Addison, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Addison, a borough in Somerset County, Pennsylvania.
Today
81°F
Patchy Fog then Sunny
Patchy fog before 9am. Sunny, with a high near 81. Southeast wind 0 to 6 mph.
7-day forecast for Addison
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Patchy Fog then Sunny | 0 to 6 mph SE | 0% |
| Tonight | 66°F | Partly Cloudy | 2 to 6 mph SE | 2% |
| Wednesday | 81°F | Patchy Fog then Chance Showers And Thunderstorms | 2 mph SE | 53% |
| Wednesday Night | 68°F | Showers And Thunderstorms Likely then Patchy Fog | 2 mph S | 57% |
| Thursday | 81°F | Showers And Thunderstorms | 5 mph SW | 85% |
| Thursday Night | 67°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 mph SW | 85% |
| Friday | 81°F | Showers And Thunderstorms | 5 mph SW | 83% |
| Friday Night | 66°F | Showers And Thunderstorms | 5 mph SW | 83% |
| Saturday | 80°F | Slight Chance Showers And Thunderstorms | 6 mph W | 58% |
| Saturday Night | 67°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 mph SW | 58% |
| Sunday | 82°F | Chance Showers And Thunderstorms | 6 mph SW | 27% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 6 mph SW | 27% |
| Monday | 82°F | Partly Sunny then Chance Showers And Thunderstorms | 6 to 9 mph W | 31% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 7 mph W | 42% |
Forecast source: National Weather Service (api.weather.gov) for Addison (39.745, -79.334). Updated through the day.
Growing snapshot for Addison
Last spring frost
Apr 30
First fall frost
Oct 18
Growing season
171 days
Hardiness zone
6a
More local growing data for Addison: nearby ZIP 15411 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Acosta
Benson
Berlin
Boswell
Cairnbrook
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Casselman
Central City
Confluence
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Garrett
Gray
Hooversville
Indian Lake
Jennerstown
Jerome
Meyersdale
New Baltimore
New Centerville
Paint
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Rockwood
Salisbury
Shanksville
Somerset
Stoystown
Ursina
Wellersburg
Climate data from the nearest NOAA station, Confluence 1 Sw Dam, Pa (3.8 mi from Addison). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.