Brownstown, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brownstown, a community in Lancaster County, Pennsylvania.
Today
85°F
Mostly Sunny
Mostly sunny, with a high near 85. East wind around 5 mph.
7-day forecast for Brownstown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Mostly Sunny | 5 mph E | 0% |
| Tonight | 65°F | Mostly Cloudy then Patchy Fog | 2 mph E | 5% |
| Wednesday | 84°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 2 to 7 mph E | 63% |
| Wednesday Night | 70°F | Chance Showers And Thunderstorms | 3 to 7 mph SE | 50% |
| Thursday | 89°F | Partly Sunny then Showers And Thunderstorms Likely | 3 to 10 mph S | 66% |
| Thursday Night | 70°F | Showers And Thunderstorms Likely | 2 to 9 mph S | 66% |
| Friday | 88°F | Mostly Sunny then Showers And Thunderstorms Likely | 2 to 7 mph SW | 66% |
| Friday Night | 69°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 1 to 6 mph SW | 66% |
| Saturday | 87°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 1 to 6 mph W | 52% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 1 to 6 mph SW | 52% |
| Sunday | 88°F | Mostly Sunny | 1 to 6 mph W | 13% |
| Sunday Night | 70°F | Partly Cloudy | 5 mph SW | 13% |
| Monday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 9 mph W | 22% |
| Monday Night | 69°F | Slight Chance Showers And Thunderstorms | 3 to 8 mph W | 22% |
Forecast source: National Weather Service (api.weather.gov) for Brownstown (40.127, -76.218). Updated through the day.
Growing snapshot for Brownstown
Last spring frost
Apr 18
First fall frost
Oct 25
Growing season
186 days
Hardiness zone
7a
More local growing data for Brownstown: nearby ZIP 17508 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Lancaster Ap, Pa (4.3 mi from Brownstown). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.