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Brownstown, PA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Brownstown, a community in Lancaster County, Pennsylvania.

Overnight
54°F
Partly Cloudy
Partly cloudy, with a low around 54. North wind around 5 mph.

7-day forecast for Brownstown

WhenTempForecastWindPrecip
Overnight 54°F Partly Cloudy 5 mph N 0%
Saturday 77°F Partly Sunny 3 to 7 mph E 2%
Saturday Night 60°F Mostly Cloudy then Rain Showers Likely 6 to 10 mph SE 65%
Sunday 74°F Rain Showers 8 to 14 mph S 92%
Sunday Night 56°F Showers And Thunderstorms 5 to 10 mph W 92%
Monday 69°F Slight Chance Rain Showers 12 mph NE 17%
Monday Night 50°F Chance Rain Showers 6 to 13 mph NE 40%
Tuesday 62°F Chance Rain Showers 15 mph NE 45%
Tuesday Night 48°F Chance Rain Showers 13 to 16 mph NE 41%
Wednesday 62°F Chance Rain Showers 18 mph NE 38%
Wednesday Night 49°F Chance Rain Showers 14 to 17 mph NE 34%
Thursday 64°F Chance Rain Showers 16 mph NE 34%
Thursday Night 49°F Chance Rain Showers 8 to 14 mph NE 29%
Friday 67°F Slight Chance Rain Showers 13 mph N 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 Sep 19, 2026.