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Mount Jewett, PA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Mount Jewett, a borough in Mckean County, Pennsylvania.

Today
73°F
Partly Sunny
Partly sunny. High near 73, with temperatures falling to around 67 in the afternoon. South wind 3 to 10 mph.

7-day forecast for Mount Jewett

WhenTempForecastWindPrecip
Today 73°F Partly Sunny 3 to 10 mph S 2%
Tonight 55°F Light Rain 13 mph S 95%
Thursday 66°F Light Rain Likely 7 to 12 mph SW 59%
Thursday Night 42°F Mostly Cloudy 2 to 6 mph SW 2%
Friday 59°F Mostly Cloudy then Chance Light Rain 2 to 6 mph SW 28%
Friday Night 37°F Chance Light Rain 1 to 5 mph W 50%
Saturday 49°F Light Rain Likely 6 to 9 mph W 59%
Saturday Night 30°F Chance Light Rain 8 mph W 50%
Sunday 50°F Slight Chance Light Rain then Partly Sunny 12 mph W 15%
Sunday Night 28°F Slight Chance Light Rain 9 mph W 18%
Monday 51°F Chance Light Rain 12 mph W 26%
Monday Night 28°F Slight Chance Light Rain then Partly Cloudy 6 to 10 mph W 17%
Tuesday 54°F Mostly Sunny then Slight Chance Light Rain 10 to 14 mph W 16%
Tuesday Night 28°F Slight Chance Light Rain 5 to 9 mph W 16%

Forecast source: National Weather Service (api.weather.gov) for Mount Jewett (41.729, -78.640). Updated through the day.

Growing snapshot for Mount Jewett

Last spring frost
May 15
First fall frost
Oct 3
Growing season
140 days
Hardiness zone
5b

More local growing data for Mount Jewett: nearby ZIP 16733 weather · frost dates · planting calendar · Pennsylvania frost dates

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Climate data from the nearest NOAA station, Clermont 1 Nw, Pa (3.8 mi from Mount Jewett). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.