National Weather Service United States Department of Commerce

Location Sky/Weather Temp.
(°F)
Dewpt.
(°F)
Humidity
(%)
Wind
(mph)
Pressure
(in)
Remarks
Washington National Cloudy 46 38 73 W9 29.91S
Dulles Intl. Mostly Cloudy 42 39 89 W5 29.91S
BWI Airport Mostly Cloudy 40 37 89 W6 29.88S
Charlottesville, VA Fair 39 36 89 CALM 29.90F
Fredericksburg, VA Fair 38 38 100 SW3 29.93R
Staunton, VA Fair 30 30 100 CALM 29.94R
Winchester, VA Fair 39 34 81 NW5 29.93R
Annapolis, MD Cloudy 43 36 76 W6 29.89S
Hagerstown Airport, MD Mostly Cloudy 45 37 73 N6 29.89S
Baltimore/Martin, MD Cloudy 43 39 87 SW3 29.89S
Martinsburg, WV Mostly Cloudy 44 36 73 NW8 29.90R
Patuxent River, MD Cloudy 45 41 86 W10 29.91R
Cumberland, MD Fair 44 34 68 NW8 29.97R
Hourly observations from: 200 AM EST MON DEC 17 2018
NZUS51 KLWX 170711
HRRLWX

HOURLY OBSERVATIONS AROUND THE LWX CWA
200 AM EST MON DEC 17 2018

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    46  38  73 W9        29.91S                  
MD SCIENCE CTR   N/A     42  36  79 MISG      29.89S                  


...WASHINGTON SUBURBS...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
DULLES         MOCLDY    42  39  89 W5        29.91S                  
MANASSAS*      FAIR      36  36 100 S6        29.92S WCI  31          
LEESBURG*      MOCLDY    43  37  81 N6        29.91S                  
GAITHERSBURG*  CLOUDY    42  38  85 W12       29.89S                  
FT BELVOIR     CLOUDY    42  40  90 CALM      29.91S                  
QUANTICO       FAIR      41  40  96 W3        29.93S                  
ANDREWS AFB    CLOUDY    42  37  84 W3        29.89S                  
COLLEGE PARK*  CLOUDY    39  38  94 CALM      29.90S                  

...CENTRAL VIRGINIA...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CULPEPER*      FAIR      34  33  95 CALM      29.93S FOG              
CHARLOTTESVILL FAIR      39  36  89 CALM      29.90F                  
WARRENTON*     FAIR      36  33  89 CALM      29.91S                  
ORANGE*        FAIR      32  32 100 CALM      29.92S                  
GORDONSVILLE*  FOG       33  33 100 CALM      29.92S VSB 1            
STAFFORD*      FOG       37  37 100 CALM      29.97R VSB 1            
FREDERICKSBRG* FAIR      38  38 100 SW3       29.93R                  
LOUISA*        FAIR      31  31 100 SE5       29.96F WCI  26          
ASHLAND        FOG       35  33  92 CALM      29.95F VSB 1            
RICHMOND       FAIR      35  33  92 SW3       29.95R                  

...NORTHEAST/CENTRAL MARYLAND...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BWI AIRPORT    MOCLDY    40  37  89 W6        29.88S                  
ANNAPOLIS      CLOUDY    43  36  76 W6        29.89S                  
MARTIN AIRPORT CLOUDY    43  39  87 SW3       29.89S                  
WESTMINSTER*   CLOUDY    39  37  93 W3        29.86S                  
FREDERICK*     CLOUDY    45  39  81 W5        29.93R                  
FORT MEADE*    CLOUDY    37  37 100 CALM      29.92S                  

...SOUTHERN MARYLAND...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PATUXENT RIVER CLOUDY    45  41  86 W10       29.91R                  
ST MARYS CITY  CLOUDY    43  39  86 W7        29.90S                  
LEONARDTOWN*   CLOUDY    41  37  87 W3        29.92R                  

...MARYLAND EASTERN SHORE...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SALISBURY      CLOUDY    42  39  89 NW9G18    29.87R                  
CAMBRIDGE*     PTCLDY    41  37  87 W6        29.89R                  
OCEAN CITY     CLOUDY    41  38  89 VRB7G18   29.86R                  
BAY BRIDGE AP* CLOUDY    41  39  93 NW9       29.89S                  
EASTON*        MOCLDY    42  38  87 W8        29.92S                  

...SHENANDOAH VALLEY...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MARTINSBURG    MOCLDY    44  36  73 NW8       29.90R                  
HAGERSTOWN APT MOCLDY    45  37  73 N6        29.89S                  
STAUNTON*      FAIR      30  30 100 CALM      29.94R                  
WINCHESTER*    FAIR      39  34  81 NW5       29.93R                  
FRONT ROYAL*   FAIR      41  36  81 MISG      29.90S                  
LURAY*         FAIR      34  34 100 CALM        N/A                   
NEW MARKET*    FAIR      32  32  98 CALM      29.91S                  
WAYNESBORO*    FAIR      44  36  74 W6        29.91F                  

...APPALACHIANS...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CUMBERLAND*    FAIR      44  34  68 NW8       29.97R                  
OAKLAND*       CLOUDY    32  32 100 W13G18    29.91R WCI  22          
HOT SPRINGS*   CLOUDY    37  37 100 W21G29    29.92S WCI  26          
ELKINS         CLOUDY    39  32  76 VRB5      30.01S                  
BEDFORD PA*    MOCLDY    40  32  71 W10       29.90S WCI  34          
JOHNSTOWN      CLOUDY    37  34  89 W13G23    29.88S WCI  29          
ALTOONA        FAIR      40  32  73 W14       29.89R WCI  32          

...SOUTHERN PENNSYLVANIA/DELAWARE...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
YORK           CLOUDY    39  37  92 CALM      29.87S                  
WILMINGTON     CLOUDY    40  37  89 W8        29.85S WCI  34          

...MARINE OBSERVATIONS...
  
STATION/POSITION TIME  TEMP    WIND        PRES
                       AIR SEA DIR/SP/G
                 (UTC) (F)     (DEG/KT/KT) (MB)
THOMAS PT LIGHT  0700   41 43  280/  8/ 10 1013.0R
COVE POINT       0642   41     320/  8/ 11 1013.1R
BALT KEY BRIDGE  0642   41     270/  7/  8 1011.8F
LEWISETTA        0642          300/  8/ 10 1012.8R
SOLOMONS ISLAND  0648   42 44  290/  4/  7 1012.5R
PINEY POINT      0642          320/ 12/ 12   N/A

  

 

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