Madison, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Madison, a borough in Westmoreland County, Pennsylvania.
Tonight
52°F
Mostly Clear
Mostly clear, with a low around 52. Southeast wind 1 to 7 mph.
7-day forecast for Madison
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Mostly Clear | 1 to 7 mph SE | 2% |
| Wednesday | 77°F | Partly Sunny | 2 to 8 mph S | 6% |
| Wednesday Night | 60°F | Light Rain | 10 mph S | 99% |
| Thursday | 70°F | Chance Light Rain | 8 to 15 mph SW | 50% |
| Thursday Night | 50°F | Mostly Cloudy | 2 to 7 mph SW | 12% |
| Friday | 65°F | Partly Sunny then Slight Chance Light Rain | 2 to 7 mph W | 15% |
| Friday Night | 44°F | Chance Light Rain | 2 to 6 mph NW | 32% |
| Saturday | 55°F | Chance Light Rain | 6 to 14 mph W | 30% |
| Saturday Night | 37°F | Chance Light Rain | 3 to 9 mph W | 27% |
| Sunday | 55°F | Partly Sunny then Slight Chance Light Rain | 5 to 14 mph SW | 17% |
| Sunday Night | 35°F | Slight Chance Light Rain | 12 mph SW | 24% |
| Monday | 55°F | Chance Light Rain | 12 to 18 mph W | 34% |
| Monday Night | 36°F | Chance Light Rain | 10 to 15 mph SW | 34% |
| Tuesday | 59°F | Mostly Sunny | 15 to 22 mph SW | 12% |
Forecast source: National Weather Service (api.weather.gov) for Madison (40.246, -79.675). Updated through the day.
Growing snapshot for Madison
Last spring frost
May 1
First fall frost
Oct 13
Growing season
164 days
Hardiness zone
6b
More local growing data for Madison: nearby ZIP 15663 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
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Bear Rocks
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Collinsburg
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Delmont
Derry
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East Vandergrift
Export
Fellsburg
Grapeville
Greensburg
Harrison City
Herminie
Hostetter
Hunker
Hyde Park
Industry
Irwin
Jeannette
Kiskimere
Latrobe
Laurel Mountain
Lawson Heights
Leechburg
Climate data from the nearest NOAA station, Mt Pleasant, Pa (9.8 mi from Madison). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.