Marine Weather Net

Onancock, VA Weather Forecast




Onancock, Virginia

 Lat: 37.71N, Lon: 75.74W

Current Conditions Updated: 755 PM EDT SAT JUL 18 2026

Clear


Temp: 79°F
  • Humidity:
  • 79%
  • Winds:
  • 9 MPH W
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.85 in.
  • Dewpoint:
  • 72°F
  • Heat index:
  • 82°F

  • Sunrise:
  • 5:54 AM EDT
  • Sunset:
  • 8:21 PM EDT
  • Moonrise:
  • 10:42 AM EDT
  • Moonset:
  • 11:01 PM EDT

TONIGHT

CHANCE OF SHOWERS
Lo: 79°F
Precip: 50%

SUNDAY

PARTLY SUNNY
Hi: 89°F
Lo: 71°F
Precip: 20%

MONDAY

PARTLY SUNNY
Hi: 85°F
Lo: 75°F
Precip: 20%

TUESDAY

CHANCE OF SHOWERS
Hi: 89°F
Lo: 72°F
Precip: 70%
Weather Forecast In Detail:
Forecast Issued: 645 PM EDT Sat Jul 18 2026

HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING ...SEVERE THUNDERSTORM WATCH 496 IN EFFECT UNTIL 9 PM EDT THIS EVENING...
Tonight...Mostly cloudy with a chance of showers and thunderstorms. Breezy with lows in the upper 70s. Southwest winds 15 to 20 mph. Chance of rain 50 percent. Heat index values up to 102 early this evening.
Sunday...Partly sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. Northwest winds 5 to 10 mph. Gusts up to 20 mph in the morning. Chance of rain 20 percent.
Sunday Night...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the lower 70s. Northeast winds around 5 mph. Chance of rain 20 percent.
Monday...Partly sunny with a slight chance of showers and thunderstorms. Highs in the mid 80s. East winds 5 to 10 mph. Chance of rain 20 percent.
Monday Night...Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Lows in the mid 70s. Southeast winds 5 to 10 mph. Chance of rain 50 percent.
Tuesday...Mostly cloudy. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the upper 80s. Chance of rain 70 percent. Heat index values up to 100.
Tuesday Night...Showers likely. Thunderstorms likely, mainly in the evening. Windy with lows in the mid 70s. Chance of rain 70 percent.
Wednesday...A chance of thunderstorms. Showers, breezy with highs in the mid 80s. Chance of rain 80 percent.
Wednesday Night...A chance of thunderstorms. Showers. Lows in the upper 60s. Chance of rain 80 percent.
Thursday...Partly sunny with a 40 percent chance of showers. Highs around 80.
Thursday Night...Partly cloudy. A chance of showers in the evening. Lows in the upper 60s. Chance of rain 30 percent.
Friday...Partly sunny. Highs in the lower 80s.
Friday Night...Partly cloudy. Lows around 70.
Saturday...Partly sunny. Highs in the lower 80s.
SHARE THIS PAGE: