The weather observed at (KNAK) at 10:54 AM UTC was: The skies were clear. Temperature: 21F ( -6C) Dewpoint: 9F (-13C) Relative Humidity: 58% Winds from the W (280 degs) at 12 mph. Pressure: 1026.6 millibars. Altimeter:30.31 inches of mercury. The prevailing visibility was 10 miles. The weather observed at WILMINGTON, DE (KILG) at 05:51 AM EST was: The skies were clear. Temperature: 21F ( -6C) Dewpoint: 7F (-14C) Relative Humidity: 54% Winds were not reported. Pressure: 1024.0 millibars. Altimeter:30.24 inches of mercury. The prevailing visibility was 10 miles. The weather observed at WASHINGTON DC, VA (KDCA) at 05:52 AM EST was: The skies were clear. Temperature: 25F ( -4C) Dewpoint: 7F (-14C) Relative Humidity: 46% Winds from the WNW(290 degs) at 10 mph. Pressure: 1027.5 millibars. Altimeter:30.35 inches of mercury. The prevailing visibility was 10 miles. The weather observed at WASHINGTON DC, VA (KIAD) at 05:52 AM EST was: The skies were clear. Temperature: 19F ( -7C) Dewpoint: 7F (-14C) Relative Humidity: 57% Winds from the NW (300 degs) at 12 mph. Pressure: 1027.7 millibars. Altimeter:30.34 inches of mercury. The prevailing visibility was 10 miles. The weather observed at FORT BELVOIR/DAV, VA (KDAA) at 05:55 AM EST was: The skies were clear. Temperature: 22F ( -5C) Dewpoint: 7F (-14C) Relative Humidity: 50% Winds from the NW (300 degs) at 9 mph. Pressure: 1027.8 millibars. Altimeter:30.34 inches of mercury. The prevailing visibility was 10 miles. The weather observed at FREDERICKSB/SHAN, VA (KEZF) at 05:55 AM EST was: The skies were clear. Temperature: 23F ( -5C) Dewpoint: 7F (-14C) Relative Humidity: 50% Winds from the NW (310 degs) at 10 mph. Altimeter:30.35 inches of mercury. The weather observed at MANASSAS MUNI, VA (KHEF) at 05:56 AM EST was: The skies were clear. Temperature: 20F ( -7C) Dewpoint: 8F (-13C) Relative Humidity: 59% Winds from the NW (320 degs) at 8 mph. Pressure: 1029.3 millibars. Altimeter:30.37 inches of mercury. The prevailing visibility was 10 miles. The weather observed at LEESBURG/GODFREY, VA (KJYO) at 05:55 AM EST was: The skies were clear. Temperature: 21F ( -6C) Dewpoint: 10F (-12C) Relative Humidity: 63% Winds from the NW (300 degs) at 9 mph. Altimeter:30.35 inches of mercury. The prevailing visibility was 10 miles. The weather observed at RICHMOND, VA (KRIC) at 05:54 AM EST was: The skies were clear. Temperature: 21F ( -6C) Dewpoint: 7F (-14C) Relative Humidity: 53% Winds from the NW (330 degs) at 7 mph. Pressure: 1028.7 millibars. Altimeter:30.36 inches of mercury. The prevailing visibility was 10 miles. The weather observed at MARTINSBURG, WV (KMRB) at 05:53 AM EST was: The skies were clear. Temperature: 19F ( -7C) Dewpoint: 3F (-16C) Relative Humidity: 49% Winds from the NW (300 degs) at 21 mph. Pressure: 1027.4 millibars. Altimeter:30.32 inches of mercury. The prevailing visibility was 10 miles. The weather observed at CHARLOTTESVILLE, VA (KCHO) at 05:53 AM EST was: The skies were clear. Temperature: 19F ( -7C) Dewpoint: 3F (-16C) Relative Humidity: 49% Winds from the NW (320 degs) at 3 mph. Pressure: 1028.2 millibars. Altimeter:30.35 inches of mercury. The prevailing visibility was 10 miles. The weather observed at QUANTICO MCAF, VA (KNYG) at 05:56 AM EST was: The skies were clear. Temperature: 23F ( -5C) No dewpoint reported. No relative humidity reported. Winds from the NW (310 degs) at 13 mph. Pressure: 1028.6 millibars. Altimeter:30.37 inches of mercury. The prevailing visibility was 10 miles. The weather observed at WALLOPS ISLAND, VA (KWAL) at 05:54 AM EST was: The skies were clear. Temperature: 23F ( -5C) Dewpoint: 9F (-13C) Relative Humidity: 53% Winds from the NW (310 degs) at 10 mph. Pressure: 1025.8 millibars. Altimeter:30.30 inches of mercury. The prevailing visibility was 10 miles. The weather observed at HARRISBURG, PA (KCXY) at 05:56 AM EST was: The skies were clear. Temperature: 19F ( -7C) Dewpoint: 7F (-14C) Relative Humidity: 57% Winds from the W (280 degs) at 9 mph. Pressure: 1025.7 millibars. Altimeter:30.27 inches of mercury. The prevailing visibility was 10 miles. The weather observed at ANDREWS AFB, MD (KADW) at 05:55 AM EST was: The skies were clear. Temperature: 22F ( -6C) Dewpoint: 6F (-14C) Relative Humidity: 51% Winds from the NW (300 degs) at 16 mph. Pressure: 1027.1 millibars. Altimeter:30.30 inches of mercury. The prevailing visibility was 10 miles. The weather observed at ABERDEEN/PHILLIP, MD (KAPG) at 05:55 AM EST was: The skies were clear. Temperature: 19F ( -7C) Dewpoint: 7F (-14C) Relative Humidity: 57% Winds from the W (280 degs) at 7 mph. Altimeter:30.28 inches of mercury. The prevailing visibility was 10 miles. The weather observed at BALTO/WASH INTL, MD (KBWI) at 05:54 AM EST was: The skies were clear. Temperature: 19F ( -7C) Dewpoint: 7F (-14C) Relative Humidity: 57% Winds from the W (270 degs) at 12 mph. Pressure: 1026.3 millibars. Altimeter:30.31 inches of mercury. The prevailing visibility was 10 miles. The weather observed at BALTIMORE/DWNTWN, MD (KDMH) at 05:53 AM EST was: The skies were unobserved. Temperature: 23F ( -5C) Dewpoint: 7F (-14C) Relative Humidity: 49% Winds were not reported. Pressure: 1026.7 millibars. Altimeter:30.32 inches of mercury. The weather observed at FORT MEADE, MD (KFME) at 05:49 AM EST was: The skies were clear. Temperature: 19F ( -7C) Dewpoint: 9F (-13C) Relative Humidity: 62% Winds from the W (280 degs) at 8 mph. Altimeter:30.34 inches of mercury. The prevailing visibility was 10 miles. The weather observed at HAGERSTOWN, MD (KHGR) at 05:53 AM EST was: The skies were clear. Temperature: 18F ( -8C) Dewpoint: 5F (-15C) Relative Humidity: 56% Winds from the WNW(290 degs) at 10 mph. Pressure: 1028.4 millibars. Altimeter:30.31 inches of mercury. The prevailing visibility was 10 miles. The weather observed at BALTIMORE/MARTIN, MD (KMTN) at 05:50 AM EST was: The skies were clear. Temperature: 23F ( -5C) Dewpoint: 10F (-12C) Relative Humidity: 58% Winds from the W (260 degs) at 12 mph. Altimeter:30.31 inches of mercury. The prevailing visibility was 10 miles. The weather observed at PATUXENT RIVER, MD (KNHK) at 05:52 AM EST was: The skies were clear. Temperature: 24F ( -4C) Dewpoint: 8F (-13C) Relative Humidity: 50% Winds from the W (280 degs) at 16 mph. Pressure: 1026.8 millibars. Altimeter:30.32 inches of mercury. The prevailing visibility was 10 miles. The weather observed at SALISBURY, MD (KSBY) at 05:54 AM EST was: The skies were clear. Temperature: 21F ( -6C) Dewpoint: 9F (-13C) Relative Humidity: 58% Winds from the NW (300 degs) at 12 mph. Pressure: 1025.8 millibars. Altimeter:30.29 inches of mercury. The prevailing visibility was 10 miles.