Onancock, VA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Onancock, a town in Accomack County, Virginia.
Today
83°F
Mostly Cloudy then Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 2pm and 5pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 83. East wind around 8 mph. Chance of precipitation is 30%.
7-day forecast for Onancock
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Mostly Cloudy then Chance Showers And Thunderstorms | 8 mph E | 31% |
| Tonight | 72°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 to 8 mph SE | 48% |
| Wednesday | 86°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 52% |
| Wednesday Night | 75°F | Partly Cloudy | 9 mph S | 11% |
| Thursday | 89°F | Sunny | 8 to 13 mph S | 6% |
| Thursday Night | 75°F | Mostly Clear | 8 to 12 mph S | 4% |
| Friday | 90°F | Sunny | 12 mph SW | 4% |
| Friday Night | 75°F | Slight Chance Showers And Thunderstorms | 10 mph SW | 20% |
| Saturday | 89°F | Mostly Sunny | 8 to 12 mph SW | 14% |
| Saturday Night | 74°F | Slight Chance Showers And Thunderstorms | 7 to 10 mph SW | 20% |
| Sunday | 89°F | Mostly Sunny | 8 mph SW | 14% |
| Sunday Night | 75°F | Partly Cloudy | 7 mph SW | 14% |
| Monday | 90°F | Mostly Sunny | 8 mph SW | 5% |
| Monday Night | 75°F | Slight Chance Showers And Thunderstorms | 8 mph SW | 17% |
Forecast source: National Weather Service (api.weather.gov) for Onancock (37.710, -75.744). Updated through the day.
Growing snapshot for Onancock
Last spring frost
Apr 4
First fall frost
Nov 7
Growing season
216 days
Hardiness zone
8a
More local growing data for Onancock: nearby ZIP 23417 weather · frost dates · planting calendar · Virginia frost dates
Nearby towns & communities
Accomac
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Bayside
Bloxom
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Chase Crossing
Chincoteague
Deep Creek
Gargatha
Greenbackville
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Hallwood
Harborton
Horntown
Keller
Lee Mont
Locust Mount
Makemie Park
Mappsburg
Mappsville
Melfa
Metompkin
Modest Town
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New Church
Oak Hall
Onley
Painter
Climate data from the nearest NOAA station, Painter 2 W, Va (10.7 mi from Onancock). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.