595
FOUS51 KLWX 100632
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
232 AM EDT SUN MAY 10 2026
VAZ054-102000-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
232 AM EDT SUN MAY 10 2026
DATE SUN 05/10/26 MON 05/11/26 TUE 05/12/26
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 54 66 49 69
TEMP 59 61 75 80 76 69 64 60 56 55 57 62 64 61 56 51 49 51 59 66 68 64
DEWPT 52 54 52 51 53 54 52 47 43 43 44 43 41 41 41 39 37 36 35 35 34 37
RH 78 78 45 36 45 59 65 62 62 64 62 50 43 48 57 63 63 56 40 32 28 37
WIND DIR SW SW W SW N N N N N N N NW NW NW NW N N N N N NW SE
WIND SPD 3 4 8 8 12 10 8 9 10 9 8 5 6 8 8 10 9 9 8 5 4 6
CLOUDS FW FW FW FW B2 B2 B1 SC B1 OV OV B2 B1 B1 SC SC FW FW FW CL FW FW
POP 12HR 60 50 50 0 0
QPF 12HR 0.11 0.02 0.02 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S L C S S C C C
TSTMS S C
HEAT INDEX 80
MAX HEAT 80
DATE WED 05/13/26 THU 05/14/26 FRI 05/15/26 SAT 05/16/26
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 53 72 55 69 53 73 57 81
TEMP 54 56 69 67 58 57 67 65 56 55 70 70 59 60 78 76
DEWPT 41 45 50 53 53 52 47 45 46 47 47 47 49 51 51 53
PWIND DIR S S SW NW NW NW W SW
WIND CHAR GN BZ GN BZ GN GN LT GN
AVG CLOUDS FW SC B1 B2 B2 SC SC SC FW FW FW SC SC FW SC SC
POP 12HR 5 50 80 20 5 10 5 5
RAIN SHWRS S C D S S S
TSTMS S S
MDZ013-102000-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
232 AM EDT SUN MAY 10 2026
DATE SUN 05/10/26 MON 05/11/26 TUE 05/12/26
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 51 67 47 69
TEMP 55 59 74 80 77 68 62 58 53 53 58 64 65 60 55 50 47 50 60 67 68 63
DEWPT 51 53 55 54 56 57 52 46 43 44 45 44 43 45 44 41 38 38 37 36 35 40
RH 86 80 51 41 48 68 70 64 69 71 62 48 45 58 66 71 71 63 42 32 29 43
WIND DIR W W W W NW N N N N N NE S W SW NW N N N N N SE S
WIND SPD 1 3 6 8 8 5 3 5 5 3 2 3 4 2 3 4 4 5 3 3 3 3
CLOUDS FW SC FW SC B2 B1 SC B1 B1 OV B2 B2 B1 B2 SC FW FW FW CL CL FW FW
POP 12HR 60 50 40 0 0
QPF 12HR 0.10 0.03 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C S S C C S
TSTMS S C
HEAT INDEX 80
MAX HEAT 80 81
DATE WED 05/13/26 THU 05/14/26 FRI 05/15/26 SAT 05/16/26
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 51 72 53 70 51 74 55 82
TEMP 53 56 70 66 57 56 68 65 55 55 71 69 58 59 79 75
DEWPT 44 46 51 55 54 53 50 49 48 48 49 51 50 52 53 56
PWIND DIR S S SW NW NW NW W SW
WIND CHAR LT GN LT GN LT LT LT LT
AVG CLOUDS SC B1 B1 B2 OV B1 SC SC FW FW FW SC SC SC SC SC
POP 12HR 5 50 80 20 5 10 5 10
RAIN SHWRS S C D C S S
TSTMS S S
MDZ011-102000-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
232 AM EDT SUN MAY 10 2026
DATE SUN 05/10/26 MON 05/11/26 TUE 05/12/26
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 53 67 48 69
TEMP 57 62 75 80 76 68 62 58 54 54 59 64 65 61 55 50 48 50 60 67 69 64
DEWPT 51 52 52 51 53 54 49 44 41 41 41 40 38 41 40 38 35 34 32 31 31 35
RH 80 70 45 36 45 61 62 59 61 61 51 41 37 48 57 63 60 54 35 26 24 34
WIND DIR NW W W W NW N NW N N N N S S SW NW N N N N N S S
WIND SPD 3 3 5 9 9 5 4 8 6 5 5 3 4 1 2 4 4 4 3 3 2 2
WIND GUST 18
CLOUDS FW SC FW SC B1 B1 SC B1 B1 OV B2 B2 B1 B1 SC FW FW FW FW CL FW FW
POP 12HR 60 50 40 0 0
QPF 12HR 0.07 0.02 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C S C C C S
TSTMS S C
HEAT INDEX 80
MAX HEAT 80 80
DATE WED 05/13/26 THU 05/14/26 FRI 05/15/26 SAT 05/16/26
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 54 72 55 70 54 73 57 81
TEMP 55 57 69 66 58 57 68 65 56 56 71 69 59 60 79 75
DEWPT 41 44 48 52 53 51 46 46 46 46 46 48 49 50 50 54
PWIND DIR S S SW NW NW NW W SW
WIND CHAR LT GN LT GN LT LT LT LT
AVG CLOUDS SC B1 B2 B2 OV B1 SC SC FW FW FW SC SC SC SC SC
POP 12HR 5 60 80 30 5 10 5 10
RAIN SHWRS S L D C S C
TSTMS S S
WVZ052-102000-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
232 AM EDT SUN MAY 10 2026
DATE SUN 05/10/26 MON 05/11/26 TUE 05/12/26
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 78 48 68 40 69
TEMP 51 57 73 77 72 65 58 54 50 51 59 66 66 60 51 44 40 45 58 66 69 64
DEWPT 46 49 50 49 49 46 42 38 37 39 38 35 34 35 35 33 31 32 31 30 30 33
RH 83 75 44 37 44 50 55 54 61 63 45 32 30 39 54 65 70 60 36 26 23 31
WIND DIR SW SW W W NW N N N NW N W W NW NW NW N NW N N N SE SE
WIND SPD 3 3 8 10 9 6 6 6 4 0 1 4 11 9 6 6 5 4 3 0 3 3
WIND GUST 20
CLOUDS FW FW B1 B2 B2 B1 SC SC B2 B2 B2 B1 B1 B1 FW FW FW FW CL FW FW FW
POP 12HR 60 30 20 0 0
QPF 12HR 0.02 0.01 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L C S S S
TSTMS C S
DATE WED 05/13/26 THU 05/14/26 FRI 05/15/26 SAT 05/16/26
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 49 71 49 68 48 74 53 83
TEMP 52 55 67 65 54 53 65 63 52 53 72 68 56 58 80 76
DEWPT 36 42 50 52 49 47 43 42 43 43 44 46 47 48 49 52
PWIND DIR S S W NW NW NW W W
WIND CHAR LT GN LT GN GN GN LT LT
AVG CLOUDS SC B2 B2 B2 B2 FW FW SC FW FW SC SC SC SC SC SC
POP 12HR 10 80 70 10 5 5 5 10
RAIN SHWRS C D L S
TSTMS C
VAZ506-102000-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
232 AM EDT SUN MAY 10 2026
DATE SUN 05/10/26 MON 05/11/26 TUE 05/12/26
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 51 67 45 69
TEMP 53 58 74 79 75 68 62 57 53 53 57 63 65 61 54 48 45 48 59 66 69 64
DEWPT 50 52 54 54 56 55 51 47 44 45 46 45 42 43 42 40 38 38 38 38 37 40
RH 89 80 50 42 52 63 67 69 71 74 67 52 43 51 64 74 76 68 45 36 31 41
WIND DIR S SW W W NW N N N N N N NW NW NW NW NW NW N N NW NW SE
WIND SPD 1 2 5 8 10 6 5 6 6 4 3 3 4 4 5 5 4 5 4 4 3 3
CLOUDS FW SC CL SC B2 SC SC SC B1 OV OV B2 B1 B1 SC FW FW FW CL CL FW FW
POP 12HR 70 40 40 0 0
QPF 12HR 0.20 0.02 0.01 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C S S C C S
TSTMS S C
DATE WED 05/13/26 THU 05/14/26 FRI 05/15/26 SAT 05/16/26
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 51 72 51 69 50 74 54 82
TEMP 53 55 68 66 56 54 67 64 54 54 71 69 58 58 79 77
DEWPT 42 46 53 55 54 52 49 47 47 48 49 50 50 52 54 56
PWIND DIR S S SW NW NW NW W SW
WIND CHAR GN GN LT GN GN GN LT LT
AVG CLOUDS SC B1 B2 B2 B2 SC SC SC FW FW SC SC SC SC SC SC
POP 12HR 5 60 70 20 5 5 5 10
RAIN SHWRS C L L S S
TSTMS S S
VAZ037-102000-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
232 AM EDT SUN MAY 10 2026
DATE SUN 05/10/26 MON 05/11/26 TUE 05/12/26
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 51 65 44 72
TEMP 55 58 76 82 80 71 64 59 55 52 57 61 64 60 53 47 44 48 61 69 72 65
DEWPT 46 49 49 48 49 53 54 52 47 46 45 44 42 43 41 39 37 38 34 34 33 36
RH 72 72 39 31 34 53 70 78 74 80 64 53 45 53 64 74 76 68 36 27 24 34
WIND DIR SW SW SW SW W NE NE NE N NE NE E S N NW NW NW N NE SE S S
WIND SPD 3 3 5 6 8 5 4 5 8 6 4 4 4 0 3 4 4 3 4 2 3 5
CLOUDS CL CL CL SC B1 B1 B2 B2 B2 OV OV OV B1 B1 SC FW FW FW CL FW FW FW
POP 12HR 40 40 60 5 0
QPF 12HR 0 0 0.07 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S C C L
TSTMS C
DATE WED 05/13/26 THU 05/14/26 FRI 05/15/26 SAT 05/16/26
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 49 73 50 70 48 76 53 85
TEMP 51 54 70 67 55 54 68 65 52 53 74 71 57 58 83 78
DEWPT 39 43 49 52 50 49 41 40 41 43 42 44 46 49 49 51
PWIND DIR S SW W NW NW W W SW
WIND CHAR LT GN LT GN LT LT LT LT
AVG CLOUDS FW SC B1 B2 B1 SC FW SC FW CL FW FW FW SC FW FW
POP 12HR 0 60 40 10 5 0 5 10
RAIN SHWRS S L C
TSTMS S
MDZ003-102000-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
232 AM EDT SUN MAY 10 2026
DATE SUN 05/10/26 MON 05/11/26 TUE 05/12/26
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 75 48 68 42 68
TEMP 53 58 71 73 70 64 57 52 50 51 59 65 66 60 52 45 42 47 58 65 68 62
DEWPT 48 50 53 52 50 46 43 39 38 40 40 38 37 37 37 35 33 35 34 34 34 37
RH 83 75 53 48 49 52 59 61 63 66 49 37 34 42 56 68 70 63 40 31 28 39
WIND DIR S SW W NW NW NW N N N N W W NW NW N N N N N NW S S
WIND SPD 3 2 6 10 9 5 5 5 3 2 3 5 10 8 6 5 4 3 3 2 3 3
WIND GUST 19
CLOUDS SC SC B1 B1 B1 SC SC SC OV B2 B1 SC B1 B1 FW FW FW FW CL FW FW FW
POP 12HR 50 20 10 0 0
QPF 12HR 0.03 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S
TSTMS C
DATE WED 05/13/26 THU 05/14/26 FRI 05/15/26 SAT 05/16/26
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 50 69 49 67 48 73 53 81
TEMP 52 54 65 64 54 53 65 62 51 53 70 68 56 57 78 74
DEWPT 38 44 53 55 52 49 47 46 46 46 48 49 49 50 53 54
PWIND DIR S S W NW NW NW W W
WIND CHAR LT GN LT GN LT LT LT LT
AVG CLOUDS SC B2 B2 OV B2 SC SC SC FW FW SC SC SC SC SC SC
POP 12HR 20 80 70 20 5 10 5 10
RAIN SHWRS S L D L S S S
TSTMS C
MDZ017-102000-
PATUXENT RIVER NAS MD
38.29N 76.41W ELEV. 39 FT
232 AM EDT SUN MAY 10 2026
DATE SUN 05/10/26 MON 05/11/26 TUE 05/12/26
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 56 65 52 67
TEMP 60 63 77 81 78 70 66 63 60 60 62 61 61 59 56 54 53 55 62 65 66 61
DEWPT 56 56 56 56 55 56 57 55 50 49 49 48 47 46 47 46 43 42 40 39 38 41
RH 87 78 48 42 45 61 73 75 69 67 62 62 60 62 72 74 69 61 44 38 36 48
WIND DIR W W E SE SE N N N N N N N NE SE NW NW N N N N NE SE
WIND SPD 3 2 4 8 10 8 4 6 11 10 9 6 4 1 2 4 9 9 8 6 4 2
CLOUDS FW CL CL FW FW B1 B1 B1 SC OV OV OV OV SC SC FW FW FW CL CL CL FW
POP 12HR 10 40 70 0 0
QPF 12HR 0 0.04 0.07 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C L C S
HEAT INDEX 81
MAX HEAT 81
DATE WED 05/13/26 THU 05/14/26 FRI 05/15/26 SAT 05/16/26
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 55 77 57 74 54 76 58 84
TEMP 58 61 74 70 63 61 72 68 60 59 73 69 63 64 80 76
DEWPT 47 48 51 54 57 55 52 50 49 49 50 52 52 53 55 56
PWIND DIR S S SW NW NW NW SW SW
WIND CHAR LT GN GN GN LT GN LT LT
AVG CLOUDS FW SC SC B2 OV B1 SC SC FW FW FW SC SC FW FW FW
POP 12HR 0 30 90 20 5 10 5 5
RAIN SHWRS C D C S S
TSTMS S
WVZ502-102000-
PETERSBURG WV
38.99N 79.15W ELEV. 963 FT
232 AM EDT SUN MAY 10 2026
DATE SUN 05/10/26 MON 05/11/26 TUE 05/12/26
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 78 47 69 38 73
TEMP 47 56 71 76 73 67 57 53 49 49 59 67 67 61 49 42 38 43 59 69 73 66
DEWPT 46 49 51 51 53 51 49 45 43 44 42 38 36 36 37 37 34 35 35 35 36 40
RH 96 77 49 42 49 56 75 74 80 83 53 34 32 39 63 82 85 73 40 28 26 38
WIND DIR SE SE W W W N N N NW N NW NW NW NW NW NW N N N NW W SW
WIND SPD 3 2 5 8 6 3 2 1 1 0 1 5 9 5 2 1 0 0 1 2 3 2
WIND GUST 16 18 16
CLOUDS SC B2 B2 B2 B1 SC SC B1 OV B2 OV B1 SC SC FW FW FW CL CL FW FW FW
POP 12HR 60 40 20 0 0
QPF 12HR 0.03 0.03 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L C S C S
TSTMS C S
DATE WED 05/13/26 THU 05/14/26 FRI 05/15/26 SAT 05/16/26
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 50 74 47 66 45 75 52 84
TEMP 52 55 69 67 53 49 64 62 49 49 72 69 55 56 81 78
DEWPT 40 43 51 51 48 46 43 43 43 43 45 47 47 48 53 55
PWIND DIR SW SW W NW NW W SW W
WIND CHAR LT GN LT GN LT LT LT LT
AVG CLOUDS SC B1 B2 B2 B1 SC SC SC SC SC SC SC FW SC SC SC
POP 12HR 10 70 40 10 5 5 10 10
RAIN SHWRS C L C
TSTMS C
MDZ014-102000-
ANNAPOLIS MD
38.99N 76.49W ELEV. 7 FT
232 AM EDT SUN MAY 10 2026
DATE SUN 05/10/26 MON 05/11/26 TUE 05/12/26
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 78 54 64 51 66
TEMP 58 61 75 78 75 67 62 60 56 56 61 62 64 61 56 53 51 53 61 65 66 63
DEWPT 54 55 55 54 56 57 56 50 46 45 45 45 44 45 46 43 40 38 37 37 36 41
RH 86 81 50 43 52 70 81 69 69 66 56 54 48 56 69 69 66 57 41 35 33 44
WIND DIR N N W S W N N N N N N N S N NW N N N N N E S
WIND SPD 0 0 5 9 6 4 2 6 9 6 5 4 4 0 3 6 8 8 6 4 4 3
CLOUDS FW FW SC FW B1 B2 B2 B1 B1 B2 OV B2 B1 B1 SC SC FW FW FW CL CL FW
POP 12HR 50 40 50 0 0
QPF 12HR 0.04 0.02 0.01 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S S C C S
TSTMS C S
DATE WED 05/13/26 THU 05/14/26 FRI 05/15/26 SAT 05/16/26
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 54 71 56 72 54 75 58 81
TEMP 56 59 70 67 61 59 70 67 59 58 72 69 62 62 78 73
DEWPT 46 47 51 54 55 53 50 49 49 48 49 52 52 52 53 55
PWIND DIR S S SW NW NW NW W SW
WIND CHAR LT GN LT GN LT LT LT LT
AVG CLOUDS FW B1 B1 B2 OV B1 SC SC FW FW FW SC SC SC FW SC
POP 12HR 5 50 90 20 5 10 5 5
RAIN SHWRS C D C S S
TSTMS S
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