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Warren, PA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Warren, a city in Warren County, Pennsylvania.

Tonight
52°F
Mostly Clear
Mostly clear, with a low around 52. Southeast wind around 3 mph.

7-day forecast for Warren

WhenTempForecastWindPrecip
Tonight 52°F Mostly Clear 3 mph SE 0%
Wednesday 78°F Partly Sunny 2 to 8 mph S 0%
Wednesday Night 60°F Rain Showers 7 mph S 97%
Thursday 71°F Rain Showers Likely 6 to 9 mph SW 59%
Thursday Night 45°F Partly Cloudy 0 to 3 mph SW 5%
Friday 65°F Partly Sunny then Slight Chance Rain Showers 0 to 3 mph W 23%
Friday Night 42°F Chance Rain Showers 2 mph NW 38%
Saturday 56°F Chance Rain Showers 2 to 7 mph W 44%
Saturday Night 34°F Chance Rain Showers 1 to 5 mph W 44%
Sunday 56°F Slight Chance Rain Showers 2 to 7 mph SW 17%
Sunday Night 33°F Chance Rain Showers 5 mph W 32%
Monday 57°F Chance Rain Showers 5 to 8 mph W 35%
Monday Night 34°F Chance Rain Showers 5 mph SW 35%
Tuesday 60°F Slight Chance Rain Showers 6 to 10 mph W 19%

Forecast source: National Weather Service (api.weather.gov) for Warren (41.843, -79.144). Updated through the day.

Growing snapshot for Warren

Last spring frost
May 4
First fall frost
Oct 21
Growing season
168 days
Hardiness zone
6a

More local growing data for Warren: nearby ZIP 16365 weather · frost dates · planting calendar · Pennsylvania frost dates

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Climate data from the nearest NOAA station, Warren, Pa (0.6 mi from Warren). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.