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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
79°F
Sunny
Sunny, with a high near 79. South wind 0 to 3 mph.

7-day forecast for Mount Jewett

WhenTempForecastWindPrecip
Today 79°F Sunny 0 to 3 mph S 0%
Tonight 57°F Mostly Clear 3 mph S 0%
Wednesday 81°F Partly Sunny then Chance Showers And Thunderstorms 6 mph S 36%
Wednesday Night 63°F Chance Showers And Thunderstorms then Patchy Fog 5 mph S 49%
Thursday 81°F Showers And Thunderstorms 2 to 6 mph SW 85%
Thursday Night 62°F Showers And Thunderstorms 0 to 5 mph SW 85%
Friday 79°F Showers And Thunderstorms 2 to 6 mph SW 84%
Friday Night 61°F Showers And Thunderstorms then Chance Showers And Thunderstorms 3 mph SW 84%
Saturday 79°F Showers And Thunderstorms Likely 2 to 6 mph SW 61%
Saturday Night 61°F Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms 1 to 5 mph SW 61%
Sunday 82°F Partly Sunny then Chance Showers And Thunderstorms 2 to 8 mph SW 25%
Sunday Night 63°F Chance Showers And Thunderstorms 7 mph SW 25%
Monday 81°F Chance Rain Showers 7 to 10 mph W 48%
Monday Night 60°F Chance Showers And Thunderstorms 3 to 8 mph W 48%

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 Aug 4, 2026.