National Weather Service United States Department of Commerce

Heavy Rainfall Along the Eastern Seaboard; Dangerous Heat Wave Shifting East Next Week

Showers and thunderstorms may produce heavy to excessive rainfall along the east coast today. The associated rainfall will likely create localized areas of flash and urban flooding. An extremely dangerous heat wave will shift into portions of the central and eastern U.S. late this weekend, lasting through the next work week. Widespread daily record high temperatures are expected. Read More >


Location Sky/Weather Temp.
(°F)
Dewpt.
(°F)
Humidity
(%)
Wind
(mph)
Pressure
(in)
Remarks
Washington National Cloudy 83 71 67 S7 30.15R
Dulles Intl. Cloudy 79 71 76 S6 30.16R
BWI Airport Cloudy 81 72 74 E6 30.15R
Baltimore/Inner Harbor, MD Missing
82 72 71 MISG 30.15R
Charlottesville, VA Cloudy 76 69 79 N3 30.17S
Fredericksburg, VA Cloudy 78 77 96 CALM 30.14S
Staunton, VA Partly Sunny 77 65 68 SE7 30.20S
Winchester, VA Cloudy 79 64 61 SE10 30.15S
Annapolis, MD Cloudy 79 75 87 E5 30.15R
Hagerstown Airport, MD Partly Sunny 80 66 62 SE5 30.15S
Baltimore/Martin, MD Mostly Sunny 79 73 83 E3 30.16R
Martinsburg, WV Partly Sunny 80 67 64 SE9 30.13F
Petersburg, WV Mostly Sunny 88 63 43 S8 30.10S
Patuxent River, MD Cloudy 81 74 79 S5 30.16R
Cumberland, MD Partly Sunny 88 64 44 SE9 30.14R
Oakland, MD Sunny 84 59 42 SE5 30.21S
Hourly observations from: 600 PM EDT FRI JUL 12 2024
NZUS51 KLWX 122210
HRRLWX

HOURLY OBSERVATIONS AROUND THE LWX CWA
600 PM EDT FRI JUL 12 2024

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    83  71  67 S7        30.15R                  
BALT INNER HAR   N/A     82  72  71 MISG      30.15R                  


...WASHINGTON SUBURBS...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
DULLES         CLOUDY    79  71  76 S6        30.16R                  
MANASSAS*      CLOUDY    80  73  79 SW3       30.16F                  
LEESBURG*      CLOUDY    79  73  83 S5        30.18R                  
GAITHERSBURG*  LGT RAIN N/A N/A N/A SE7       30.18R                  
FT BELVOIR     CLOUDY    81  74  78 CALM      30.13S                  
QUANTICO       DRIZZLE   80  73  79 NW3       30.16S FOG              
ANDREWS AFB    PTSUNNY   79  72  77 CALM      30.14R                  
COLLEGE PARK*  CLOUDY    82  73  74 E3        30.16R                  

...CENTRAL VIRGINIA...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CULPEPER*      CLOUDY    80  69  70 CALM      30.17F                  
CHARLOTTESVILL CLOUDY    76  69  79 N3        30.17S                  
WARRENTON*     CLOUDY    80  71  73 CALM      30.17S                  
ORANGE*        CLOUDY    77  72  83 CALM      30.18F                  
FREDERICKSBRG* CLOUDY    78  77  96 CALM      30.14S                  
LOUISA*        LGT RAIN  76  73  88 N5        30.16F                  
ASHLAND        HVY RAIN  74  72  93 S7G17     30.17R FOG              
RICHMOND       TSTM      74  71  91 CALM      30.15F                  

...NORTHEAST/CENTRAL MARYLAND...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BWI AIRPORT    CLOUDY    81  72  74 E6        30.15R                  
ANNAPOLIS      CLOUDY    79  75  87 E5        30.15R                  
MARTIN AIRPORT MOSUNNY   79  73  83 E3        30.16R                  
FREDERICK*     CLOUDY    81  72  74 CALM      30.16R                  
FORT MEADE*    CLOUDY    79  72  78 SE3       30.18R                  

...SOUTHERN MARYLAND...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PATUXENT RIVER CLOUDY    81  74  79 S5        30.16R                  
ST MARYS CITY  CLOUDY    78  77  96 SE3       30.15S                  

...MARYLAND EASTERN SHORE...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SALISBURY      CLOUDY    74  74 100 SE5       30.18R                  
CAMBRIDGE*     MOSUNNY   75  73  94 SE5       30.16R                  
OCEAN CITY     CLOUDY    76  72  87 SE3       30.19S                  
BAY BRIDGE AP* CLOUDY    81  80  98 S5        30.15R HX  92           
EASTON*        PTSUNNY   77  75  94 S9        30.17R                  

...SHENANDOAH VALLEY...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MARTINSBURG    PTSUNNY   80  67  64 SE9       30.13F                  
HAGERSTOWN APT PTSUNNY   80  66  62 SE5       30.15S                  
STAUNTON*      PTSUNNY   77  65  68 SE7       30.20S                  
WINCHESTER*    CLOUDY    79  64  61 SE10      30.15S                  
NEW MARKET*    PTSUNNY   81  65  57 S7        30.15S                  
WAYNESBORO*    CLOUDY    74  67  78 E6        30.20S                  

...APPALACHIANS...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PETERSBURG WV* MOSUNNY   88  63  43 S8        30.10S                  
CUMBERLAND*    PTSUNNY   88  64  44 SE9       30.14R                  
OAKLAND*       SUNNY     84  59  42 SE5       30.21S                  
HOT SPRINGS*     N/A     74  67  79 SE5       30.28F                  
ELKINS         CLOUDY    83  63  50 VRB3      30.16R                  
BEDFORD PA*    MOSUNNY   84  62  46 S10G16    30.12R                  
JOHNSTOWN      MOSUNNY   86  55  34 W8        30.17S                  
ALTOONA        SUNNY     84  64  50 SE7       30.14S                  

...SOUTHERN PENNSYLVANIA/DELAWARE...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
YORK           CLOUDY    78  69  73 E5        30.16S                  
WILMINGTON     LGT RAIN  78  73  84 E6        30.15F                  

...MARINE OBSERVATIONS...
  
STATION/POSITION TIME  TEMP    WIND        PRES
                       AIR SEA DIR/SP/G
                 (UTC) (F)     (DEG/KT/KT) (MB)
THOMAS PT LIGHT  2200   79     130/ 11/ 13 1021.9R
TOLCHESTER       2130   78 85   70/  3/  6 1020.6R
COVE POINT       2130   78     140/ 10/ 12 1021.3R
GOOSES REEF      2148   76 82  140/ 10/ 12   N/A
BALT HARBOR      2130   80 85   90/  4/  7   N/A
BALT KEY BRIDGE  2130   79      80/  6/  9 1020.7R
ANNAPOLIS USNA   2130   79 87   90/  5/  7 1020.6R
ANNAPOLIS CBIBS  2148   78 83  160/  6/  6   N/A
WASH DC CHANNEL  2130   83 86   CALM  /  2 1020.9R
DAHLGREN         2130   80 86   CALM  /  2 1019.9F
LEWISETTA        2130   77 84  170/  5/  6 1021.1R
SOLOMONS ISLAND  2130   79 83  150/  7/ 10 1021.0R
PINEY POINT      2130          160/ 10/ 11   N/A
POTOMAC BUOY     2148   76 81  150/  8/ 12   N/A
CAMBRIDGE PIER   2130   75 83  180/  6/ 10 1021.7R
BISHOPS HEAD     2130   78 82  150/ 13/ 17 1021.5R
CHESAPEAKE CITY  2130   78 86   90/  3/  4 1020.6F

  

 

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