Harman US

Guys Mills, PA Weather & Growing Conditions

Tonight
61°F
Showers And Thunderstorms
A chance of rain showers before 8pm, then showers and thunderstorms. Cloudy, with a low around 61. Southeast wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 61°F Showers And Thunderstorms 7 mph SE 86%
Sunday 67°F Showers And Thunderstorms 3 to 8 mph W 93%
Sunday Night 49°F Mostly Cloudy 8 mph NE 12%
Monday 66°F Partly Sunny 8 to 12 mph NE 6%
Monday Night 48°F Chance Rain Showers 12 mph E 31%
Tuesday 63°F Chance Rain Showers 12 mph E 38%
Tuesday Night 49°F Chance Rain Showers 12 to 15 mph E 54%
Wednesday 61°F Chance Rain Showers 12 to 15 mph E 54%
Wednesday Night 47°F Chance Rain Showers 14 mph SE 45%
Thursday 64°F Chance Rain Showers 7 to 12 mph E 45%
Thursday Night 47°F Slight Chance Rain Showers then Mostly Cloudy 7 mph E 16%
Friday 68°F Partly Sunny 5 to 8 mph NE 11%
Friday Night 47°F Partly Cloudy 3 to 8 mph NE 10%
Saturday 69°F Mostly Sunny 5 to 8 mph NE 7%

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

Growing snapshot for Guys Mills, PA

Last spring frost
Apr 30
First fall frost
Oct 23
Growing season
175 days
Hardiness zone
6a

Explore more for Guys Mills, PA: full frost dates · planting calendar · Pennsylvania frost dates

Climate data from the nearest NOAA station, Port Meadville Ap, Pa (13.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.