427
FOUS51 KLWX 142103
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
503 PM EDT THU MAY 14 2026
VAZ054-150800-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
503 PM EDT THU MAY 14 2026
DATE 05/14/26 FRI 05/15/26 SAT 05/16/26 SUN
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 52 72 54 83 65
TEMP 59 55 53 52 54 61 68 71 67 61 56 54 58 70 78 82 78 71 67 65 67
DEWPT 41 42 42 42 43 44 46 45 45 45 46 46 47 48 49 50 53 54 56 57 59
RH 51 61 66 69 66 53 45 39 45 56 69 74 67 45 36 33 42 55 68 75 75
WIND DIR NW NW NW NW NW NW NW NW NW SW W SW S S S SW SW SW SW SW SW
WIND SPD 14 12 12 12 14 13 12 12 6 1 3 2 4 9 11 13 11 10 10 8 5
CLOUDS B1 FW FW FW FW SC FW FW SC FW FW SC FW FW FW FW SC SC SC SC SC
POP 12HR 0 0 0 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S
SPRINKLES
DATE 05/17 MON 05/18/26 TUE 05/19/26 WED 05/20/26 THU 05/21/26
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 88 67 92 69 93 72 93 69 84
TEMP 85 83 69 69 90 86 72 71 90 87 75 74 90 85 74 71 81 77
DEWPT 61 61 61 63 62 62 61 63 62 62 62 64 63 63 63 61 59 58
PWIND DIR W S S S SW SW W W W
WIND CHAR LT LT LT GN GN GN GN GN GN
AVG CLOUDS SC SC SC FW FW FW FW FW CL FW FW FW FW B1 B1 SC B1 B1
POP 12HR 20 10 5 10 10 10 50 40 50
RAIN SHWRS S C C S S C
TSTMS C S S
MDZ013-150800-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
503 PM EDT THU MAY 14 2026
DATE 05/14/26 FRI 05/15/26 SAT 05/16/26 SUN
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 49 71 53 83 64
TEMP 57 53 51 49 53 62 69 70 67 60 56 54 59 72 80 82 76 69 66 65 68
DEWPT 43 45 45 44 45 47 48 49 50 50 48 46 48 51 51 53 56 57 57 57 60
RH 59 74 80 83 74 58 47 47 54 69 74 74 67 48 36 37 50 66 73 75 76
WIND DIR NW NW NW W NW NW NW NW NW W W W SW S S S S S SW SW W
WIND SPD 10 8 8 8 10 10 10 8 3 1 1 1 1 4 6 8 5 3 3 2 2
CLOUDS SC FW FW SC FW FW SC FW SC FW FW FW FW FW FW FW SC B1 SC SC SC
POP 12HR 0 0 0 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
SPRINKLES
HEAT INDEX 80
MAX HEAT 80 81
DATE 05/17 MON 05/18/26 TUE 05/19/26 WED 05/20/26 THU 05/21/26
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 89 65 92 67 94 71 94 68 84
TEMP 87 81 68 69 90 84 71 71 92 87 75 74 92 85 73 70 82 76
DEWPT 63 64 61 63 63 64 61 63 63 64 61 64 64 66 62 61 59 60
PWIND DIR W S SE S S SW W W W
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC FW FW FW FW FW FW FW FW SC B1 B1 SC B1 B1
POP 12HR 10 10 5 10 10 10 50 40 40
RAIN SHWRS C C S S C
TSTMS S S
MDZ011-150800-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
503 PM EDT THU MAY 14 2026
DATE 05/14/26 FRI 05/15/26 SAT 05/16/26 SUN
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 51 71 55 83 65
TEMP 58 55 52 51 54 62 68 70 67 61 57 55 60 72 80 82 77 70 67 65 69
DEWPT 41 42 43 43 42 44 45 45 47 47 47 45 46 47 47 49 54 55 56 57 59
RH 53 61 71 74 64 52 43 41 49 60 69 69 60 41 31 32 45 59 68 75 70
WIND DIR NW NW NW NW NW NW NW NW NW W W N N S S S S S SW W W
WIND SPD 10 8 8 8 10 10 10 9 2 1 1 0 0 4 8 8 4 3 2 1 1
CLOUDS SC FW FW SC SC SC SC SC SC FW FW FW FW FW FW FW SC SC SC SC B1
POP 12HR 0 0 0 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
SPRINKLES
DATE 05/17 MON 05/18/26 TUE 05/19/26 WED 05/20/26 THU 05/21/26
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 89 66 92 68 94 72 94 69 84
TEMP 87 82 69 70 90 85 72 71 91 87 76 75 92 86 74 70 82 77
DEWPT 60 63 60 61 61 62 60 62 61 62 61 63 62 64 62 59 56 59
PWIND DIR W N SE S S SW W W W
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC FW FW FW FW FW FW FW FW SC B1 B1 B1 B1 B1
POP 12HR 10 10 5 10 10 10 50 40 40
RAIN SHWRS C C S S C
TSTMS S S
WVZ052-150800-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
503 PM EDT THU MAY 14 2026
DATE 05/14/26 FRI 05/15/26 SAT 05/16/26 SUN
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 47 71 48 83 60
TEMP 55 52 50 49 52 62 68 70 65 57 52 49 54 70 80 82 76 68 63 61 66
DEWPT 39 39 39 39 41 42 43 42 44 43 42 41 44 48 50 54 57 57 57 56 58
RH 55 61 66 68 66 48 40 36 46 59 69 74 69 45 35 38 52 68 81 84 75
WIND DIR NW NW NW NW NW NW NW NW N N N N N S S S S SW SW N N
WIND SPD 11 9 10 10 13 11 10 8 0 0 0 0 0 4 6 8 4 4 2 0 0
WIND GUST 20 20 20
CLOUDS B1 SC FW SC FW FW FW SC SC FW FW FW FW FW FW SC B1 SC SC B1 B1
POP 12HR 0 0 0 5 20
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S C
SPRINKLES
HEAT INDEX 80
MAX HEAT 80 81
DATE 05/17 MON 05/18/26 TUE 05/19/26 WED 05/20/26 THU 05/21/26
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 89 62 94 66 96 69 94 64 84
TEMP 87 80 66 67 91 87 72 71 94 88 73 72 91 85 71 68 81 77
DEWPT 59 62 59 60 62 63 60 61 60 62 62 63 62 62 60 58 55 56
PWIND DIR W E SE S S SW W W NW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B1 SC SC FW FW FW FW FW FW B1 SC SC SC B1 B1 B1 B1 B1
POP 12HR 30 10 10 10 30 20 40 30 40
RAIN SHWRS C S C S S C C S C C
TSTMS S C C S
VAZ506-150800-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
503 PM EDT THU MAY 14 2026
DATE 05/14/26 FRI 05/15/26 SAT 05/16/26 SUN
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 71 50 83 62
TEMP 57 53 51 50 53 61 68 71 66 59 54 52 56 70 80 83 78 71 65 64 66
DEWPT 42 43 44 43 45 47 48 48 49 47 47 46 48 52 53 55 57 57 58 58 61
RH 57 69 77 77 74 60 49 44 54 64 77 80 74 53 39 38 48 61 78 81 84
WIND DIR NW NW NW NW NW NW NW NW NW W W N N S S S S SW SW SW SW
WIND SPD 11 9 9 9 12 11 10 8 2 1 1 0 0 4 8 9 6 5 3 2 2
WIND GUST 19 19
CLOUDS SC FW FW SC SC FW FW FW B1 FW FW FW FW FW FW FW SC SC SC SC B1
POP 12HR 0 0 0 0 10
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S
SPRINKLES
HEAT INDEX 80
MAX HEAT 80 82
DATE 05/17 MON 05/18/26 TUE 05/19/26 WED 05/20/26 THU 05/21/26
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 90 64 94 68 95 70 94 67 84
TEMP 87 82 68 69 92 88 73 71 93 89 76 72 92 86 73 69 82 78
DEWPT 63 63 61 63 64 64 62 63 64 63 62 65 64 65 63 62 60 61
PWIND DIR W SE S S S SW W W NW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC FW FW FW FW FW FW FW SC FW SC B1 B1 SC B1 B1
POP 12HR 20 10 5 10 10 20 50 40 50
RAIN SHWRS S S C C S S C
TSTMS C S S
VAZ037-150800-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
503 PM EDT THU MAY 14 2026
DATE 05/14/26 FRI 05/15/26 SAT 05/16/26 SUN
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 45 73 50 84 60
TEMP 58 52 47 45 50 63 71 73 67 58 54 51 55 72 82 84 77 68 63 62 66
DEWPT 37 36 37 36 38 38 39 38 42 41 41 41 44 46 49 51 53 54 55 55 58
RH 45 54 68 70 63 39 31 28 40 53 61 68 66 39 32 32 43 61 75 78 75
WIND DIR NW W W W W NW NW N N N N N N S S SW SW SW SW SW N
WIND SPD 10 6 6 6 6 9 5 3 0 0 0 0 0 6 9 11 9 6 4 3 0
CLOUDS SC FW CL FW FW FW FW FW SC B1 FW FW CL FW FW FW SC SC SC SC SC
POP 12HR 0 0 0 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE 05/17 MON 05/18/26 TUE 05/19/26 WED 05/20/26 THU 05/21/26
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 92 63 95 66 95 67 94 65 85
TEMP 90 82 67 68 94 87 71 71 93 87 73 71 92 84 72 69 83 77
DEWPT 57 60 59 61 58 60 61 62 58 59 61 63 60 62 63 62 58 58
PWIND DIR SW W S SW SW SW SW W SE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC FW FW FW CL FW CL FW CL FW FW FW FW B1 B1 B1 B1 B1
POP 12HR 10 5 5 5 5 5 50 40 50
RAIN SHWRS C C C C C
TSTMS C S S
MDZ003-150800-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
503 PM EDT THU MAY 14 2026
DATE 05/14/26 FRI 05/15/26 SAT 05/16/26 SUN
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 47 70 48 80 60
TEMP 54 52 50 49 51 60 67 69 64 57 52 49 54 68 77 80 75 67 62 61 65
DEWPT 41 43 43 43 44 46 48 47 48 46 45 44 47 51 54 57 58 58 58 57 60
RH 61 71 77 80 77 60 50 45 56 67 77 83 77 54 45 45 55 73 87 87 84
WIND DIR NW NW NW NW NW NW NW NW NW W S S S S S S S S SW SW SW
WIND SPD 10 9 9 9 12 10 9 8 3 1 1 1 1 4 6 9 4 4 2 2 3
WIND GUST 20 19 19 20 23
CLOUDS B2 B1 B1 SC FW FW SC SC SC FW FW FW FW FW FW SC B1 SC SC B1 B1
POP 12HR 0 0 0 5 20
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S S
SPRINKLES
HEAT INDEX 80
MAX HEAT 80
DATE 05/17 MON 05/18/26 TUE 05/19/26 WED 05/20/26 THU 05/21/26
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 88 63 92 66 94 68 92 64 82
TEMP 84 79 65 68 89 85 71 70 91 87 73 72 89 83 70 67 79 75
DEWPT 63 64 61 61 66 65 62 62 66 65 63 64 66 64 62 59 58 58
PWIND DIR W E S S S S W NW NW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B1 SC FW FW SC FW FW FW SC SC SC SC B1 B1 B1 B1 B1
POP 12HR 30 10 20 10 20 20 40 30 40
RAIN SHWRS S C S S S S C C S C C
TSTMS C S S C S
MDZ017-150800-
PATUXENT RIVER NAS MD
38.29N 76.41W ELEV. 39 FT
503 PM EDT THU MAY 14 2026
DATE 05/14/26 FRI 05/15/26 SAT 05/16/26 SUN
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 53 69 58 87 68
TEMP 61 56 55 53 56 61 67 69 66 62 60 58 63 75 83 85 79 74 72 69 73
DEWPT 43 44 44 44 45 45 48 50 51 49 51 49 50 52 53 55 56 56 57 57 59
RH 51 64 66 71 66 56 50 51 58 62 72 72 62 45 36 36 45 53 59 66 62
WIND DIR NW NW W NW NW NW NW NW SW S SW SW S S S S S S S SW SW
WIND SPD 9 9 10 10 12 11 9 5 2 3 4 4 4 6 10 10 6 8 8 6 5
CLOUDS SC FW CL FW SC SC FW CL FW SC FW FW CL CL FW FW FW SC SC SC SC
POP 12HR 0 0 0 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE 05/17 MON 05/18/26 TUE 05/19/26 WED 05/20/26 THU 05/21/26
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 91 68 90 69 88 71 92 69 83
TEMP 89 83 73 73 88 81 74 74 88 82 77 76 90 83 76 73 82 76
DEWPT 63 62 63 63 65 62 63 63 65 62 64 64 65 64 64 62 62 60
PWIND DIR S S S S S S S SW E
WIND CHAR LT LT LT LT GN LT LT LT LT
AVG CLOUDS SC SC FW FW CL CL FW CL CL CL CL FW FW B1 B1 SC B1 B1
POP 12HR 10 10 5 20 5 5 40 40 40
RAIN SHWRS S C C C C C
TSTMS S S S
WVZ502-150800-
PETERSBURG WV
38.99N 79.15W ELEV. 963 FT
503 PM EDT THU MAY 14 2026
DATE 05/14/26 FRI 05/15/26 SAT 05/16/26 SUN
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 48 87 60
TEMP 53 49 46 43 46 60 68 70 64 55 50 48 54 74 83 86 80 67 62 61 65
DEWPT 40 40 37 36 39 41 41 41 43 41 40 39 43 48 54 56 58 57 56 55 57
RH 61 71 71 76 76 49 37 35 46 59 68 71 66 40 37 36 47 70 81 81 75
WIND DIR SE SE SE S S NW NW NW W SW SW SW SW S SW W SW SW SW W W
WIND SPD 10 5 4 3 4 6 6 5 2 2 2 2 1 2 3 6 3 3 3 2 1
WIND GUST 20 16 14
CLOUDS SC FW FW SC FW FW FW SC SC SC FW FW SC FW SC SC B1 SC B1 B2 B1
POP 12HR 5 0 0 5 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS
HEAT INDEX 81
MAX HEAT 82 85
DATE 05/17 MON 05/18/26 TUE 05/19/26 WED 05/20/26 THU 05/21/26
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 91 63 97 67 97 68 92 63 85
TEMP 88 82 65 68 94 89 72 71 93 90 73 72 89 85 70 67 82 78
DEWPT 58 60 57 58 60 61 59 59 58 61 59 61 62 62 60 58 57 57
PWIND DIR W SW S SW SW SW W W W
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC FW FW FW FW SC FW FW CL B1 SC SC SC B1 B1 SC B1 B1
POP 12HR 20 5 20 10 30 10 50 30 50
RAIN SHWRS S S C S C C S C C
TSTMS S S C S C S
MDZ014-150800-
ANNAPOLIS MD
38.99N 76.49W ELEV. 7 FT
503 PM EDT THU MAY 14 2026
DATE 05/14/26 FRI 05/15/26 SAT 05/16/26 SUN
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 52 70 57 81 66
TEMP 59 54 53 52 54 62 67 70 66 62 59 57 61 74 79 81 75 70 68 68 70
DEWPT 44 45 45 45 45 46 48 49 51 51 49 48 49 51 52 53 56 57 58 58 60
RH 57 71 74 77 71 56 50 47 58 67 69 72 65 44 39 38 52 63 70 70 71
WIND DIR NW NW W NW NW NW NW NW N N N N N S S S S S SW SW SW
WIND SPD 11 10 10 10 10 11 10 8 0 0 0 0 0 6 9 10 8 6 5 3 3
CLOUDS SC FW FW SC SC FW SC SC SC FW FW FW CL FW FW FW SC SC SC SC SC
POP 12HR 0 0 0 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
SPRINKLES
DATE 05/17 MON 05/18/26 TUE 05/19/26 WED 05/20/26 THU 05/21/26
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 86 67 88 69 89 72 90 69 82
TEMP 86 79 70 70 86 79 71 72 88 80 74 74 88 80 73 72 80 75
DEWPT 61 63 62 63 62 62 62 63 63 63 62 64 63 64 63 61 59 60
PWIND DIR SW S SE S S S SW W SE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC FW FW FW FW FW CL CL FW FW FW B1 B1 B1 SC B1
POP 12HR 10 10 5 10 5 10 40 40 40
RAIN SHWRS C C S S C
TSTMS S S
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