Harman US

Addison, PA Weather & Growing Conditions

Overnight
57°F
Areas Of Fog
Areas of fog before 4am. Mostly cloudy, with a low around 57. East wind around 3 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 57°F Areas Of Fog 3 mph E 1%
Saturday 75°F Mostly Sunny 5 mph SE 3%
Saturday Night 62°F Partly Cloudy then Chance Rain Showers 6 mph SE 39%
Sunday 75°F Showers And Thunderstorms 6 mph SW 94%
Sunday Night 61°F Showers And Thunderstorms 0 to 3 mph N 94%
Monday 68°F Chance Rain Showers 2 to 6 mph E 53%
Monday Night 57°F Showers And Thunderstorms Likely 7 to 10 mph E 72%
Tuesday 62°F Showers And Thunderstorms 12 mph SE 78%
Tuesday Night 52°F Showers And Thunderstorms 15 mph E 77%
Wednesday 59°F Showers And Thunderstorms Likely 13 mph E 69%
Wednesday Night 51°F Chance Showers And Thunderstorms 9 to 13 mph E 54%
Thursday 61°F Chance Rain Showers 6 to 9 mph E 51%
Thursday Night 51°F Chance Rain Showers 2 to 6 mph E 36%
Friday 66°F Chance Rain Showers 5 mph NE 30%

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

Growing snapshot for Addison, PA

Last spring frost
Apr 30
First fall frost
Oct 18
Growing season
171 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Confluence 1 Sw Dam, Pa (3.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.