National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Melfa / Accomack Airport (KMFV)

Lat: 37.65°NLon: 75.77°WElev: 49ft.

Fog/Mist

74°F

23°C

Humidity 95%
Wind Speed Calm
Barometer 29.90 in
Dewpoint 73°F (23°C)
Visibility 5.00 mi
Last update 19 Aug 2:15 am EDT
Extended Forecast for

Onancock VA

  • Overnight

    Overnight: Partly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 88. Light and variable wind becoming northwest 5 to 7 mph in the morning.

    High: 88 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 75. South wind 3 to 5 mph.

    Low: 75 °F

    Partly Cloudy

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Sunny, then becoming mostly cloudy during the afternoon, with a high near 86. South wind 5 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 86 °F

    Mostly Sunny
    then T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 8pm. Low around 72. Southeast wind around 5 mph becoming light and variable after midnight. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 72 °F

    T-storms then
    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms after 8am. Mostly cloudy, with a high near 82. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Showers
    Likely then
    Chance
    T-storms

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm, then showers after 2am. Low around 69. Chance of precipitation is 80%.

    Low: 69 °F

    Showers

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 2pm. High near 83. Chance of precipitation is 80%.

    High: 83 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 50%.

    Low: 70 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 74. Calm wind.
Wednesday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 88. Light and variable wind becoming northwest 5 to 7 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 75. South wind 3 to 5 mph.
Thursday
Showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Sunny, then becoming mostly cloudy during the afternoon, with a high near 86. South wind 5 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 8pm. Low around 72. Southeast wind around 5 mph becoming light and variable after midnight. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms after 8am. Mostly cloudy, with a high near 82. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely and possibly a thunderstorm, then showers after 2am. Low around 69. Chance of precipitation is 80%.
Saturday
Showers, with thunderstorms also possible after 2pm. High near 83. Chance of precipitation is 80%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 50%.
Sunday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Monday
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 69.
Tuesday
Mostly sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Onancock VA
 37.72°N 75.75°W (Elev. 16 ft)
Last Update:
8:01 pm EDT Aug 18, 2026
Forecast Valid:
2am EDT Aug 19, 2026-6pm EDT Aug 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation