272
FOUS51 KLWX 112104
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
503 PM EDT MON MAY 11 2026
VAZ054-120800-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
503 PM EDT MON MAY 11 2026
DATE 05/11/26 TUE 05/12/26 WED 05/13/26 THU
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 44 71 56 74 54
TEMP 56 50 46 44 48 58 65 69 66 59 57 57 59 66 71 69 66 61 57 54 56
DEWPT 39 42 41 39 38 35 37 38 40 41 44 44 45 47 50 54 55 56 54 51 50
RH 53 74 83 82 68 42 35 32 38 51 62 62 60 50 47 59 68 84 90 90 80
WIND DIR S SW NW N N NE W S S S S S S SW S S S SW SW W NW
WIND SPD 4 5 5 6 6 3 4 6 11 11 12 16 17 18 18 18 14 11 10 11 13
WIND GUST 28 28 28
CLOUDS FW FW CL FW FW CL FW FW FW SC B2 SC SC SC B2 B2 OV OV B1 SC FW
POP 12HR 0 0 5 70 90
QPF 12HR 0 0 0 0.12 0.13
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L L D D S S
TSTMS C S
DATE 05/14 FRI 05/15/26 SAT 05/16/26 SUN 05/17/26 MON 05/18/26
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 67 51 70 53 83 64 87 65 89
TEMP 65 60 52 53 66 66 56 56 77 78 68 66 84 81 69 67 85 83
DEWPT 46 43 45 45 45 45 47 49 52 56 56 58 55 56 57 59 58 59
PWIND DIR NW NW NW W SW W W S S
WIND CHAR BZ GN BZ LT GN GN GN GN GN
AVG CLOUDS SC SC SC FW FW SC SC SC SC SC SC FW FW FW SC FW FW FW
POP 12HR 10 0 0 0 5 20 20 5 10
RAIN SHWRS S S
MDZ013-120800-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
503 PM EDT MON MAY 11 2026
DATE 05/11/26 TUE 05/12/26 WED 05/13/26 THU
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 44 70 54 75 52
TEMP 56 51 47 45 49 59 66 69 63 57 56 56 59 68 73 71 65 60 56 53 55
DEWPT 41 43 41 40 39 33 35 37 43 45 46 46 47 50 52 55 58 58 55 52 52
RH 57 74 79 82 68 37 32 31 48 64 69 69 64 52 48 57 78 93 96 96 90
WIND DIR NW W N N N N NW SW S S S S S SW S S S S SW W NW
WIND SPD 2 3 4 4 4 3 3 4 5 5 6 10 12 13 14 12 9 5 4 5 6
WIND GUST 23
CLOUDS FW FW FW FW FW FW FW FW SC SC B2 B1 B1 B1 B2 B2 OV OV B1 SC FW
POP 12HR 0 0 5 70 90
QPF 12HR 0 0 0 0.14 0.14
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L L D D S S
TSTMS C S
DATE 05/14 FRI 05/15/26 SAT 05/16/26 SUN 05/17/26 MON 05/18/26
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 68 51 72 52 83 62 88 63 89
TEMP 66 61 53 54 70 67 57 57 79 77 67 66 85 80 68 67 86 82
DEWPT 48 47 47 47 47 49 48 50 53 58 57 59 57 60 57 59 60 62
PWIND DIR NW NW NW W SW W W SW S
WIND CHAR GN GN GN LT LT LT LT LT LT
AVG CLOUDS SC SC SC FW FW SC SC SC SC SC SC FW FW FW FW SC FW FW
POP 12HR 10 0 5 0 5 20 10 5 5
RAIN SHWRS S
MDZ011-120800-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
503 PM EDT MON MAY 11 2026
DATE 05/11/26 TUE 05/12/26 WED 05/13/26 THU
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 44 70 56 75 55
TEMP 57 51 46 44 48 58 66 69 64 58 57 57 59 68 72 71 66 60 57 55 56
DEWPT 37 39 38 37 35 30 32 35 38 42 44 45 44 46 48 52 56 56 54 51 49
RH 47 63 73 76 60 34 28 28 38 55 62 64 57 45 42 51 70 87 90 86 77
WIND DIR NW W N N N N W S S S S S S S S S S S SW W NW
WIND SPD 2 3 4 4 4 2 3 5 4 4 5 9 11 12 14 13 8 4 4 4 6
CLOUDS FW FW CL FW FW CL FW FW SC SC B2 B2 B1 B1 B2 B2 OV OV B1 SC FW
POP 12HR 0 0 5 70 90
QPF 12HR 0 0 0 0.17 0.15
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L L D D S S
TSTMS C S
DATE 05/14 FRI 05/15/26 SAT 05/16/26 SUN 05/17/26 MON 05/18/26
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 68 51 73 53 82 64 87 64 88
TEMP 66 62 53 54 69 68 56 57 78 78 67 67 85 81 68 67 85 82
DEWPT 45 44 45 44 44 46 47 48 50 56 56 57 54 57 56 57 57 60
PWIND DIR NW NW NW W SW W W SW S
WIND CHAR GN GN GN LT LT LT LT LT LT
AVG CLOUDS SC SC SC FW SC SC SC SC SC SC SC FW FW FW SC SC FW FW
POP 12HR 10 0 5 0 5 20 10 5 5
RAIN SHWRS S
WVZ052-120800-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
503 PM EDT MON MAY 11 2026
DATE 05/11/26 TUE 05/12/26 WED 05/13/26 THU
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 38 72 52 72 47
TEMP 57 47 42 39 44 57 67 71 66 58 55 54 58 65 67 70 64 57 52 48 52
DEWPT 32 34 33 33 34 34 36 38 40 41 40 41 43 47 52 52 53 52 49 45 45
RH 38 60 70 79 68 42 32 30 38 53 57 61 57 52 59 53 67 83 89 89 77
WIND DIR NW NW N N S S S S SE S S S S S SW SW SW W W W NW
WIND SPD 8 5 3 3 1 1 2 8 6 8 9 11 12 12 13 14 10 8 5 8 11
WIND GUST 23 23 24
CLOUDS SC FW SC FW FW CL FW FW SC SC B2 OV B2 B2 OV OV B1 B1 FW SC SC
POP 12HR 0 0 20 90 50
QPF 12HR 0 0 0 0.10 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C D D C C
TSTMS S C
DATE 05/14 FRI 05/15/26 SAT 05/16/26 SUN 05/17/26 MON 05/18/26
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 64 48 73 49 85 59 89 61 92
TEMP 62 60 52 52 70 67 53 54 81 78 65 64 86 81 66 65 88 85
DEWPT 42 41 42 42 41 43 44 47 51 55 56 56 53 55 56 56 56 58
PWIND DIR NW NW NW W SW W W SW SW
WIND CHAR GN GN GN LT GN LT LT LT LT
AVG CLOUDS SC B1 SC FW SC SC FW SC SC SC FW FW FW FW FW FW FW FW
POP 12HR 5 0 0 5 10 20 20 5 20
RAIN SHWRS S S S
TSTMS S S
VAZ506-120800-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
503 PM EDT MON MAY 11 2026
DATE 05/11/26 TUE 05/12/26 WED 05/13/26 THU
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 41 71 54 74 50
TEMP 56 49 44 41 46 58 66 70 66 60 56 56 59 66 70 70 66 60 55 51 53
DEWPT 41 42 41 40 41 37 38 40 44 44 45 45 46 50 53 56 57 57 54 51 50
RH 57 77 89 96 83 45 36 33 45 55 66 66 62 56 55 61 73 90 96100 89
WIND DIR NW W NW N N N W S S S S S S S S S S SW W NW NW
WIND SPD 3 3 3 3 3 2 4 5 6 9 11 13 16 14 14 14 11 6 5 8 11
WIND GUST 21 26 27 25 25 25
CLOUDS SC FW FW FW FW CL FW FW SC B1 B2 B1 SC B1 B2 B2 OV OV SC SC SC
POP 12HR 0 0 5 70 90
QPF 12HR 0 0 0 0.16 0.06
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L L D D
TSTMS C S
DATE 05/14 FRI 05/15/26 SAT 05/16/26 SUN 05/17/26 MON 05/18/26
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 66 49 72 50 84 61 88 62 90
TEMP 64 60 52 53 69 67 55 55 80 79 67 65 86 81 68 66 87 85
DEWPT 47 46 46 46 46 48 48 50 54 59 58 59 58 60 58 59 60 61
PWIND DIR NW NW NW W SW SW NW S S
WIND CHAR GN GN GN LT LT LT LT LT LT
AVG CLOUDS SC SC SC FW SC SC SC SC SC FW SC FW FW FW SC FW FW FW
POP 12HR 5 0 0 0 5 20 20 5 10
RAIN SHWRS S S
VAZ037-120800-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
503 PM EDT MON MAY 11 2026
DATE 05/11/26 TUE 05/12/26 WED 05/13/26 THU
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 41 73 51 73 48
TEMP 54 48 43 41 46 62 68 71 67 58 54 53 57 66 71 70 65 59 53 49 52
DEWPT 43 43 41 39 41 40 41 42 43 42 42 42 44 47 51 54 54 53 50 46 47
RH 66 83 93 92 83 44 37 35 42 55 64 66 62 50 49 57 68 80 89 89 83
WIND DIR S S S S SE E S S S S S S S SW SW SW SW SW W W W
WIND SPD 2 1 1 1 2 3 6 9 8 8 9 10 11 12 12 12 10 6 4 5 6
WIND GUST 21 24 23 23 23 17
CLOUDS FW CL FW SC FW CL FW SC SC SC SC SC FW B2 B2 B2 B1 B1 FW FW FW
POP 12HR 0 0 5 70 50
QPF 12HR 0 0 0 0.04 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L L C C
TSTMS S C S
DATE 05/14 FRI 05/15/26 SAT 05/16/26 SUN 05/17/26 MON 05/18/26
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 67 44 72 50 86 60 90 62 91
TEMP 65 59 47 49 70 67 53 56 83 80 65 65 88 83 67 67 90 85
DEWPT 40 39 40 41 39 42 44 48 52 55 56 58 54 56 57 58 56 58
PWIND DIR NW NW NW W SW W W W SW
WIND CHAR GN GN GN LT GN LT LT LT LT
AVG CLOUDS FW SC FW CL CL SC FW SC SC FW SC FW FW FW FW FW FW FW
POP 12HR 5 0 0 5 10 5 20 5 10
RAIN SHWRS S
MDZ003-120800-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
503 PM EDT MON MAY 11 2026
DATE 05/11/26 TUE 05/12/26 WED 05/13/26 THU
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 38 70 52 70 48
TEMP 56 48 42 38 44 56 65 70 64 57 54 54 57 63 65 68 63 57 52 48 52
DEWPT 35 36 36 35 37 33 36 38 42 42 42 43 45 50 55 56 56 54 51 47 47
RH 45 63 79 89 76 42 34 31 45 57 64 66 64 62 70 65 78 90 96 96 83
WIND DIR NW N N N N NW W S S SE S S S S S SW SW SW W W NW
WIND SPD 6 5 5 3 2 1 4 6 5 8 9 10 11 12 13 14 9 5 4 5 10
WIND GUST 20 21
CLOUDS SC FW FW FW FW CL FW SC SC SC B2 OV B2 B2 OV OV B1 B1 FW SC SC
POP 12HR 0 0 20 90 50
QPF 12HR 0 0 0 0.12 0.03
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C D D C C
TSTMS S C
DATE 05/14 FRI 05/15/26 SAT 05/16/26 SUN 05/17/26 MON 05/18/26
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 63 48 71 49 83 59 87 61 90
TEMP 61 58 51 52 68 66 53 55 79 76 64 64 84 80 65 65 86 84
DEWPT 46 44 45 45 46 46 47 48 54 57 57 57 56 57 57 57 59 61
PWIND DIR NW NW NW W SW SW W S SW
WIND CHAR GN GN GN LT GN LT LT LT LT
AVG CLOUDS SC B1 SC SC SC SC FW SC SC SC FW FW FW FW SC SC FW FW
POP 12HR 10 0 0 5 10 20 20 5 10
RAIN SHWRS S S
TSTMS S
MDZ017-120800-
PATUXENT RIVER NAS MD
38.29N 76.41W ELEV. 39 FT
503 PM EDT MON MAY 11 2026
DATE 05/11/26 TUE 05/12/26 WED 05/13/26 THU
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 50 71 57 80 58
TEMP 52 50 51 50 55 63 68 68 63 60 60 59 63 73 78 75 69 65 62 59 60
DEWPT 45 46 47 46 45 41 39 41 45 49 49 47 48 50 52 55 57 57 59 55 54
RH 77 86 86 86 69 44 34 37 52 67 67 64 58 44 40 50 66 75 90 87 81
WIND DIR W W W NW N N NE SE S S S S S S S S S S SW W NW
WIND SPD 2 4 5 6 8 5 5 6 6 10 11 12 13 16 16 13 10 10 6 5 9
CLOUDS CL CL CL FW FW CL CL FW FW FW FW FW SC SC B1 B1 OV OV B1 B1 FW
POP 12HR 0 0 0 40 100
QPF 12HR 0 0 0 0.21 0.18
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C D D C C S
TSTMS S S
DATE 05/14 FRI 05/15/26 SAT 05/16/26 SUN 05/17/26 MON 05/18/26
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 73 53 72 56 86 65 89 66 87
TEMP 70 63 56 57 69 66 60 62 82 79 72 71 86 80 72 72 85 81
DEWPT 49 48 47 47 48 50 50 51 55 58 58 60 60 59 60 61 62 61
PWIND DIR NW NW NW W SW SW SW SW S
WIND CHAR GN GN GN LT LT LT LT LT GN
AVG CLOUDS SC SC FW FW FW SC FW FW SC SC FW FW FW FW FW FW FW FW
POP 12HR 20 0 0 0 5 20 20 0 5
RAIN SHWRS S S S
WVZ502-120800-
PETERSBURG WV
38.99N 79.15W ELEV. 963 FT
503 PM EDT MON MAY 11 2026
DATE 05/11/26 TUE 05/12/26 WED 05/13/26 THU
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 34 76 52 74 45
TEMP 56 44 37 34 40 60 71 76 69 57 54 54 58 65 69 72 65 56 52 47 46
DEWPT 35 37 37 34 38 37 37 37 43 43 42 41 44 50 53 52 52 50 47 44 43
RH 45 76100100 92 42 29 24 39 59 64 61 59 58 57 49 63 80 83 89 89
WIND DIR N W NW SW N SE NW W SW S S S S SW SW SW SW W W W W
WIND SPD 5 1 1 1 0 2 4 6 3 3 4 8 9 10 11 12 6 3 2 2 5
WIND GUST 18 20 20 21 24 17
CLOUDS FW FW SC SC FW FW FW SC SC SC B2 B2 OV B2 OV OV B1 B1 SC SC B1
POP 12HR 0 0 30 90 40
QPF 12HR 0 0 0 0.05 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L L D D C C
TSTMS C C
OBVIS PF
FROST Y Y
DATE 05/14 FRI 05/15/26 SAT 05/16/26 SUN 05/17/26 MON 05/18/26
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 62 42 72 49 86 59 89 61 93
TEMP 59 56 46 46 68 67 52 54 82 79 64 63 87 83 66 66 90 87
DEWPT 43 42 42 41 42 45 44 47 55 57 56 56 55 58 56 56 58 60
PWIND DIR NW NW NW SW W SW W SW SW
WIND CHAR GN LT GN LT LT LT LT LT LT
AVG CLOUDS B1 SC SC SC FW SC FW SC SC SC FW SC FW FW SC FW SC SC
POP 12HR 10 0 0 10 20 10 20 5 20
RAIN SHWRS S S S
TSTMS S S
MDZ014-120800-
ANNAPOLIS MD
38.99N 76.49W ELEV. 7 FT
503 PM EDT MON MAY 11 2026
DATE 05/11/26 TUE 05/12/26 WED 05/13/26 THU
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 48 67 56 74 56
TEMP 56 52 50 48 52 60 64 66 63 59 58 58 61 71 74 72 66 61 59 57 58
DEWPT 43 46 44 43 40 35 36 39 44 48 49 48 47 50 52 54 57 58 56 53 51
RH 62 80 80 83 63 39 35 37 50 67 72 69 60 47 46 53 73 90 90 86 77
WIND DIR S W NW N N NE E SE S S S S S S S S S S SW W NW
WIND SPD 2 4 5 6 6 5 4 6 6 9 11 11 12 14 14 13 11 8 6 6 8
WIND GUST 21 24 25
CLOUDS CL FW CL FW FW CL CL FW SC SC B2 B1 SC SC B2 B2 OV OV B1 B1 FW
POP 12HR 0 0 5 60 100
QPF 12HR 0 0 0 0.12 0.22
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L L D D S S
TSTMS S S
DATE 05/14 FRI 05/15/26 SAT 05/16/26 SUN 05/17/26 MON 05/18/26
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 68 52 72 54 82 64 86 65 87
TEMP 68 62 55 55 69 67 58 58 78 76 69 68 84 78 70 68 84 79
DEWPT 48 47 47 46 47 50 50 50 53 57 58 59 57 58 58 59 59 60
PWIND DIR NW NW NW W SW SW W SW S
WIND CHAR GN GN GN LT LT LT LT LT LT
AVG CLOUDS SC SC FW FW FW SC SC SC SC FW SC FW FW FW FW FW FW FW
POP 12HR 10 0 5 0 5 20 10 5 5
RAIN SHWRS S
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