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Granville, PA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Granville, a community in Mifflin County, Pennsylvania.

Overnight
44°F
Patchy Fog
Patchy fog. Mostly clear, with a low around 44. Wind around 0 mph.

7-day forecast for Granville

WhenTempForecastWindPrecip
Overnight 44°F Patchy Fog 0 mph 0%
Wednesday 76°F Patchy Fog then Mostly Sunny 0 to 7 mph SE 1%
Wednesday Night 58°F Light Rain 3 mph SE 93%
Thursday 75°F Light Rain Likely 1 to 6 mph SW 74%
Thursday Night 49°F Slight Chance Light Rain then Mostly Cloudy 1 mph W 19%
Friday 69°F Partly Sunny 1 mph NW 13%
Friday Night 43°F Partly Cloudy 1 mph NW 8%
Saturday 58°F Slight Chance Light Rain 2 to 8 mph W 20%
Saturday Night 37°F Slight Chance Light Rain then Mostly Cloudy 7 mph W 16%
Sunday 59°F Mostly Sunny 5 to 8 mph W 5%
Sunday Night 34°F Partly Cloudy 6 mph W 7%
Monday 59°F Mostly Sunny 5 to 10 mph W 7%
Monday Night 33°F Mostly Clear 5 mph W 3%
Tuesday 63°F Mostly Sunny 2 to 9 mph W 2%

Forecast source: National Weather Service (api.weather.gov) for Granville (40.554, -77.615). Updated through the day.

Growing snapshot for Granville

Last spring frost
Apr 21
First fall frost
Oct 24
Growing season
185 days
Hardiness zone
7a

More local growing data for Granville: nearby ZIP 17029 weather · frost dates · planting calendar · Pennsylvania frost dates

Nearby towns & communities

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Climate data from the nearest NOAA station, Lewistown, Pa (3.2 mi from Granville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.