080
FOUS51 KLWX 221500
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1100 AM EDT SAT AUG 22 2026
VAZ054-222000-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
1100 AM EDT SAT AUG 22 2026
DATE SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 69 84 65 83
TEMP 73 76 78 75 72 70 70 71 78 82 82 77 72 67 65 67 77 81 81 75
DEWPT 68 68 68 68 68 69 68 67 65 61 60 58 58 57 57 57 57 55 54 53
RH 84 76 71 79 87 97 93 87 64 49 47 52 61 70 75 70 50 41 39 46
WIND DIR E E E E E S SW W W W W W NW NW NW W W W W NW
WIND SPD 8 9 10 8 5 4 6 9 12 12 13 11 10 8 8 8 12 12 12 10
CLOUDS OV B2 B2 B2 B2 B2 B1 SC FW FW SC FW FW FW FW SC FW SC FW FW
POP 12HR 50 60 0 5 0
QPF 12HR 0.61 0.10 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C C C
TSTMS S C C S
HEAT INDEX 83 82 81 81
MAX HEAT 83 84 81 81
DATE TUE 08/25/26 WED 08/26/26 THU 08/27/26 FRI 08/28/26
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 64 84 67 87 71 86 71 87
TEMP 66 65 81 77 68 68 84 80 73 73 84 79 73 73 85 81
DEWPT 55 56 54 57 60 61 63 65 68 68 69 69 70 69 70 69
PWIND DIR NW NW W SW S S S W
WIND CHAR GN GN LT GN GN GN GN LT
AVG CLOUDS FW CL FW FW FW SC SC SC B1 B1 B1 B2 B1 B1 SC B1
POP 12HR 0 0 0 10 30 60 50 30
RAIN SHWRS S C S L C C S C
TSTMS S S S C S
MDZ013-222000-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
1100 AM EDT SAT AUG 22 2026
DATE SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 77 67 83 63 81
TEMP 73 75 75 72 70 69 68 69 77 81 81 74 70 65 63 65 76 79 79 73
DEWPT 70 70 71 71 70 69 68 69 69 66 64 63 61 59 59 60 61 59 57 58
RH 90 84 87 97100100100100 76 60 56 69 73 81 87 84 60 50 47 59
WIND DIR E E E E NE N W W W W W W W W W W W W W NW
WIND SPD 6 6 6 4 2 1 2 4 9 10 10 6 5 4 4 4 9 10 10 5
CLOUDS OV B2 B2 B2 OV B2 B2 B1 SC FW SC FW FW FW FW SC FW SC FW FW
POP 12HR 50 60 5 5 0
QPF 12HR 0.45 0.06 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C C C C
TSTMS S C C S
HEAT INDEX 83 83
MAX HEAT 83 84 81
DATE TUE 08/25/26 WED 08/26/26 THU 08/27/26 FRI 08/28/26
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 62 82 65 85 69 84 70 86
TEMP 64 64 80 75 66 67 83 78 71 72 82 77 71 72 84 79
DEWPT 57 58 58 61 63 64 65 68 69 70 72 72 71 71 72 72
PWIND DIR W W NW S S S S SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW CL FW FW FW FW FW SC SC B1 B1 B2 B2 B1 SC B1
POP 12HR 0 0 0 10 20 60 60 30
RAIN SHWRS S S S L L C S C
TSTMS S S S C S
MDZ011-222000-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
1100 AM EDT SAT AUG 22 2026
DATE SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 68 84 65 82
TEMP 75 77 77 73 71 70 69 70 78 82 82 75 70 67 65 67 77 80 80 73
DEWPT 65 66 67 67 68 68 68 66 64 61 59 58 58 58 57 57 55 54 54 54
RH 71 69 71 81 90 93 97 87 62 49 46 55 66 73 75 70 47 41 41 51
WIND DIR E E E E NE N W W W W W W W W W W W W W NW
WIND SPD 5 8 8 4 2 0 1 3 9 10 10 6 4 3 3 4 9 11 10 6
CLOUDS OV B2 B2 B2 B2 B2 B2 B1 SC FW SC FW FW FW FW FW FW SC FW FW
POP 12HR 50 60 5 5 0
QPF 12HR 0.26 0.11 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C C C C
TSTMS S C C S
HEAT INDEX 83 82 80 80
MAX HEAT 83 84 80 81
DATE TUE 08/25/26 WED 08/26/26 THU 08/27/26 FRI 08/28/26
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 63 84 66 86 71 86 71 87
TEMP 65 65 82 77 67 69 83 78 72 73 83 78 72 73 84 80
DEWPT 56 55 54 56 60 60 61 63 67 68 68 69 70 69 69 69
PWIND DIR W W NW S S S S SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW CL CL FW FW FW FW SC B1 B1 B1 B2 B2 B1 SC B1
POP 12HR 0 0 0 10 20 60 60 30
RAIN SHWRS S S S L L C S C
TSTMS S S S C S
WVZ052-222000-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
1100 AM EDT SAT AUG 22 2026
DATE SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 61 81 57 78
TEMP 73 78 77 73 67 66 63 65 75 80 79 71 64 60 57 61 73 78 77 70
DEWPT 65 66 66 66 66 66 63 65 62 58 57 56 57 57 56 57 56 54 53 53
RH 76 67 69 79 97100100100 64 47 47 59 78 90 96 87 55 43 43 55
WIND DIR SE SE SE SE S SW SW W W W W W W W W W W W W NW
WIND SPD 4 8 8 5 3 1 3 6 11 12 11 6 4 4 5 6 10 11 11 6
CLOUDS OV B2 B2 B2 OV B2 B2 SC FW SC SC FW FW FW SC FW FW FW FW CL
POP 12HR 40 90 0 5 0
QPF 12HR 0.02 0.15 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C D L C
TSTMS S C C
OBVIS PF
HEAT INDEX 81
MAX HEAT 81 81
DATE TUE 08/25/26 WED 08/26/26 THU 08/27/26 FRI 08/28/26
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 81 57 84 64 84 64 85
TEMP 57 59 81 74 61 61 82 77 67 68 82 77 68 68 83 78
DEWPT 54 54 55 56 58 59 61 62 64 66 68 68 67 67 67 67
PWIND DIR W NW NW S SE S SW NW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS CL CL FW FW FW FW SC B1 SC B1 B1 B1 B1 B1 B1 SC
POP 12HR 0 0 0 5 10 50 40 30
RAIN SHWRS S C C C
TSTMS S S S
VAZ506-222000-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
1100 AM EDT SAT AUG 22 2026
DATE SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 66 83 61 81
TEMP 73 77 77 73 70 68 67 68 77 81 81 74 67 63 61 63 75 79 79 73
DEWPT 70 72 71 71 70 68 67 68 68 65 63 63 61 60 58 59 61 59 57 57
RH 90 85 82 93100100100100 74 58 54 69 81 90 90 87 62 50 47 57
WIND DIR E E E E W SW SW W W W W NW NW NW W W W W NW NW
WIND SPD 4 5 5 4 2 1 2 4 10 10 10 6 4 3 3 3 9 10 10 6
CLOUDS OV B2 B2 B2 OV B2 B1 SC FW FW SC FW FW FW FW FW FW SC FW FW
POP 12HR 50 60 5 0 0
QPF 12HR 0.34 0.05 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C C C
TSTMS S C C
HEAT INDEX 83 82
MAX HEAT 83 84 81
DATE TUE 08/25/26 WED 08/26/26 THU 08/27/26 FRI 08/28/26
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 59 83 62 86 68 85 68 87
TEMP 61 61 81 76 64 65 83 79 70 70 83 78 70 70 84 79
DEWPT 56 56 59 60 61 63 67 68 68 69 73 72 70 70 73 72
PWIND DIR NW NW NW S S S S NW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW CL FW FW FW SC SC SC SC B1 B1 B2 B1 B1 SC B1
POP 12HR 0 0 0 5 30 60 50 30
RAIN SHWRS C S L C S C
TSTMS S S S S
VAZ037-222000-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
1100 AM EDT SAT AUG 22 2026
DATE SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 64 84 58 82
TEMP 72 78 78 72 69 68 66 66 77 82 82 72 66 61 58 60 76 81 81 71
DEWPT 68 69 69 69 69 68 66 65 62 57 56 56 56 56 55 57 55 54 52 54
RH 87 74 74 90100100100 97 60 43 41 57 70 84 90 90 48 39 37 55
WIND DIR NE E SE E N N SW W W W W NW NW W W W W W NW NW
WIND SPD 3 4 4 2 0 0 3 5 8 8 9 6 5 3 3 4 6 6 8 8
CLOUDS B2 B1 B1 B2 B2 B1 SC FW FW FW FW FW CL FW FW CL CL FW FW CL
POP 12HR 40 60 0 0 0
QPF 12HR 0.04 0.07 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S C L S
TSTMS S C C
OBVIS F F
HEAT INDEX 82 82 81
MAX HEAT 83 82 83 81 81
DATE TUE 08/25/26 WED 08/26/26 THU 08/27/26 FRI 08/28/26
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 57 83 61 85 66 84 67 86
TEMP 59 59 81 74 64 63 83 77 69 69 82 75 69 69 85 77
DEWPT 54 54 54 58 58 58 64 66 67 68 70 70 69 69 69 70
PWIND DIR NW SW E S SE S S S
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS CL FW FW FW FW SC SC SC SC B1 B1 B2 B1 B1 SC B1
POP 12HR 0 0 0 5 20 70 40 30
RAIN SHWRS S S C L C C
TSTMS C S S
MDZ003-222000-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
1100 AM EDT SAT AUG 22 2026
DATE SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 63 80 58 78
TEMP 74 79 77 72 68 66 65 65 74 79 77 70 63 60 58 60 72 77 76 68
DEWPT 66 69 69 68 68 66 65 65 65 63 62 61 60 59 57 59 60 58 58 57
RH 76 72 76 87100100100100 74 58 60 73 90 96 96 96 66 52 54 68
WIND DIR SE SE SE SE E SW SW W W W W W W W SW W W W W NW
WIND SPD 4 6 6 5 3 3 3 4 10 11 11 6 3 3 3 4 10 11 11 6
CLOUDS OV B2 B2 B1 OV B2 B2 SC FW SC SC CL FW FW SC FW FW SC FW FW
POP 12HR 40 90 5 5 0
QPF 12HR 0.03 0.20 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C D L C S
TSTMS S C C S
DATE TUE 08/25/26 WED 08/26/26 THU 08/27/26 FRI 08/28/26
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 56 81 59 84 65 84 66 85
TEMP 58 58 80 73 61 62 81 77 67 68 82 77 68 68 83 78
DEWPT 56 56 59 61 59 60 64 65 65 67 70 70 68 68 70 69
PWIND DIR W W NW SW SE S S NW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS CL CL FW FW FW SC FW B1 SC B1 B1 B1 B1 B1 SC SC
POP 12HR 0 0 0 5 10 50 40 20
RAIN SHWRS C C S S
TSTMS S S S
MDZ017-222000-
PATUXENT RIVER NAS MD
38.29N 76.41W ELEV. 39 FT
1100 AM EDT SAT AUG 22 2026
DATE SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 69 85 67 82
TEMP 75 77 77 74 72 71 70 71 79 83 83 76 73 69 67 69 77 80 81 74
DEWPT 71 72 71 72 71 71 70 70 69 66 65 66 65 62 61 62 61 60 59 62
RH 87 85 82 93 97100100 97 72 57 55 71 76 78 81 78 58 51 47 66
WIND DIR E E E SE SW W W W W W W W W NW NW NW W W W NW
WIND SPD 9 8 8 4 3 3 4 5 8 6 6 3 4 5 5 5 6 5 5 3
CLOUDS OV B2 OV B2 B1 B2 B1 B1 SC FW SC SC SC FW SC FW FW SC SC SC
POP 12HR 70 40 10 5 0
QPF 12HR 0.42 0.09 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L C C C C
TSTMS S C C S
HEAT INDEX 85 85 81 81
MAX HEAT 85 87 81 82
DATE TUE 08/25/26 WED 08/26/26 THU 08/27/26 FRI 08/28/26
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 82 68 84 72 84 71 85
TEMP 69 69 80 75 72 72 81 79 74 75 82 79 74 74 83 80
DEWPT 60 61 59 63 65 66 67 69 70 71 72 73 72 72 73 73
PWIND DIR NW NW SW S S S SW SW
WIND CHAR LT LT LT LT LT GN LT LT
AVG CLOUDS SC FW FW FW FW SC FW SC B1 B1 B1 B1 B1 B1 SC B1
POP 12HR 0 0 0 20 30 50 50 30
RAIN SHWRS S C C S C C C S C
TSTMS S S S S S
WVZ502-222000-
PETERSBURG WV
38.99N 79.15W ELEV. 963 FT
1100 AM EDT SAT AUG 22 2026
DATE SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 79 55 77
TEMP 75 81 78 70 66 63 61 62 73 79 75 67 61 57 55 57 71 77 74 66
DEWPT 67 68 69 68 66 63 61 62 62 59 59 57 57 56 54 55 56 54 53 54
RH 76 65 74 93100100100100 68 50 58 70 87 96 96 93 59 45 48 65
WIND DIR E SE SE S SW S SW SW W W W W W W SW W W W W W
WIND SPD 1 2 3 2 3 2 3 3 9 10 10 5 3 2 2 2 8 9 10 3
CLOUDS OV B2 B1 B2 B2 B1 B1 B1 SC SC FW FW FW SC B1 SC FW FW CL CL
POP 12HR 70 70 5 5 0
QPF 12HR 0.14 0.02 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C L L C
TSTMS S C C S
HEAT INDEX 84
MAX HEAT 84 85
DATE TUE 08/25/26 WED 08/26/26 THU 08/27/26 FRI 08/28/26
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 52 82 56 87 62 86 62 87
TEMP 54 54 81 70 58 58 84 75 64 64 83 75 65 65 84 77
DEWPT 52 52 56 58 55 55 62 64 62 63 68 68 65 65 68 67
PWIND DIR W NW W SW SW S SW NW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS CL FW CL FW FW SC FW SC SC B1 B1 B2 B1 SC SC B1
POP 12HR 0 0 0 10 10 60 30 30
RAIN SHWRS C L C C
TSTMS S S S
MDZ014-222000-
ANNAPOLIS MD
38.99N 76.49W ELEV. 7 FT
1100 AM EDT SAT AUG 22 2026
DATE SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 68 84 66 81
TEMP 76 77 78 75 72 70 69 70 79 84 84 78 72 68 66 68 77 81 81 76
DEWPT 68 68 68 69 70 70 69 68 67 64 62 61 62 60 59 59 58 57 56 57
RH 76 74 71 82 93100100 93 67 51 48 56 71 76 78 73 52 44 42 52
WIND DIR E E E E SE N W W W W W W W W W W W W W NW
WIND SPD 9 10 9 6 1 0 3 5 10 11 10 6 6 5 5 6 10 11 10 6
CLOUDS OV B2 B2 B2 B2 B2 B2 B1 SC FW SC FW FW FW SC FW FW SC FW FW
POP 12HR 50 60 5 5 0
QPF 12HR 0.43 0.27 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C C C S
TSTMS S C C S
HEAT INDEX 85 85 81 81
MAX HEAT 85 85 81 81
DATE TUE 08/25/26 WED 08/26/26 THU 08/27/26 FRI 08/28/26
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 65 82 67 85 71 85 71 86
TEMP 67 67 81 77 69 70 82 78 73 73 83 79 73 73 84 80
DEWPT 58 58 56 61 64 65 66 68 69 70 72 71 71 71 72 72
PWIND DIR NW W W S S S SW SW
WIND CHAR LT LT LT LT LT GN LT LT
AVG CLOUDS FW CL FW FW FW FW SC SC SC B1 B1 B1 B2 B1 SC B1
POP 12HR 0 0 0 10 30 50 60 30
RAIN SHWRS S C S C L C S C
TSTMS S S S C S
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