Harman US

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

WhenTempForecastWindPrecip
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

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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.