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Hazardous Weather Conditions

Current conditions at

Melfa / Accomack Airport (KMFV)

Lat: 37.65°NLon: 75.77°WElev: 49ft.

Fair

75°F

24°C

Humidity 94%
Wind Speed SW 3 mph
Barometer 30.04 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 3 Jul 2:55 am EDT
Extended Forecast for

Onancock VA

Extreme Heat Warning July 3, 10:00am until July 4, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Overnight

    Overnight: Clear, with a low around 78. Southwest wind around 7 mph.

    Low: 78 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 98. Heat index values as high as 110. West wind 5 to 7 mph.

    High: 98 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 80. South wind around 7 mph.

    Low: 80 °F

    Mostly Clear

  • Independence Day

    Independence Day: Sunny and hot, with a high near 97. Heat index values as high as 107. West wind around 6 mph.

    High: 97 °F

    Hot

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 78. South wind 3 to 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 78 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 77. Chance of precipitation is 40%.

    Low: 77 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A chance of showers after 2pm. Partly sunny, with a high near 93. Chance of precipitation is 30%.

    High: 93 °F

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 76. Chance of precipitation is 50%.

    Low: 76 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Clear, with a low around 78. Southwest wind around 7 mph.
Friday
Sunny and hot, with a high near 98. Heat index values as high as 110. West wind 5 to 7 mph.
Friday Night
Mostly clear, with a low around 80. South wind around 7 mph.
Independence Day
Sunny and hot, with a high near 97. Heat index values as high as 107. West wind around 6 mph.
Saturday Night
A chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 78. South wind 3 to 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Sunny, with a high near 93.
Sunday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 77. Chance of precipitation is 40%.
Monday
A chance of showers after 2pm. Partly sunny, with a high near 93. Chance of precipitation is 30%.
Monday Night
A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 76. Chance of precipitation is 50%.
Tuesday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Chance of precipitation is 40%.
Wednesday
Mostly sunny, with a high near 90.
Wednesday Night
Partly cloudy, with a low around 74.
Thursday
Mostly sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Onancock VA
 37.7°N 75.75°W (Elev. 20 ft)
Last Update:
2:46 am EDT Jul 3, 2026
Forecast Valid:
3am EDT Jul 3, 2026-6pm EDT Jul 9, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation