251
FOUS51 KLWX 250902
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
502 AM EDT SAT JUL 25 2026
VAZ054-252000-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
502 AM EDT SAT JUL 25 2026
DATE SAT 07/25/26 SUN 07/26/26 MON 07/27/26
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 84 67 87 70 90
TEMP 70 76 82 84 79 73 69 67 72 81 86 87 82 75 73 70 76 85 90 88 82
DEWPT 62 59 58 57 57 61 63 63 63 59 58 58 57 60 63 65 66 65 65 66 66
RH 76 56 44 40 47 66 81 87 73 47 39 38 43 60 71 84 71 51 44 48 58
WIND DIR E E E SE SE SE E E E E E E SE S S SW S S S S S
WIND SPD 5 6 5 8 8 5 3 3 3 3 4 8 9 8 8 6 4 5 8 11 11
CLOUDS B1 SC FW FW FW FW SC FW SC FW SC FW SC SC SC SC SC SC B1 B1 B1
POP 12HR 20 5 5 20 50
QPF 12HR 0 0 0 0 0.06
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S C C C
TSTMS S S C C C
HEAT INDEX 82 81 82 87 92 90 84
MAX HEAT 82 83 85 86 92 92
DATE TUE 07/28/26 WED 07/29/26 THU 07/30/26 FRI 07/31/26
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 89 71 88 70 87 71 90
TEMP 73 75 87 82 74 74 85 83 73 71 84 83 73 73 87 84
DEWPT 70 71 72 70 70 69 66 63 64 63 62 60 63 64 61 62
PWIND DIR S SW NW NW NW NW NW N
WIND CHAR GN GN GN BZ GN GN LT GN
AVG CLOUDS B2 B2 B2 B2 B1 SC SC SC SC FW SC FW FW SC SC FW
POP 12HR 50 70 40 20 10 20 10 20
RAIN SHWRS C C C L C S S S
TSTMS C C C S S
MDZ013-252000-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
502 AM EDT SAT JUL 25 2026
DATE SAT 07/25/26 SUN 07/26/26 MON 07/27/26
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 86 68 89
TEMP 70 78 82 83 78 71 67 65 69 78 84 86 81 74 71 68 72 84 89 82 79
DEWPT 64 60 57 57 60 63 64 64 64 59 58 58 60 61 63 64 67 68 68 69 70
RH 81 54 43 41 54 76 90 97 84 52 41 39 49 64 76 87 84 59 50 65 74
WIND DIR NE E E E E SE E NE E E E SE SE S SW SW S S S S S
WIND SPD 3 5 5 4 3 3 1 1 2 3 4 5 3 3 3 2 2 3 6 9 6
CLOUDS SC FW FW CL FW FW FW SC SC FW FW FW SC SC SC SC SC SC B1 B1 B2
POP 12HR 5 0 0 20 50
QPF 12HR 0 0 0 0 0.05
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S C C L
TSTMS S S C C C
HEAT INDEX 82 84 82 87 93 85
MAX HEAT 82 83 84 85 93 91
DATE TUE 07/28/26 WED 07/29/26 THU 07/30/26 FRI 07/31/26
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 88 69 87 67 86 68 89
TEMP 71 72 87 81 72 71 85 81 71 70 85 81 71 71 87 83
DEWPT 70 72 75 73 70 70 69 67 65 65 65 65 65 66 65 66
PWIND DIR S SW NW NW NW NW NW N
WIND CHAR LT GN LT GN LT LT LT LT
AVG CLOUDS B2 B2 B2 B2 B1 SC SC SC SC FW FW FW FW SC SC FW
POP 12HR 60 80 40 20 10 20 20 10
RAIN SHWRS L L L D C S S S
TSTMS C S C C S S
MDZ011-252000-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
502 AM EDT SAT JUL 25 2026
DATE SAT 07/25/26 SUN 07/26/26 MON 07/27/26
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 84 66 87 70 90
TEMP 69 78 83 84 79 72 68 66 70 79 85 87 82 76 74 70 75 85 90 84 83
DEWPT 59 55 51 52 54 60 62 61 60 54 52 53 54 58 60 63 64 64 64 65 67
RH 70 45 33 33 42 66 81 84 71 42 32 31 38 54 62 78 69 50 42 53 59
WIND DIR NE E E SE SE SE N NE E E E SE SE S SW SW S S S S S
WIND SPD 3 4 5 4 2 2 0 1 1 2 4 5 3 2 2 1 1 3 6 9 6
CLOUDS SC FW FW FW FW FW FW FW SC FW FW FW SC SC SC SC SC SC B1 B1 B2
POP 12HR 5 0 0 10 50
QPF 12HR 0 0 0 0 0.07
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C L
TSTMS C C C
HEAT INDEX 86 91 86 86
MAX HEAT 82 82 83 85 80 91 89
DATE TUE 07/28/26 WED 07/29/26 THU 07/30/26 FRI 07/31/26
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 89 71 87 70 86 70 89
TEMP 74 75 87 82 73 73 85 82 72 71 85 82 72 72 87 83
DEWPT 69 70 71 70 70 67 65 63 63 62 60 61 63 63 61 62
PWIND DIR S SW NW NW NW NW NW NW
WIND CHAR LT GN LT GN LT LT LT LT
AVG CLOUDS B2 B2 B2 OV B1 SC SC SC SC FW FW FW SC SC SC FW
POP 12HR 60 80 40 20 10 20 20 10
RAIN SHWRS L L L D C S S S
TSTMS C S L C S S
WVZ052-252000-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
502 AM EDT SAT JUL 25 2026
DATE SAT 07/25/26 SUN 07/26/26 MON 07/27/26
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 63 85 64 88
TEMP 65 73 80 81 76 67 65 63 67 78 84 84 78 70 67 64 68 81 88 86 81
DEWPT 59 57 56 56 58 59 60 61 62 63 63 62 64 65 65 64 66 66 66 66 68
RH 81 57 44 42 54 75 84 93 84 60 49 48 62 84 93100 93 60 48 51 65
WIND DIR SE SE SE SE SE N N N N N N N N N N N N SW SW SW S
WIND SPD 2 4 4 4 3 0 0 0 0 0 0 0 0 0 0 0 0 3 5 5 3
CLOUDS B1 SC SC SC SC B1 B1 SC SC FW SC SC B1 B1 SC SC SC SC B1 B1 B1
POP 12HR 5 5 30 30 40
QPF 12HR 0 0 0.04 0.02 0.03
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C C C C
TSTMS S C C C C
HEAT INDEX 80 81 85 85 83 90 88 84
MAX HEAT 80 81 85 86 90 90
DATE TUE 07/28/26 WED 07/29/26 THU 07/30/26 FRI 07/31/26
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 85 65 84 62 84 63 87
TEMP 68 71 83 79 69 69 82 78 67 67 82 79 67 68 85 81
DEWPT 68 70 71 70 67 66 64 62 62 62 60 60 62 63 61 62
PWIND DIR S W NW NW NW NW NW NW
WIND CHAR LT GN GN GN LT LT LT LT
AVG CLOUDS B2 B2 B2 B2 SC SC FW SC FW FW FW SC FW SC FW SC
POP 12HR 80 70 20 20 10 20 10 20
RAIN SHWRS C D L L S S S S
TSTMS C S S C S S S S
VAZ506-252000-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
502 AM EDT SAT JUL 25 2026
DATE SAT 07/25/26 SUN 07/26/26 MON 07/27/26
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 64 86 66 89
TEMP 69 76 81 83 79 70 67 64 69 79 86 85 80 73 69 66 71 83 89 87 79
DEWPT 64 62 61 62 62 63 63 63 65 65 65 65 66 66 66 66 68 70 70 70 70
RH 84 62 51 49 56 78 87 97 87 62 50 51 62 79 90100 90 65 54 57 74
WIND DIR E SE SE S SE SE N N N E E N S S SW S SW SW SW S S
WIND SPD 2 3 3 3 3 2 0 0 0 1 3 3 3 2 2 2 1 3 5 6 5
CLOUDS B1 SC FW FW FW FW SC FW FW FW FW B1 B1 B1 SC SC SC SC B1 B1 B1
POP 12HR 20 5 20 30 40
QPF 12HR 0 0 0 0 0.03
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S C C C C C
TSTMS S C S C C C
HEAT INDEX 82 84 88 87 82 87 94 92
MAX HEAT 82 84 88 88 94 94
DATE TUE 07/28/26 WED 07/29/26 THU 07/30/26 FRI 07/31/26
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 88 67 86 66 85 66 88
TEMP 70 72 86 81 71 71 84 80 70 69 83 80 70 70 86 82
DEWPT 70 72 76 74 70 69 69 67 65 65 65 64 64 65 65 65
PWIND DIR S SW NW NW NW NW NW NW
WIND CHAR LT GN GN GN LT GN LT LT
AVG CLOUDS B1 B2 B2 B2 B1 SC SC SC SC SC FW FW FW FW FW SC
POP 12HR 60 70 40 20 10 20 10 20
RAIN SHWRS C L C L C S S S
TSTMS C C C S S
VAZ037-252000-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
502 AM EDT SAT JUL 25 2026
DATE SAT 07/25/26 SUN 07/26/26 MON 07/27/26
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 79 65 86 66 89
TEMP 66 71 77 79 76 69 67 65 69 79 84 85 78 72 68 66 70 83 88 88 80
DEWPT 62 62 62 63 63 65 65 64 65 65 63 63 66 67 67 66 66 66 65 66 68
RH 87 73 60 58 64 87 93 97 87 62 49 48 67 84 97100 87 57 47 48 67
WIND DIR N N S S N N N N N N E E N N N N N N S S S
WIND SPD 0 0 2 2 0 0 0 0 0 0 2 2 0 0 0 0 0 0 4 5 4
CLOUDS B1 SC SC SC SC SC SC FW FW FW SC SC B1 B1 SC SC SC SC SC B1 B1
POP 12HR 30 5 20 30 20
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C S S C
TSTMS C S S S S
OBVIS PF PF
HEAT INDEX 85 86 85 90 90 83
MAX HEAT 85 87 90 91
DATE TUE 07/28/26 WED 07/29/26 THU 07/30/26 FRI 07/31/26
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 89 67 86 65 86 66 89
TEMP 69 71 88 82 71 70 85 80 68 68 85 80 69 69 87 81
DEWPT 69 69 71 71 69 67 63 62 63 62 60 61 62 63 61 63
PWIND DIR SW SW NW NW NW NW N E
WIND CHAR LT GN LT GN LT LT LT LT
AVG CLOUDS B1 B1 B1 B2 B1 SC FW SC FW FW FW FW FW FW FW SC
POP 12HR 40 70 30 20 10 10 10 20
RAIN SHWRS C C C L C S S
TSTMS S S C S S
MDZ003-252000-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
502 AM EDT SAT JUL 25 2026
DATE SAT 07/25/26 SUN 07/26/26 MON 07/27/26
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 85 65 88
TEMP 66 74 81 83 78 69 66 63 67 77 84 84 80 73 70 65 70 80 88 85 82
DEWPT 60 58 57 57 59 59 59 59 62 64 64 64 66 66 66 65 67 68 68 68 69
RH 81 57 44 41 52 70 78 87 84 64 51 51 62 79 87100 90 67 52 57 65
WIND DIR SE SE S SE SE SE SE NE N SW SW SW S S S S S SW SW S S
WIND SPD 3 3 3 4 3 2 2 1 0 2 3 3 2 1 1 1 1 3 4 5 3
CLOUDS SC FW FW FW SC B1 SC SC SC FW SC B1 B1 SC SC SC SC SC B1 B1 B1
POP 12HR 0 5 30 30 40
QPF 12HR 0 0 0.04 0.04 0.03
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C C C C
TSTMS S C C C C
HEAT INDEX 81 85 85 82 83 92 88 85
MAX HEAT 81 82 85 86 92 92
DATE TUE 07/28/26 WED 07/29/26 THU 07/30/26 FRI 07/31/26
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 85 65 83 63 83 63 87
TEMP 69 70 83 78 69 69 81 78 67 67 82 78 67 68 85 81
DEWPT 68 70 73 71 68 67 66 64 63 63 63 63 62 63 63 64
PWIND DIR S W NW NW NW NW NW NW
WIND CHAR LT GN LT GN LT LT LT LT
AVG CLOUDS B2 B2 B2 B2 SC SC FW SC SC FW FW SC FW FW FW SC
POP 12HR 80 70 20 20 10 20 10 20
RAIN SHWRS C D L L S S S S
TSTMS C S S C S S S S
MDZ017-252000-
PATUXENT RIVER NAS MD
38.29N 76.41W ELEV. 39 FT
502 AM EDT SAT JUL 25 2026
DATE SAT 07/25/26 SUN 07/26/26 MON 07/27/26
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 68 83 70 85
TEMP 72 76 80 81 78 71 70 68 71 77 82 82 78 75 70 72 73 81 85 80 78
DEWPT 65 63 62 61 63 65 65 65 65 61 57 56 59 63 66 66 68 68 68 68 69
RH 79 64 54 51 60 81 84 90 81 58 43 41 52 66 87 81 84 65 57 67 74
WIND DIR NE NE NE E E E E NE NE NE N N SE S S SW SW S S S S
WIND SPD 5 5 3 3 3 4 3 3 4 5 4 4 4 5 4 4 3 4 8 11 9
CLOUDS B1 SC FW FW FW FW FW FW FW FW CL FW SC FW FW SC SC SC B1 B1 B1
POP 12HR 20 5 0 10 30
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C C
TSTMS C C C
HEAT INDEX 81 82 82 82 84 88 83
MAX HEAT 81 82 82 82 88 87
DATE TUE 07/28/26 WED 07/29/26 THU 07/30/26 FRI 07/31/26
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 91 72 85 71 84 72 85
TEMP 74 76 89 81 75 74 82 80 74 74 81 79 74 75 83 79
DEWPT 70 72 74 73 72 71 69 68 67 67 65 65 67 68 66 67
PWIND DIR S SW W NW NW NW NW NE
WIND CHAR GN GN GN GN LT LT LT LT
AVG CLOUDS B1 B1 B1 B2 B2 SC SC SC SC FW FW FW FW SC FW FW
POP 12HR 30 80 60 20 10 10 10 10
RAIN SHWRS C C C D L S
TSTMS C S C C
WVZ502-252000-
PETERSBURG WV
38.99N 79.15W ELEV. 963 FT
502 AM EDT SAT JUL 25 2026
DATE SAT 07/25/26 SUN 07/26/26 MON 07/27/26
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 59 86 61 88
TEMP 64 72 79 81 74 65 62 59 63 78 85 85 77 67 64 61 67 79 88 85 81
DEWPT 62 66 68 68 68 65 62 59 63 66 65 65 67 65 63 61 65 68 69 68 69
RH 93 81 69 65 82100100100100 67 51 51 71 93 97100 93 69 54 57 67
WIND DIR N SE S SE E SW SW SW N N N NW N W W SW SW W W W SW
WIND SPD 0 1 2 2 1 1 1 1 0 0 2 4 2 1 1 1 1 1 3 4 2
CLOUDS B1 B1 B1 B1 SC SC SC B1 SC FW SC SC SC SC SC SC B1 SC SC B1 B1
POP 12HR 50 20 10 10 20
QPF 12HR 0.03 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S S C S S S C
TSTMS S S S S C
OBVIS PF PF PF
HEAT INDEX 84 87 87 92 88 84
MAX HEAT 84 87 88 92 92
DATE TUE 07/28/26 WED 07/29/26 THU 07/30/26 FRI 07/31/26
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 86 63 82 58 83 59 86
TEMP 68 67 85 78 67 65 80 75 63 62 81 75 62 64 84 78
DEWPT 66 67 74 70 66 65 66 64 62 62 63 64 61 63 65 66
PWIND DIR SW W NW NW W NW W NW
WIND CHAR LT GN LT LT LT LT LT LT
AVG CLOUDS B1 B2 B2 B2 SC B1 B1 SC FW SC FW SC FW SC SC SC
POP 12HR 70 70 20 20 10 20 10 20
RAIN SHWRS C L L L S S S S
TSTMS C S C C S S S S
MDZ014-252000-
ANNAPOLIS MD
38.99N 76.49W ELEV. 7 FT
502 AM EDT SAT JUL 25 2026
DATE SAT 07/25/26 SUN 07/26/26 MON 07/27/26
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 68 85 71 86
TEMP 71 77 82 83 78 72 70 68 70 77 84 84 82 76 74 71 75 82 86 79 81
DEWPT 63 60 57 57 60 64 64 64 63 58 55 55 59 63 64 65 66 67 68 68 69
RH 76 56 43 41 54 76 81 87 78 52 37 37 46 64 71 81 74 61 55 69 67
WIND DIR E E E E E SE N N E NE NE E N S SW SW S S S S S
WIND SPD 5 6 5 4 3 4 0 0 3 5 5 4 0 5 4 3 3 5 10 12 9
CLOUDS SC SC FW FW CL FW FW FW FW SC FW FW SC FW SC SC SC SC B1 B1 B2
POP 12HR 10 0 0 10 50
QPF 12HR 0 0 0 0 0.07
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C L
TSTMS C C C
HEAT INDEX 82 82 85 89 84
MAX HEAT 82 83 83 84 81 89 87
DATE TUE 07/28/26 WED 07/29/26 THU 07/30/26 FRI 07/31/26
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 87 71 87 70 86 71 88
TEMP 74 75 87 82 74 74 86 82 74 73 85 82 73 74 87 83
DEWPT 71 72 74 74 72 70 70 69 67 66 66 67 67 67 67 68
PWIND DIR S SW NW NW NW NW N NE
WIND CHAR LT GN LT GN LT LT LT LT
AVG CLOUDS B2 B2 B2 B2 B1 SC SC SC SC FW FW SC FW SC FW FW
POP 12HR 60 80 40 20 10 20 10 10
RAIN SHWRS L C L D C S S
TSTMS C S S C C S S
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page