A rare winter storm impacting the Southern U.S. will move offshore Wednesday morning. Behind the storm, arctic air will continue encompassing the eastern two-thirds of the Nation with only a slow return to normal temperatures expected by the end of the week. Moderate to strong Santa Ana winds and low humidity will maintain Critical fire weather conditions in southern California into Thursday. Read More >
| Location | Sky/Weather | Temp. (°F) |
Dewpt. (°F) |
Humidity (%) |
Wind (mph) |
Pressure (in) |
Remarks |
| Washington National | Cloudy | 19 | 2 | 47 | N14 | 30.50F | WCI6 |
| Dulles Intl. | Partly Cloudy | 15 | 1 | 53 | N7 | 30.48F | WCI5 |
| BWI Airport | Mostly Cloudy | 12 | 2 | 64 | NW5 | 30.49F | WCI4 |
| Baltimore/Inner Harbor, MD | Missing |
18 | 0 | 45 | MISG | 30.51F | |
| Charlottesville, VA | Mostly Cloudy | 14 | -2 | 49 | N5 | 30.43F | WCI6 |
| Annapolis, MD | Mostly Cloudy | 19 | 5 | 54 | NW12 | 30.48F | WCI7 |
| Hagerstown Airport, MD | Cloudy | 7 | -3 | 64 | N5 | 30.47S | WCI-2 |
| Baltimore/Martin, MD | Mostly Cloudy | 12 | 5 | 73 | NW5 | 30.52F | WCI4 |
| Martinsburg, WV | Clear | 8 | -3 | 61 | N8 | 30.47F | WCI-4 |
| Patuxent River, MD | Cloudy | 23 | 3 | 42 | N13 | 30.47F | WCI11 |
| Cumberland, MD | Partly Cloudy | 5 | -5 | 62 | N5 | 30.52S | WCI-4 |
| Oakland, MD | Mostly Cloudy | -8 | -9 | 92 | CALM | 30.21S |
NZUS51 KLWX 220910
HRRLWX
HOURLY OBSERVATIONS AROUND THE LWX CWA
400 AM EST WED JAN 22 2025
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 CLOUDY 19 2 47 N14 30.50F WCI 6
BALT INNER HAR N/A 18 0 45 MISG 30.51F
...WASHINGTON SUBURBS...
CITY SKY/WX TMP DP RH WIND PRES REMARKS
DULLES PTCLDY 15 1 53 N7 30.48F WCI 5
MANASSAS* MOCLDY 13 3 64 N10 30.51S WCI 0
GAITHERSBURG* PTCLDY 6 -2 69 CALM 30.47F
FT BELVOIR MOCLDY 18 -1 45 NW7 30.48F WCI 8
QUANTICO MOCLDY 19 N/A N/A N15G22 30.52S WCI 5
ANDREWS AFB MOCLDY 17 1 48 N13 30.46F WCI 4
COLLEGE PARK* MOCLDY 16 1 52 NW8 30.51F WCI 5
...CENTRAL VIRGINIA...
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHARLOTTESVILL MOCLDY 14 -2 49 N5 30.43F WCI 6
ASHLAND CLOUDY 18 9 68 CALM 30.47F
RICHMOND CLOUDY 18 11 74 NE6 30.46S WCI 10
...NORTHEAST/CENTRAL MARYLAND...
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BWI AIRPORT MOCLDY 12 2 64 NW5 30.49F WCI 4
ANNAPOLIS MOCLDY 19 5 54 NW12 30.48F WCI 7
MARTIN AIRPORT MOCLDY 12 5 73 NW5 30.52F WCI 4
WESTMINSTER* PTCLDY 9 0 66 CALM 30.43F
FREDERICK* N/A N/A N/A N/A MISG N/A
FORT MEADE* MOCLDY 12 5 73 CALM 30.52F
...SOUTHERN MARYLAND...
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PATUXENT RIVER CLOUDY 23 3 42 N13 30.47F WCI 11
ST MARYS CITY CLOUDY 20 8 60 N7 30.46F WCI 11
...MARYLAND EASTERN SHORE...
CITY SKY/WX TMP DP RH WIND PRES REMARKS
SALISBURY CLOUDY 16 6 65 N3 30.48R
CAMBRIDGE* CLEAR 18 5 57 N7 30.48F WCI 8
BAY BRIDGE AP* CLOUDY 19 2 48 MISG 30.49F
EASTON* CLOUDY 15 5 63 N3 30.47F
...SHENANDOAH VALLEY...
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MARTINSBURG CLEAR 8 -3 61 N8 30.47F WCI -4
HAGERSTOWN APT CLOUDY 7 -3 64 N5 30.47S WCI -2
...APPALACHIANS...
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CUMBERLAND* PTCLDY 5 -5 62 N5 30.52S WCI -4
OAKLAND* MOCLDY -8 -9 92 CALM 30.21S
ELKINS FLURRIES 2 -2 83 N5 30.35F WCI -8
BEDFORD PA* CLEAR -10 -16 75 CALM 30.44S
JOHNSTOWN CLEAR -9 -13 83 NW7 30.28F WCI -24
ALTOONA CLEAR -2 -12 62 CALM 30.39S
...SOUTHERN PENNSYLVANIA/DELAWARE...
CITY SKY/WX TMP DP RH WIND PRES REMARKS
YORK CLEAR -13 -16 86 CALM 30.47F
WILMINGTON PTCLDY 9 -2 61 NW6 30.50F WCI -1
...MARINE OBSERVATIONS...
STATION/POSITION TIME TEMP WIND PRES
AIR SEA DIR/SP/G
(UTC) (F) (DEG/KT/KT) (MB)
THOMAS PT LIGHT 0900 19 310/ 14/ 16 1033.0F
TOLCHESTER 0830 18 340/ 12/ 14 1033.1F
COVE POINT 0830 21 360/ 16/ 22 1031.8F
GOOSES REEF 0848 20 350/ 23/ 29 N/A
BALT HARBOR 0830 18 35 330/ 5/ 8 N/A
BALT KEY BRIDGE 0830 18 330/ 14/ 17 1033.1F
ANNAPOLIS USNA 0830 19 34 310/ 8/ 10 1033.0F
ANNAPOLIS CBIBS 0848 17 33 320/ 17/ 25 N/A
WASH DC CHANNEL 0830 19 33 10/ 5/ 9 1033.5F
DAHLGREN 0830 19 32 360/ 3/ 7 1031.7F
LEWISETTA 0830 21 32 10/ 8/ 14 1032.1R
SOLOMONS ISLAND 0830 20 35 350/ 12/ 15 1031.9F
PINEY POINT 0830 30/ 8/ 12 N/A
POTOMAC BUOY 0848 20 350/ 16/ 21 N/A
CAMBRIDGE PIER 0830 18 31 10/ 8/ 10 1032.7F
BISHOPS HEAD 0830 18 30 10/ 9/ 13 1032.2R
CHESAPEAKE CITY 0830 12 32 CALM / 1 1033.0F
For past hours' observations from around the NWS Sterling Area, please visit:
https://forecast.weather.gov/product.php?site=LWX&issuedby=LWX&product=RWR&format=CI&version=1
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