175
FOUS51 KLWX 151501
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1101 AM EDT WED JUL 15 2026
VAZ054-152000-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
1101 AM EDT WED JUL 15 2026
DATE WED 07/15/26 THU 07/16/26 FRI 07/17/26
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 102 81 101 79 96
TEMP 95 99 96 86 83 81 82 91 96 98 95 85 82 79 80 86 93 95 89
DEWPT 67 65 67 70 70 70 71 69 67 67 66 66 63 60 60 58 58 58 59
RH 40 33 39 59 65 69 69 49 39 37 39 53 53 52 51 39 31 29 37
WIND DIR W W SW SW W N N NW W W W NW N N N NE NE E SE
WIND SPD 10 11 10 9 6 6 5 4 9 11 11 9 9 9 8 6 4 8 12
CLOUDS SC SC SC SC SC SC SC B1 SC SC SC SC SC FW FW SC SC SC SC
POP 12HR 0 0 10 10 10
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S
TSTMS S
HEAT INDEX 99102100 91 87 85 86 96100103 98 87 83 81
MAX HEAT 99 105 95 86 100 104 94 82 92 94
DATE SAT 07/18/26 SUN 07/19/26 MON 07/20/26 TUE 07/21/26
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 77 92 74 91 73 91 75 90
TEMP 79 79 88 84 76 76 87 84 75 75 88 86 77 76 87 84
DEWPT 67 70 72 72 74 73 71 68 68 68 66 66 71 71 70 69
PWIND DIR SE SW W NW E S S SW
WIND CHAR GN GN GN GN GN GN GN BZ
AVG CLOUDS B1 B1 B2 OV B2 B1 SC B1 SC SC FW SC SC SC SC B1
POP 12HR 40 80 60 40 20 20 20 50
RAIN SHWRS S C C D L S S C S S S S C
TSTMS S S S C C C S S S C
MDZ013-152000-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
1101 AM EDT WED JUL 15 2026
DATE WED 07/15/26 THU 07/16/26 FRI 07/17/26
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 102 79 101 76 95
TEMP 98101 97 85 83 80 81 93 99101 95 85 79 76 78 87 93 94 88
DEWPT 69 66 67 70 70 70 71 68 67 68 70 67 63 61 62 61 61 62 63
RH 39 32 38 61 65 72 72 44 36 35 45 55 58 60 58 42 35 35 43
WIND DIR W W W W NW N N SW W W W NW N N N NE E E SE
WIND SPD 8 9 5 4 3 2 1 2 6 6 4 4 4 3 3 3 4 6 4
CLOUDS FW FW SC SC SC SC SC SC SC SC SC FW FW FW SC SC SC SC SC
POP 12HR 0 0 10 10 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
OBVIS K K K K
HEAT INDEX 104106101 90 87 83 85 97104107102 88 87 93 95 89
MAX HEAT 104 107 95 86 104 107 94 93 95
HEAT Y Y
DATE SAT 07/18/26 SUN 07/19/26 MON 07/20/26 TUE 07/21/26
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 74 91 72 91 70 90 73 92
TEMP 76 76 89 83 75 75 88 84 73 73 88 84 76 76 90 84
DEWPT 67 71 75 76 74 74 73 71 68 69 68 70 71 73 73 72
PWIND DIR SE S W NW N S S SW
WIND CHAR LT LT LT GN LT LT LT GN
AVG CLOUDS B1 B2 B2 OV B2 B1 SC B1 SC SC SC SC SC SC B1 B1
POP 12HR 40 80 60 30 10 10 20 40
RAIN SHWRS C L D L S C S S S C
TSTMS C C L C S C S C
MDZ011-152000-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
1101 AM EDT WED JUL 15 2026
DATE WED 07/15/26 THU 07/16/26 FRI 07/17/26
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 103 79 101 77 96
TEMP 97101 98 86 84 80 81 93 98100 96 85 80 77 79 88 94 95 90
DEWPT 69 67 66 69 70 70 70 67 66 67 69 64 60 59 59 57 56 57 58
RH 40 33 35 57 63 72 69 43 35 34 42 50 51 54 50 35 28 28 34
WIND DIR W W W NW NW N N SW W W W NW N N N NE E E SE
WIND SPD 8 9 5 4 3 2 1 2 6 8 4 4 3 3 3 3 3 5 4
CLOUDS FW FW SC SC SC SC B1 SC SC B1 SC FW FW FW SC SC SC SC SC
POP 12HR 0 0 10 5 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
OBVIS K K K K
HEAT INDEX 103106102 90 88 83 85 97102105102 86 81
MAX HEAT 103 107 95 86 102 105 94 92 94
HEAT Y Y
DATE SAT 07/18/26 SUN 07/19/26 MON 07/20/26 TUE 07/21/26
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 77 91 75 92 72 90 75 91
TEMP 79 78 89 83 75 77 89 85 75 74 87 85 76 77 89 84
DEWPT 65 68 72 73 74 72 70 68 67 66 65 67 71 70 70 69
PWIND DIR SE S W NW N S S SW
WIND CHAR LT LT LT LT LT LT LT GN
AVG CLOUDS B1 B2 B2 OV B2 B2 SC B1 SC SC SC SC SC SC B1 B1
POP 12HR 50 80 60 30 10 20 20 50
RAIN SHWRS C L D L S C S S S S C
TSTMS C C L C S C S S C
WVZ052-152000-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
1101 AM EDT WED JUL 15 2026
DATE WED 07/15/26 THU 07/16/26 FRI 07/17/26
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 100 74 98 70 93
TEMP 97 99 90 81 79 75 79 90 96 97 89 80 74 70 74 85 91 93 86
DEWPT 66 65 67 69 69 69 70 69 68 67 65 63 60 59 61 58 58 58 61
RH 36 33 47 67 72 82 74 50 40 38 45 56 62 68 64 40 33 31 43
WIND DIR W W W W NW N N W W W NW NW NW NW N N N E SE
WIND SPD 8 9 6 5 3 0 0 5 8 10 8 6 5 3 0 0 0 3 3
CLOUDS FW FW SC SC SC SC B1 SC B2 SC FW FW FW FW SC SC SC SC B1
POP 12HR 0 0 0 5 20
QPF 12HR 0 0 0 0 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S C
TSTMS S C
HEAT INDEX 101102 93 84 95101101 91 81 86
MAX HEAT 101 104 90 101 103 87 90 92
HEAT Y Y
DATE SAT 07/18/26 SUN 07/19/26 MON 07/20/26 TUE 07/21/26
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 71 87 70 88 67 89 69 89
TEMP 74 74 84 81 73 73 86 82 70 71 87 83 73 73 87 83
DEWPT 65 68 72 73 72 71 69 66 65 65 64 65 67 69 69 67
PWIND DIR S SW W NW NW SW SW SW
WIND CHAR LT LT LT GN LT LT LT GN
AVG CLOUDS B1 B2 B2 B2 B1 B1 SC SC SC SC SC SC SC SC B1 B1
POP 12HR 60 80 50 30 10 10 30 50
RAIN SHWRS C L L D C S S C S C C C
TSTMS C C C C C S S C S S C
VAZ506-152000-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
1101 AM EDT WED JUL 15 2026
DATE WED 07/15/26 THU 07/16/26 FRI 07/17/26
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 100 77 100 74 95
TEMP 97100 94 83 80 77 80 91 98 99 91 84 79 74 76 86 93 94 89
DEWPT 68 67 70 70 69 69 72 72 70 67 70 67 63 61 62 62 61 62 63
RH 39 34 46 65 69 76 77 54 41 36 50 57 58 64 62 45 35 35 42
WIND DIR W W W W NW NW N NW W W W NW N N N N N N SE
WIND SPD 8 8 4 3 3 2 2 3 6 8 6 4 4 3 3 3 3 3 3
CLOUDS FW FW FW FW SC SC SC B1 SC SC SC SC FW FW FW SC SC SC B1
POP 12HR 0 0 10 10 20
QPF 12HR 0 0 0 0 0.04
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S C
TSTMS S C
HEAT INDEX 102105100 87 83 84 99105104 97 87 86 93 95 90
MAX HEAT 102 105 93 84 105 106 93 93 95
HEAT Y Y
DATE SAT 07/18/26 SUN 07/19/26 MON 07/20/26 TUE 07/21/26
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 73 90 71 89 69 90 71 91
TEMP 76 76 87 82 74 74 87 83 73 72 88 85 75 74 89 84
DEWPT 66 70 76 76 74 73 74 71 68 68 69 69 70 72 73 72
PWIND DIR S SW W NW NE S S SW
WIND CHAR LT LT LT GN LT LT LT GN
AVG CLOUDS B1 B2 B2 B2 B2 B2 SC B1 SC SC SC SC SC SC B1 B1
POP 12HR 50 80 60 40 20 10 20 50
RAIN SHWRS C C L D L S C S S S S C
TSTMS C S C C C C S S C
VAZ037-152000-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
1101 AM EDT WED JUL 15 2026
DATE WED 07/15/26 THU 07/16/26 FRI 07/17/26
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 99 74 100 75 95
TEMP 97 98 90 81 76 74 77 93 98 98 91 83 78 75 77 88 93 95 89
DEWPT 64 64 68 68 67 67 68 70 67 67 70 69 69 66 64 60 60 60 64
RH 34 33 49 65 74 79 74 47 37 37 50 63 74 74 64 39 33 31 44
WIND DIR S S S W N N N N S S SW NW N N N NE E SE E
WIND SPD 3 5 6 4 0 0 0 0 3 4 3 2 3 5 5 5 4 4 3
CLOUDS FW FW FW SC SC FW SC SC SC FW SC SC SC FW FW FW FW SC B1
POP 12HR 0 0 0 5 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C
TSTMS C
HEAT INDEX 99101 94 84 99103103 97 87 88 93 95 90
MAX HEAT 99 102 89 104 105 94 93 95
DATE SAT 07/18/26 SUN 07/19/26 MON 07/20/26 TUE 07/21/26
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 73 92 72 92 70 91 71 92
TEMP 76 75 90 84 75 74 89 85 73 72 89 86 74 74 90 86
DEWPT 68 70 70 71 72 72 69 68 68 67 65 65 68 69 69 68
PWIND DIR NE SW SW W NW SW SW SW
WIND CHAR LT LT LT LT LT LT LT GN
AVG CLOUDS B1 B1 B1 B2 B1 B1 B1 B1 SC SC SC SC SC SC B1 B1
POP 12HR 40 70 30 40 20 10 10 40
RAIN SHWRS C S S L C C S C
TSTMS C C C C S C
MDZ003-152000-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
1101 AM EDT WED JUL 15 2026
DATE WED 07/15/26 THU 07/16/26 FRI 07/17/26
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 100 74 98 70 93
TEMP 96100 93 82 79 75 78 89 96 97 89 81 75 70 74 84 90 92 87
DEWPT 67 65 68 70 69 69 69 69 69 67 65 62 59 58 61 59 59 59 62
RH 39 32 44 67 72 82 74 52 42 38 45 53 58 66 64 43 35 33 43
WIND DIR W W W NW NW NW N W W W NW N N N N N W E E
WIND SPD 8 10 6 4 2 1 1 4 9 11 8 6 4 3 2 2 3 4 3
CLOUDS FW FW SC B1 SC SC SC SC SC B1 FW FW FW FW SC SC SC SC B1
POP 12HR 0 0 5 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C
TSTMS C
OBVIS K K K K
HEAT INDEX 100104 97 86 94102101 91 82 84 87
MAX HEAT 100 104 91 102 104 87 89 91
HEAT Y Y
DATE SAT 07/18/26 SUN 07/19/26 MON 07/20/26 TUE 07/21/26
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 71 87 69 87 66 89 69 89
TEMP 75 74 84 81 73 72 85 82 70 71 86 83 73 73 86 82
DEWPT 63 68 73 73 72 71 70 67 65 65 66 67 68 69 70 69
PWIND DIR SE SW W NW E SW S SW
WIND CHAR LT LT LT GN LT LT LT GN
AVG CLOUDS B1 B2 B2 B2 B2 B2 SC SC SC SC SC SC B1 B1 B1 B1
POP 12HR 50 80 60 20 10 20 30 50
RAIN SHWRS C C L D L S S S S C C C C
TSTMS C C C C C S S S S S C
MDZ017-152000-
PATUXENT RIVER NAS MD
38.29N 76.41W ELEV. 39 FT
1101 AM EDT WED JUL 15 2026
DATE WED 07/15/26 THU 07/16/26 FRI 07/17/26
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 103 81 101 80 97
TEMP 99102 95 86 84 81 85 93 97100 93 85 82 80 83 90 95 96 89
DEWPT 70 68 70 71 70 70 73 73 71 71 72 71 70 68 67 65 64 62 65
RH 39 34 45 61 63 69 67 52 43 40 51 63 67 67 59 44 36 33 45
WIND DIR SW W SW SW W NW N N S S S SW N N NE NE NE E SE
WIND SPD 5 9 8 8 8 5 3 2 5 8 6 4 5 8 6 6 4 5 6
CLOUDS FW SC FW SC SC FW FW SC SC FW SC SC SC SC FW SC FW FW SC
POP 12HR 0 0 0 10 5
QPF 12HR 0 0 0 0.16 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 107109102 91 88 85 92102105109101 90 86 83 86 92 97 97 91
MAX HEAT 107 109 95 92 105 109 97 86 97 98
HEAT Y Y
DATE SAT 07/18/26 SUN 07/19/26 MON 07/20/26 TUE 07/21/26
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 78 96 76 89 75 89 77 90
TEMP 80 83 93 84 78 78 85 82 76 78 85 83 78 80 87 82
DEWPT 72 75 75 75 74 75 74 72 72 71 69 69 73 73 72 73
PWIND DIR SE S W NW S SE S SW
WIND CHAR LT GN GN LT LT LT LT GN
AVG CLOUDS SC B1 B1 B2 B2 B1 SC B1 B1 SC FW FW SC SC SC B1
POP 12HR 20 70 60 50 30 10 10 50
RAIN SHWRS S C L L S S C C C
TSTMS S C C S C C C
WVZ502-152000-
PETERSBURG WV
38.99N 79.15W ELEV. 963 FT
1101 AM EDT WED JUL 15 2026
DATE WED 07/15/26 THU 07/16/26 FRI 07/17/26
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 99 69 98 68 95
TEMP 96 97 86 75 72 70 73 90 96 96 86 76 71 68 71 85 92 93 84
DEWPT 65 65 70 68 67 67 68 70 67 67 69 69 66 64 65 64 64 65 68
RH 36 35 59 79 84 90 84 52 39 39 57 79 84 87 81 50 40 40 59
WIND DIR W NW W S S S SW W W W W W NW N N N E SE SW
WIND SPD 3 4 3 2 2 1 1 1 4 5 3 2 1 0 0 0 2 3 2
CLOUDS FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B2
POP 12HR 0 0 0 5 30
QPF 12HR 0 0 0 0 0.06
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C L
TSTMS C C C
OBVIS PF PF PF
HEAT INDEX 99100 91 96100100 90 86 94 95 87
MAX HEAT 99 102 85 100 101 85 94 96
HEAT Y Y
DATE SAT 07/18/26 SUN 07/19/26 MON 07/20/26 TUE 07/21/26
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 69 88 67 88 64 90 66 89
TEMP 71 71 84 80 71 70 86 80 67 67 88 82 70 69 86 80
DEWPT 67 69 75 72 69 70 71 69 65 66 66 68 66 67 70 69
PWIND DIR SW W W W W W SW W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B2 B2 B2 B2 B1 B2 B1 B1 SC SC SC SC SC B1 B2 B1
POP 12HR 60 80 50 30 10 20 30 50
RAIN SHWRS L C L D C C S C S C C C
TSTMS C C C C S S C S S C
MDZ014-152000-
ANNAPOLIS MD
38.99N 76.49W ELEV. 7 FT
1101 AM EDT WED JUL 15 2026
DATE WED 07/15/26 THU 07/16/26 FRI 07/17/26
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 102 81 99 79 93
TEMP 99102 96 86 84 82 83 93 98 99 94 85 82 79 81 89 93 93 89
DEWPT 69 67 69 71 71 72 71 70 69 70 69 71 68 65 64 62 62 62 64
RH 38 32 42 61 65 72 67 47 39 39 44 63 63 62 56 41 36 36 44
WIND DIR W W SW W NW N N N S SW SW W N N N NE NE E SE
WIND SPD 9 9 6 5 3 0 0 0 6 8 4 3 5 5 5 6 5 5 4
CLOUDS SC FW FW FW SC SC SC B1 SC SC B1 SC FW FW FW SC SC SC SC
POP 12HR 0 0 10 10 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
OBVIS K K K K K
HEAT INDEX 106108102 91 89 87 88 99104107 99 90 85 83 89 94 94 90
MAX HEAT 106 108 96 88 104 107 95 83 94 94
HEAT Y Y
DATE SAT 07/18/26 SUN 07/19/26 MON 07/20/26 TUE 07/21/26
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 77 90 74 92 74 91 75 91
TEMP 79 80 90 85 77 78 90 85 76 77 89 86 78 79 90 84
DEWPT 71 72 76 77 75 74 75 73 71 70 70 71 73 73 75 74
PWIND DIR SE S W NW NE S S SW
WIND CHAR LT GN LT LT LT LT LT GN
AVG CLOUDS SC B2 B2 OV B2 B1 SC B1 SC FW SC SC SC SC B1 B1
POP 12HR 40 80 70 30 10 10 20 40
RAIN SHWRS C L D L S S C S C
TSTMS C C C C S S C S C
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