Harman US

Mount Jewett, PA Weather & Growing Conditions

Tonight
55°F
Rain Showers
Rain showers before 2am, then showers and thunderstorms. Cloudy, with a low around 55. Southeast wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 55°F Rain Showers 7 mph SE 94%
Sunday 68°F Showers And Thunderstorms 7 mph SW 96%
Sunday Night 44°F Mostly Cloudy 8 mph NE 13%
Monday 64°F Mostly Cloudy 9 mph NE 7%
Monday Night 43°F Chance Rain Showers 7 mph NE 40%
Tuesday 59°F Chance Rain Showers 8 mph E 42%
Tuesday Night 43°F Chance Rain Showers 9 to 13 mph E 42%
Wednesday 57°F Chance Rain Showers 9 to 13 mph E 35%
Wednesday Night 42°F Chance Rain Showers 10 mph SE 26%
Thursday 59°F Chance Rain Showers 8 mph E 26%
Thursday Night 42°F Slight Chance Rain Showers 2 to 6 mph NE 24%
Friday 64°F Slight Chance Rain Showers then Partly Sunny 7 mph NE 19%
Friday Night 43°F Partly Cloudy 3 to 7 mph N 13%
Saturday 66°F Mostly Sunny 8 mph N 13%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Mount Jewett, PA

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

Explore more for Mount Jewett, PA: full frost dates · planting calendar · Pennsylvania frost dates

Climate data from the nearest NOAA station, Clermont 1 Nw, Pa (3.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.