Sharpsburg, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sharpsburg, a borough in Allegheny County, Pennsylvania.
This Afternoon
74°F
Slight Chance Rain Showers
A slight chance of rain showers before 4pm. Partly sunny, with a high near 74. East wind around 5 mph. Chance of precipitation is 20%.
7-day forecast for Sharpsburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Slight Chance Rain Showers | 5 mph E | 16% |
| Tonight | 66°F | Rain Showers | 5 mph SE | 89% |
| Sunday | 78°F | Showers And Thunderstorms | 6 to 10 mph SW | 97% |
| Sunday Night | 56°F | Chance Showers And Thunderstorms | 9 mph N | 45% |
| Monday | 70°F | Chance Rain Showers | 12 mph NE | 36% |
| Monday Night | 56°F | Rain Showers Likely | 12 mph NE | 59% |
| Tuesday | 66°F | Rain Showers Likely | 12 to 15 mph E | 63% |
| Tuesday Night | 54°F | Rain Showers Likely | 15 mph E | 71% |
| Wednesday | 64°F | Rain Showers Likely | 16 mph E | 71% |
| Wednesday Night | 53°F | Chance Rain Showers | 9 to 15 mph E | 54% |
| Thursday | 66°F | Chance Rain Showers | 12 mph E | 54% |
| Thursday Night | 51°F | Slight Chance Rain Showers | 5 to 9 mph E | 15% |
| Friday | 70°F | Slight Chance Rain Showers | 6 to 9 mph NE | 15% |
| Friday Night | 50°F | Partly Cloudy | 5 to 9 mph NE | 11% |
Forecast source: National Weather Service (api.weather.gov) for Sharpsburg (40.493, -79.922). Updated through the day.
Growing snapshot for Sharpsburg
Last spring frost
Apr 16
First fall frost
Nov 1
Growing season
197 days
Hardiness zone
6b
More local growing data for Sharpsburg: nearby ZIP 15215 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Acmetonia Lock 3, Pa (5.6 mi from Sharpsburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.