Clinton, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clinton, a community in Allegheny County, Pennsylvania.
This Afternoon
76°F
Sunny
Sunny, with a high near 76. South wind around 5 mph.
7-day forecast for Clinton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 76°F | Sunny | 5 mph S | 1% |
| Tonight | 55°F | Mostly Clear | 6 mph SE | 2% |
| Wednesday | 75°F | Mostly Cloudy | 6 to 10 mph S | 14% |
| Wednesday Night | 60°F | Light Rain | 8 to 12 mph S | 99% |
| Thursday | 68°F | Chance Light Rain then Mostly Sunny | 7 to 13 mph SW | 25% |
| Thursday Night | 48°F | Partly Cloudy | 1 to 6 mph SW | 2% |
| Friday | 63°F | Partly Sunny | 1 to 7 mph W | 10% |
| Friday Night | 44°F | Slight Chance Light Rain | 6 mph NW | 24% |
| Saturday | 54°F | Chance Light Rain | 6 to 9 mph W | 28% |
| Saturday Night | 38°F | Chance Light Rain then Mostly Cloudy | 3 to 7 mph W | 27% |
| Sunday | 54°F | Partly Sunny then Slight Chance Light Rain | 3 to 9 mph W | 15% |
| Sunday Night | 36°F | Slight Chance Light Rain | 9 mph W | 18% |
| Monday | 55°F | Chance Light Rain | 9 to 13 mph W | 25% |
| Monday Night | 38°F | Chance Light Rain then Partly Cloudy | 8 to 12 mph SW | 25% |
Forecast source: National Weather Service (api.weather.gov) for Clinton (40.492, -80.297). Updated through the day.
Growing snapshot for Clinton
Last spring frost
Apr 23
First fall frost
Oct 23
Growing season
181 days
Hardiness zone
6b
More local growing data for Clinton: nearby ZIP 15126 weather · frost dates · planting calendar · Pennsylvania frost dates
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Clairton
Climate data from the nearest NOAA station, Pittsburgh Intl Ap, Pa (4.2 mi from Clinton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.