Petersburg, WV Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Petersburg, a city in Grant County, West Virginia.
Overnight
51°F
Mostly Clear
Mostly clear, with a low around 51. Southeast wind around 5 mph.
7-day forecast for Petersburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Mostly Clear | 5 mph SE | 1% |
| Wednesday | 79°F | Partly Sunny | 3 to 10 mph S | 2% |
| Wednesday Night | 61°F | Rain Showers | 7 mph S | 84% |
| Thursday | 77°F | Chance Rain Showers | 6 mph SW | 27% |
| Thursday Night | 50°F | Slight Chance Rain Showers then Patchy Fog | 2 mph W | 23% |
| Friday | 72°F | Slight Chance Light Rain | 0 to 3 mph W | 18% |
| Friday Night | 40°F | Partly Cloudy | 2 mph NW | 11% |
| Saturday | 58°F | Slight Chance Light Rain | 1 to 9 mph W | 15% |
| Saturday Night | 32°F | Partly Cloudy | 2 to 7 mph W | 14% |
| Sunday | 60°F | Mostly Sunny | 2 to 6 mph W | 4% |
| Sunday Night | 30°F | Mostly Clear | 6 mph W | 3% |
| Monday | 60°F | Mostly Sunny | 3 to 8 mph W | 5% |
| Monday Night | 29°F | Mostly Clear | 2 to 6 mph W | 5% |
| Tuesday | 66°F | Sunny | 3 to 9 mph W | 2% |
Forecast source: National Weather Service (api.weather.gov) for Petersburg (38.996, -79.128). Updated through the day.
Growing snapshot for Petersburg
Last spring frost
Apr 23
First fall frost
Oct 20
Growing season
179 days
Hardiness zone
7a
More local growing data for Petersburg: nearby ZIP 26847 weather · frost dates · planting calendar · West Virginia frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Petersburg, Wv (2.4 mi from Petersburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.