Princeton, WV Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Princeton, a city in Mercer County, West Virginia.
This Afternoon
81°F
Mostly Sunny
Mostly sunny, with a high near 81. Southeast wind around 2 mph.
7-day forecast for Princeton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 81°F | Mostly Sunny | 2 mph SE | 8% |
| Tonight | 63°F | Slight Chance Rain Showers | 1 to 5 mph SE | 24% |
| Sunday | 82°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph W | 44% |
| Sunday Night | 63°F | Slight Chance Showers And Thunderstorms | 2 mph SW | 24% |
| Monday | 80°F | Showers And Thunderstorms | 0 to 3 mph W | 80% |
| Monday Night | 61°F | Showers And Thunderstorms | 5 mph S | 80% |
| Tuesday | 71°F | Showers And Thunderstorms | 6 mph SE | 80% |
| Tuesday Night | 58°F | Showers And Thunderstorms | 6 to 9 mph SE | 80% |
| Wednesday | 63°F | Rain Showers Likely | 9 mph SE | 56% |
| Wednesday Night | 54°F | Showers And Thunderstorms Likely | 9 mph SE | 63% |
| Thursday | 64°F | Rain Showers Likely | 7 mph E | 63% |
| Thursday Night | 52°F | Chance Showers And Thunderstorms then Mostly Cloudy | 5 mph E | 30% |
| Friday | 67°F | Chance Rain Showers | 2 to 6 mph NE | 25% |
| Friday Night | 49°F | Slight Chance Rain Showers then Partly Cloudy | 1 to 6 mph N | 16% |
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 Sep 19, 2026.