Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >
| Location | Sky/Weather | Temp. (°F) |
Dewpt. (°F) |
Humidity (%) |
Wind (mph) |
Pressure (in) |
Remarks |
| Washington National | Mostly Cloudy | 73 | 67 | 81 | S9 | 30.23S | |
| Dulles Intl. | Partly Cloudy | 70 | 63 | 78 | S7 | 30.23F | |
| BWI Airport | Partly Cloudy | 71 | 65 | 81 | SW3 | 30.22S | |
| Baltimore/Inner Harbor, MD | Missing |
74 | 65 | 73 | MISG | 30.23S | |
| Charlottesville, VA | Clear | 66 | 65 | 96 | CALM | 30.25F | |
| Fredericksburg, VA | Drizzle | Missing |
Missing |
Missing |
CALM | 30.23S | |
| Staunton, VA | Clear | 61 | 60 | 95 | CALM | 30.29S | |
| Winchester, VA | Partly Cloudy | 66 | 61 | 82 | SW5 | 30.22S | |
| Annapolis, MD | Partly Cloudy | 73 | 66 | 78 | CALM | 30.22F | |
| Hagerstown Airport, MD | Partly Cloudy | 71 | 62 | 73 | SE6 | 30.22F | |
| Baltimore/Martin, MD | Cloudy | 74 | 65 | 74 | SW3 | 30.24F | |
| Martinsburg, WV | Partly Cloudy | 64 | 63 | 96 | CALM | 30.21S | |
| Petersburg, WV | Clear | 62 | 62 | 100 | CALM | 30.23S | |
| Patuxent River, MD | Clear | 72 | 66 | 81 | SW8 | 30.24R | |
| Cumberland, MD | Partly Cloudy | 65 | 63 | 94 | NE5 | 30.27R | |
| Oakland, MD | Partly Cloudy | 64 | 57 | 77 | S6 | 30.30S |
NZUS51 KLWX 090511
HRRLWX
HOURLY OBSERVATIONS AROUND THE LWX CWA
100 AM EDT WED SEP 09 2026
Note: "FAIR" indicates few or no clouds below 12,000 feet
with no significant weather and/or obstructions to visibility.
* =Non NWS site. Station does not report significant weather
and/or obstructions to visibility.
...DOWNTOWN AREAS...
CITY SKY/WX TMP DP RH WIND PRES REMARKS
WASHINGTON NAT MOCLDY 73 67 81 S9 30.23S
BALT INNER HAR N/A 74 65 73 MISG 30.23S
...WASHINGTON SUBURBS...
CITY SKY/WX TMP DP RH WIND PRES REMARKS
DULLES PTCLDY 70 63 78 S7 30.23F
MANASSAS* PTCLDY 64 64 100 CALM 30.25S
LEESBURG* PTCLDY 72 64 78 S6 30.25S
GAITHERSBURG* PTCLDY 67 66 97 SW3 30.25F
FT BELVOIR PTCLDY 67 65 95 CALM 30.20S
QUANTICO CLEAR 70 65 84 W5 30.25R
ANDREWS AFB PTCLDY 70 65 84 SW8 30.21S
COLLEGE PARK* PTCLDY 68 65 91 CALM 30.23F
...CENTRAL VIRGINIA...
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CULPEPER* PTCLDY 64 62 93 CALM 30.26S
CHARLOTTESVILL CLEAR 66 65 96 CALM 30.25F
WARRENTON* PTCLDY 62 59 91 CALM 30.25S
ORANGE* N/A 63 63 100 CALM 30.25S
GORDONSVILLE* CLEAR 64 64 99 CALM 30.25S
FREDERICKSBRG* DRIZZLE N/A N/A N/A CALM 30.23S
LOUISA* CLEAR 62 61 94 CALM 30.26F
ASHLAND CLEAR 67 63 87 CALM 30.28R
RICHMOND PTCLDY 67 61 81 S6 30.27R
...NORTHEAST/CENTRAL MARYLAND...
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BWI AIRPORT PTCLDY 71 65 81 SW3 30.22S
ANNAPOLIS PTCLDY 73 66 78 CALM 30.22F
MARTIN AIRPORT CLOUDY 74 65 74 SW3 30.24F
WESTMINSTER* PTCLDY 70 63 78 S3 30.24S
FREDERICK* PTCLDY 64 64 100 CALM 30.24S
...SOUTHERN MARYLAND...
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PATUXENT RIVER CLEAR 72 66 81 SW8 30.24R
ST MARYS CITY PTCLDY 73 66 78 S10 30.22S
...MARYLAND EASTERN SHORE...
CITY SKY/WX TMP DP RH WIND PRES REMARKS
SALISBURY PTCLDY 67 64 90 CALM 30.26S
CAMBRIDGE* CLEAR 70 66 88 CALM 30.24S
OCEAN CITY PTCLDY 70 65 84 W6 30.26S
BAY BRIDGE AP* PTCLDY 75 68 79 S5 30.23S
EASTON* PTCLDY 70 66 87 S3 30.23S
...SHENANDOAH VALLEY...
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MARTINSBURG PTCLDY 64 63 96 CALM 30.21S
HAGERSTOWN APT PTCLDY 71 62 73 SE6 30.22F
STAUNTON* CLEAR 61 60 95 CALM 30.29S
WINCHESTER* PTCLDY 66 61 82 SW5 30.22S
NEW MARKET* CLEAR 63 62 96 CALM 30.25S
WAYNESBORO* CLEAR 65 58 79 CALM 30.28S
...APPALACHIANS...
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PETERSBURG WV* CLEAR 62 62 100 CALM 30.23S
CUMBERLAND* PTCLDY 65 63 94 NE5 30.27R
OAKLAND* PTCLDY 64 57 77 S6 30.30S
HOT SPRINGS* N/A 65 59 80 S9 30.38S
ELKINS CLEAR 59 59 100 CALM 30.30S FOG
BEDFORD PA* PTCLDY N/A N/A N/A CALM 30.25R
JOHNSTOWN PTCLDY 65 60 84 SW5 30.27S
ALTOONA PTCLDY 61 60 97 CALM 30.25S FOG
...SOUTHERN PENNSYLVANIA/DELAWARE...
CITY SKY/WX TMP DP RH WIND PRES REMARKS
WILMINGTON PTCLDY 70 64 81 S3 30.24S
...MARINE OBSERVATIONS...
STATION/POSITION TIME TEMP WIND PRES
AIR SEA DIR/SP/G
(UTC) (F) (DEG/KT/KT) (MB)
THOMAS PT LIGHT 0500 76 210/ 11/ 12 1024.4F
TOLCHESTER 0424 74 81 140/ 3/ 4 1023.5
COVE POINT 0424 74 170/ 10/ 12 1024.9
GOOSES REEF 0448 74 80 220/ 10/ 12 N/A
BALT HARBOR 0424 74 81 230/ 2/ 3 N/A
BALT KEY BRIDGE 0424 74 210/ 6/ 8 1023.6
ANNAPOLIS USNA 0424 77 80 240/ 1/ 4 1023.1
ANNAPOLIS CBIBS 0448 74 80 220/ 8/ 10 N/A
WASH DC CHANNEL 0424 75 82 200/ 4/ 5 1023.1
DAHLGREN 0430 74 82 230/ 6/ 8 1023.2R
LEWISETTA 0430 74 82 220/ 9/ 13 1024.1S
SOLOMONS ISLAND 0424 75 83 220/ 9/ 10 1024.0
PINEY POINT 0430 190/ 11/ 13 N/A
POTOMAC BUOY 0448 75 81 210/ 14/ 17 N/A
CAMBRIDGE PIER 0424 74 82 190/ 4/ 5 1024.3
BISHOPS HEAD 0424 79 80 200/ 14/ 16 1024.2
CHESAPEAKE CITY 0424 69 80 CALM 1023.8
For past hours' observations from around the NWS Sterling Area, please visit:
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