Baldwin, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Baldwin, a borough in Allegheny County, Pennsylvania.
Tonight
54°F
Mostly Clear
Mostly clear, with a low around 54. Southeast wind 2 to 6 mph.
7-day forecast for Baldwin
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Mostly Clear | 2 to 6 mph SE | 2% |
| Wednesday | 78°F | Partly Sunny | 5 to 10 mph S | 7% |
| Wednesday Night | 61°F | Light Rain | 12 mph S | 98% |
| Thursday | 71°F | Chance Light Rain | 8 to 14 mph SW | 31% |
| Thursday Night | 49°F | Partly Cloudy | 2 to 7 mph SW | 4% |
| Friday | 66°F | Partly Sunny | 2 to 7 mph W | 10% |
| Friday Night | 46°F | Chance Light Rain | 7 mph NW | 25% |
| Saturday | 56°F | Chance Light Rain | 7 to 12 mph W | 29% |
| Saturday Night | 39°F | Chance Light Rain then Mostly Cloudy | 5 to 9 mph W | 26% |
| Sunday | 56°F | Partly Sunny then Slight Chance Light Rain | 5 to 12 mph W | 16% |
| Sunday Night | 38°F | Slight Chance Light Rain | 10 mph W | 19% |
| Monday | 57°F | Chance Light Rain | 10 to 15 mph W | 29% |
| Monday Night | 39°F | Chance Light Rain then Partly Cloudy | 9 to 13 mph SW | 29% |
| Tuesday | 60°F | Mostly Sunny | 13 to 17 mph SW | 9% |
Forecast source: National Weather Service (api.weather.gov) for Baldwin (40.381, -79.945). Updated through the day.
Growing snapshot for Baldwin
Last spring frost
Apr 18
First fall frost
Oct 28
Growing season
193 days
Hardiness zone
6b
More local growing data for Baldwin: nearby ZIP 15207 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Pittsburgh Allegheny Co Ap, Pa (3.2 mi from Baldwin). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.