Princeton, WV Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Princeton, a city in Mercer County, West Virginia.
Tonight
54°F
Partly Cloudy
Partly cloudy, with a low around 54. Southeast wind around 8 mph, with gusts as high as 24 mph.
7-day forecast for Princeton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Partly Cloudy | 8 mph SE | 3% |
| Wednesday | 68°F | Mostly Cloudy then Chance Light Rain | 7 to 12 mph SE | 37% |
| Wednesday Night | 59°F | Light Rain | 5 to 9 mph S | 90% |
| Thursday | 72°F | Chance Light Rain | 5 mph SW | 36% |
| Thursday Night | 50°F | Chance Light Rain | 2 mph W | 36% |
| Friday | 67°F | Slight Chance Light Rain | 0 to 6 mph NW | 19% |
| Friday Night | 42°F | Partly Cloudy | 3 mph NW | 9% |
| Saturday | 57°F | Mostly Sunny | 3 to 7 mph NW | 12% |
| Saturday Night | 34°F | Partly Cloudy | 0 to 5 mph NW | 11% |
| Sunday | 58°F | Partly Sunny | 1 to 7 mph W | 7% |
| Sunday Night | 31°F | Slight Chance Light Rain | 7 mph W | 15% |
| Monday | 58°F | Slight Chance Light Rain | 7 to 10 mph W | 21% |
| Monday Night | 33°F | Slight Chance Light Rain | 7 mph W | 16% |
| Tuesday | 61°F | Sunny | 7 to 12 mph W | 13% |
Forecast source: National Weather Service (api.weather.gov) for Princeton (37.369, -81.096). Updated through the day.
Growing snapshot for Princeton
Last spring frost
Apr 30
First fall frost
Oct 10
Growing season
161 days
Hardiness zone
7a
More local growing data for Princeton: nearby ZIP 24740 weather · frost dates · planting calendar · West Virginia frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Athens, Wv (4.6 mi from Princeton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.