Brownsville, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brownsville, a borough in Fayette County, Pennsylvania.
This Afternoon
77°F
Mostly Sunny
Mostly sunny, with a high near 77. North wind around 7 mph.
7-day forecast for Brownsville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Mostly Sunny | 7 mph N | 14% |
| Tonight | 58°F | Partly Cloudy then Patchy Fog | 2 to 6 mph NE | 13% |
| Saturday | 79°F | Partly Sunny | 3 mph E | 3% |
| Saturday Night | 65°F | Partly Cloudy then Chance Showers And Thunderstorms | 5 mph SE | 53% |
| Sunday | 78°F | Showers And Thunderstorms | 8 mph SW | 93% |
| Sunday Night | 60°F | Showers And Thunderstorms | 7 mph NW | 93% |
| Monday | 70°F | Chance Rain Showers | 9 mph NE | 47% |
| Monday Night | 59°F | Showers And Thunderstorms Likely | 9 mph E | 69% |
| Tuesday | 66°F | Showers And Thunderstorms | 8 to 12 mph E | 75% |
| Tuesday Night | 54°F | Showers And Thunderstorms Likely | 12 mph E | 70% |
| Wednesday | 64°F | Showers And Thunderstorms Likely | 12 mph E | 66% |
| Wednesday Night | 53°F | Chance Showers And Thunderstorms | 5 to 10 mph E | 52% |
| Thursday | 65°F | Chance Rain Showers | 5 to 8 mph E | 43% |
| Thursday Night | 52°F | Chance Rain Showers | 2 to 7 mph NE | 30% |
Forecast source: National Weather Service (api.weather.gov) for Brownsville (40.019, -79.890). Updated through the day.
Growing snapshot for Brownsville
Last spring frost
Apr 13
First fall frost
Nov 5
Growing season
205 days
Hardiness zone
6b
More local growing data for Brownsville: nearby ZIP 15444 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Charleroi Lock 4, Pa (9.2 mi from Brownsville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.