Princeton, WV Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Princeton, a city in Mercer County, West Virginia.
Today
80°F
Partly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 80. East wind around 6 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Princeton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 6 mph E | 24% |
| Tonight | 65°F | Slight Chance Showers And Thunderstorms | 2 to 6 mph SE | 19% |
| Wednesday | 80°F | Partly Sunny then Showers And Thunderstorms Likely | 5 mph SE | 73% |
| Wednesday Night | 65°F | Showers And Thunderstorms Likely then Partly Cloudy | 5 mph S | 61% |
| Thursday | 81°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 82% |
| Thursday Night | 64°F | Showers And Thunderstorms then Mostly Cloudy | 3 mph SW | 82% |
| Friday | 82°F | Showers And Thunderstorms Likely | 1 to 5 mph SW | 70% |
| Friday Night | 64°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 mph SW | 70% |
| Saturday | 81°F | Showers And Thunderstorms Likely | 1 to 5 mph SW | 61% |
| Saturday Night | 64°F | Showers And Thunderstorms Likely | 3 mph W | 61% |
| Sunday | 82°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 1 to 5 mph W | 39% |
| Sunday Night | 65°F | Chance Showers And Thunderstorms | 2 mph W | 39% |
| Monday | 83°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 2 to 6 mph W | 27% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 5 mph W | 27% |
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 Aug 4, 2026.