226
FOUS51 KLWX 161832
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
232 PM EDT SAT MAY 16 2026
VAZ054-162000-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
232 PM EDT SAT MAY 16 2026
DATE SAT 05/16/26 SUN 05/17/26 MON 05/18/26
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 82 65 88 66 92
TEMP 81 78 71 68 65 68 77 84 86 82 73 69 66 69 81 90 91 85
DEWPT 51 55 58 60 59 62 64 63 63 65 64 63 63 65 66 64 63 64
RH 35 45 63 76 81 81 64 49 46 56 73 81 90 87 60 42 40 50
WIND DIR SW SW SW SW SW W NW W W S S S N N S S S S
WIND SPD 12 12 10 8 5 4 6 6 8 6 5 3 0 0 6 10 14 13
CLOUDS SC B2 B2 FW B1 SC B1 B1 SC B1 SC SC FW SC FW CL FW FW
POP 12HR 5 20 20 10 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S
TSTMS S
HEAT INDEX 85 87 84 83 91 92 86
MAX HEAT 81 85 87 91 92
DATE TUE 05/19/26 WED 05/20/26 THU 05/21/26 FRI 05/22/26
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 94 73 94 66 73 57 68
TEMP 73 73 92 88 77 75 92 85 73 67 70 68 61 59 65 64
DEWPT 64 64 60 60 60 61 60 65 64 57 54 52 52 51 52 52
PWIND DIR S SW SW SW NW N NE NE
WIND CHAR GN GN GN GN GN GN GN GN
AVG CLOUDS FW FW FW SC SC FW FW B1 B2 B1 B2 B2 B1 B1 B2 B2
POP 12HR 5 0 0 50 60 60 40 60
RAIN SHWRS C L C L L C C L C
TSTMS C C
MDZ013-162000-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
232 PM EDT SAT MAY 16 2026
DATE SAT 05/16/26 SUN 05/17/26 MON 05/18/26
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 83 63 88 64 92
TEMP 83 78 70 68 64 68 80 86 86 79 72 68 66 69 82 90 91 84
DEWPT 52 58 59 61 60 64 65 64 65 66 65 63 62 65 66 66 66 66
RH 34 50 68 78 87 87 60 48 50 64 79 84 87 87 58 45 44 55
WIND DIR SW S SW SW W W NW W SW S S SW N N SE S S S
WIND SPD 9 6 4 3 2 2 3 3 4 3 1 1 0 0 3 6 9 8
CLOUDS SC B1 B2 B1 SC B1 SC B1 SC B1 B1 SC SC SC FW CL FW FW
POP 12HR 5 20 10 10 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S
HEAT INDEX 82 87 88 84 93 94 86
MAX HEAT 80 82 87 89 93 95
DATE TUE 05/19/26 WED 05/20/26 THU 05/21/26 FRI 05/22/26
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 96 72 96 63 74 55 69
TEMP 72 73 94 88 77 75 94 86 72 65 71 68 59 58 67 64
DEWPT 64 65 62 64 60 61 62 68 63 56 53 53 51 50 52 53
PWIND DIR S SW SW SW NW N NE E
WIND CHAR LT LT LT LT LT LT LT GN
AVG CLOUDS FW FW FW SC SC SC FW B2 B2 B1 B2 B1 B1 B1 B2 B2
POP 12HR 10 5 5 60 60 60 40 50
RAIN SHWRS L L C L C C C C C
TSTMS C S
MDZ011-162000-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
232 PM EDT SAT MAY 16 2026
DATE SAT 05/16/26 SUN 05/17/26 MON 05/18/26
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 83 65 88 66 91
TEMP 83 78 70 68 65 68 80 86 87 82 72 69 66 69 82 89 91 84
DEWPT 50 55 58 60 61 63 64 62 62 65 65 63 62 64 65 64 64 65
RH 32 45 66 76 87 84 58 45 43 56 79 81 87 84 56 44 41 53
WIND DIR SW S SW W W W NW SW S S S N N N SE S S S
WIND SPD 9 5 3 3 2 2 2 3 3 2 1 0 0 0 3 6 9 6
CLOUDS SC B2 B2 B1 SC SC SC SC SC B1 SC SC SC SC FW CL FW FW
POP 12HR 5 20 10 10 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S
HEAT INDEX 82 86 87 84 84 90 93 86
MAX HEAT 80 81 86 87 90 93
DATE TUE 05/19/26 WED 05/20/26 THU 05/21/26 FRI 05/22/26
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 70 95 73 96 65 74 57 69
TEMP 72 74 93 89 77 76 94 85 72 65 71 69 60 59 67 65
DEWPT 63 64 60 63 60 60 60 67 62 54 50 50 49 47 48 49
PWIND DIR S SW SW SW NW N NE E
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW SC SC SC FW B2 B2 B1 B1 B1 B1 B1 B2 B2
POP 12HR 10 5 5 60 60 50 40 50
RAIN SHWRS L L C C C C C C C
TSTMS C S
WVZ052-162000-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
232 PM EDT SAT MAY 16 2026
DATE SAT 05/16/26 SUN 05/17/26 MON 05/18/26
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 83 60 87 62 93
TEMP 81 73 68 64 61 66 77 85 86 81 70 66 63 68 83 92 93 86
DEWPT 54 60 61 59 59 61 63 62 62 64 63 61 59 62 64 62 61 61
RH 39 64 78 84 93 84 62 46 45 56 78 84 87 81 53 37 35 43
WIND DIR SW SW W SW N N W W W N N N N N S S S S
WIND SPD 11 6 4 1 0 0 3 3 4 0 0 0 0 0 3 8 11 9
CLOUDS B2 B2 B1 FW SC SC SC SC B1 SC FW B1 B1 SC FW SC SC SC
POP 12HR 20 30 30 10 20
QPF 12HR 0.01 0.01 0.01 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C S C C S S S
TSTMS S S S C C S S
HEAT INDEX 81 86 86 83 84 93 93 86
MAX HEAT 82 86 86 93 94
DATE TUE 05/19/26 WED 05/20/26 THU 05/21/26 FRI 05/22/26
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 68 96 69 94 61 73 52 68
TEMP 72 73 94 89 74 75 92 83 69 62 70 68 58 56 66 65
DEWPT 60 60 58 60 60 60 61 64 59 51 48 46 46 45 48 49
PWIND DIR S SW SW W NW N NE E
WIND CHAR LT LT LT GN GN GN LT LT
AVG CLOUDS SC SC SC SC SC FW FW B2 B1 B1 B1 B1 B1 B1 B2 B1
POP 12HR 20 20 5 70 50 50 40 50
RAIN SHWRS S S L C C C C C C C C
TSTMS S C S
VAZ506-162000-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
232 PM EDT SAT MAY 16 2026
DATE SAT 05/16/26 SUN 05/17/26 MON 05/18/26
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 83 62 88 64 94
TEMP 83 78 71 67 63 67 79 86 87 82 73 68 66 69 84 92 94 88
DEWPT 54 59 61 62 61 63 65 65 65 66 64 64 63 65 67 65 64 64
RH 37 52 71 84 93 87 62 50 48 58 73 87 90 87 57 41 37 45
WIND DIR S SW SW SW SW W NW W W S S N N N S S S S
WIND SPD 11 8 4 2 1 1 3 4 3 2 1 0 0 0 3 8 10 9
CLOUDS B1 B2 B1 SC B1 SC B1 SC SC B1 SC SC SC SC FW CL FW FW
POP 12HR 10 20 20 10 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S
TSTMS S S
HEAT INDEX 88 89 84 87 94 96 89
MAX HEAT 82 88 89 94 96
DATE TUE 05/19/26 WED 05/20/26 THU 05/21/26 FRI 05/22/26
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 70 96 71 96 63 73 54 68
TEMP 74 73 94 90 78 74 93 85 72 64 70 68 60 57 66 65
DEWPT 63 64 61 60 60 61 62 67 64 57 55 53 52 51 53 54
PWIND DIR S SW SW SW NW N NE NE
WIND CHAR GN GN GN LT GN GN LT LT
AVG CLOUDS FW FW FW SC SC FW FW B2 B2 B1 B2 B1 B1 B2 B2 B2
POP 12HR 10 5 0 60 60 60 40 50
RAIN SHWRS L L C L C C C C C
TSTMS C C
VAZ037-162000-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
232 PM EDT SAT MAY 16 2026
DATE SAT 05/16/26 SUN 05/17/26 MON 05/18/26
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 83 60 90 63 93
TEMP 83 78 69 65 61 66 81 88 87 79 71 67 64 68 84 92 93 86
DEWPT 53 56 57 57 56 60 62 61 62 64 63 63 60 64 65 61 59 61
RH 36 47 66 75 84 81 53 40 43 60 76 87 87 87 53 36 32 43
WIND DIR SW SW SW SW S N SW SW W N N N N N S S S S
WIND SPD 12 9 5 3 3 0 3 4 3 0 0 0 0 0 4 9 11 8
CLOUDS B1 B2 B1 SC SC SC SC SC B1 FW SC FW SC SC CL CL CL FW
POP 12HR 5 10 30 10 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C
TSTMS S C
HEAT INDEX 82 88 87 86 92 86
MAX HEAT 80 82 88 89 92 93
DATE TUE 05/19/26 WED 05/20/26 THU 05/21/26 FRI 05/22/26
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 66 95 68 95 63 73 54 66
TEMP 71 71 95 88 74 72 93 85 72 66 71 67 60 57 64 63
DEWPT 61 62 57 57 57 60 59 64 66 61 58 54 53 51 52 53
PWIND DIR SW SW SW SW NW NE NE NE
WIND CHAR LT GN LT GN LT LT LT GN
AVG CLOUDS FW FW FW FW FW FW FW B1 B1 B1 B2 B2 B1 B1 B2 B2
POP 12HR 0 5 0 50 50 70 50 60
RAIN SHWRS C C C L L C C C L
TSTMS C C C S
MDZ003-162000-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
232 PM EDT SAT MAY 16 2026
DATE SAT 05/16/26 SUN 05/17/26 MON 05/18/26
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 81 60 86 63 92
TEMP 80 74 66 63 61 65 76 83 85 80 71 67 63 69 82 90 92 86
DEWPT 56 62 62 61 60 63 65 65 65 66 64 62 61 63 66 65 65 64
RH 44 66 87 93 97 93 69 55 51 62 79 84 93 81 58 44 41 48
WIND DIR SW SW SW SW S SW W SW W S S S S S S S S S
WIND SPD 11 6 4 2 2 2 4 4 4 2 1 1 1 1 4 6 10 6
CLOUDS B1 OV B1 SC SC B1 SC B1 SC B1 FW SC SC SC FW SC SC SC
POP 12HR 10 40 30 10 20
QPF 12HR 0 0.03 0.05 0 0.08
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S S S S S S
TSTMS S S S S S
HEAT INDEX 80 85 87 82 84 92 94 87
MAX HEAT 81 85 87 92 94
DATE TUE 05/19/26 WED 05/20/26 THU 05/21/26 FRI 05/22/26
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 68 95 69 93 60 72 52 68
TEMP 72 72 93 88 73 74 90 82 68 61 69 68 57 56 66 65
DEWPT 62 62 63 63 62 62 65 65 59 51 50 49 47 46 50 51
PWIND DIR S SW SW W NW N NE E
WIND CHAR LT LT LT GN GN GN LT LT
AVG CLOUDS SC SC SC SC SC SC FW B2 B1 B1 B1 B1 B1 B1 B2 B1
POP 12HR 20 10 5 80 40 40 30 50
RAIN SHWRS S D C C C C C C C C
TSTMS C S
MDZ017-162000-
PATUXENT RIVER NAS MD
38.29N 76.41W ELEV. 39 FT
232 PM EDT SAT MAY 16 2026
DATE SAT 05/16/26 SUN 05/17/26 MON 05/18/26
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 82 68 90 68 93
TEMP 79 73 72 71 68 72 82 87 85 78 73 71 69 74 86 91 88 80
DEWPT 54 57 55 58 57 59 62 64 64 63 62 64 64 66 67 67 66 65
RH 42 57 55 63 68 64 51 46 50 60 68 79 84 76 53 45 48 60
WIND DIR S S SW SW SW W N E SE S S S S SW S S SE S
WIND SPD 9 9 9 9 6 4 2 5 6 4 4 3 3 2 3 9 11 10
CLOUDS FW SC B1 SC SC SC B1 SC B1 SC SC SC SC SC FW FW CL CL
POP 12HR 5 20 30 20 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C
TSTMS S
HEAT INDEX 83 88 86 89 94 90 82
MAX HEAT 80 81 88 89 94 94
DATE TUE 05/19/26 WED 05/20/26 THU 05/21/26 FRI 05/22/26
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 72 97 72 98 66 73 57 70
TEMP 76 76 95 84 78 78 95 87 76 70 73 68 64 63 69 66
DEWPT 66 65 64 62 64 64 64 64 66 61 57 56 56 54 54 54
PWIND DIR S S S SW W N NE NE
WIND CHAR GN GN GN GN LT GN LT GN
AVG CLOUDS CL FW FW FW FW FW FW B1 B1 B1 B1 B2 B1 B2 B2 B2
POP 12HR 5 0 0 30 50 60 60 60
RAIN SHWRS C C C C L C L L C
TSTMS S C S S
WVZ502-162000-
PETERSBURG WV
38.99N 79.15W ELEV. 963 FT
232 PM EDT SAT MAY 16 2026
DATE SAT 05/16/26 SUN 05/17/26 MON 05/18/26
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 82 59 89 63 97
TEMP 80 73 66 63 61 64 77 84 88 83 70 66 64 69 87 94 96 89
DEWPT 57 59 58 58 57 60 62 61 60 62 60 58 57 59 60 59 58 60
RH 45 62 75 84 87 87 60 46 39 49 71 75 78 70 40 31 28 38
WIND DIR W E E SE SE SE W W NW SE SW SW SW SW SW S SW S
WIND SPD 10 5 4 3 2 1 2 3 3 1 1 2 2 1 1 3 8 4
WIND GUST 16
CLOUDS B2 B2 B2 B1 B1 B1 B1 B1 SC FW FW SC SC SC FW FW FW SC
POP 12HR 20 20 40 5 20
QPF 12HR 0.02 0.02 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S C S S S S
TSTMS S C S S S S
HEAT INDEX 80 84 88 84 87 89
MAX HEAT 80 82 84 89 93 95
DATE TUE 05/19/26 WED 05/20/26 THU 05/21/26 FRI 05/22/26
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 67 96 68 92 60 75 52 71
TEMP 71 72 94 90 72 73 89 84 69 62 72 70 59 55 67 67
DEWPT 58 58 59 60 58 59 62 63 61 55 54 50 49 48 52 52
PWIND DIR SW SW SW W NW N NE E
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC SC SC SC B2 B1 B2 B2 B2 B1 B2 B2 B2
POP 12HR 20 10 0 70 60 60 40 60
RAIN SHWRS S S L C L L L C C L L
TSTMS S S C S
MDZ014-162000-
ANNAPOLIS MD
38.99N 76.49W ELEV. 7 FT
232 PM EDT SAT MAY 16 2026
DATE SAT 05/16/26 SUN 05/17/26 MON 05/18/26
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 80 65 84 65 87
TEMP 79 73 69 68 66 69 81 84 83 76 71 69 67 70 83 87 85 78
DEWPT 55 57 59 60 60 62 64 63 63 64 64 63 63 64 65 64 64 64
RH 44 57 70 76 81 78 56 49 51 66 79 81 87 81 55 46 50 62
WIND DIR S S SW SW W W N SE S S N N N N S S S S
WIND SPD 10 10 6 4 3 2 0 5 5 4 0 0 0 0 3 8 11 11
CLOUDS FW B1 B2 SC SC SC SC SC SC B1 SC SC SC FW FW CL FW FW
POP 12HR 5 20 10 10 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S
HEAT INDEX 83 85 84 85 88 86
MAX HEAT 80 85 85 88 88
DATE TUE 05/19/26 WED 05/20/26 THU 05/21/26 FRI 05/22/26
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 90 72 93 64 73 57 70
TEMP 72 74 90 81 77 75 91 82 73 67 71 67 62 60 67 65
DEWPT 64 64 63 63 62 62 62 66 64 57 53 54 53 51 51 52
PWIND DIR S S S SW NW N NE NE
WIND CHAR GN GN LT LT LT LT LT GN
AVG CLOUDS FW FW FW FW SC FW FW B1 B2 B1 B2 B2 B1 B1 B2 B2
POP 12HR 5 0 0 50 60 60 40 60
RAIN SHWRS C L C L L C C L C
TSTMS S C
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