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Fallston, PA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Fallston, a borough in Beaver County, Pennsylvania.

Overnight
54°F
Partly Cloudy
Partly cloudy, with a low around 54. Southeast wind around 1 mph.

7-day forecast for Fallston

WhenTempForecastWindPrecip
Overnight 54°F Partly Cloudy 1 mph SE 1%
Wednesday 76°F Mostly Cloudy then Chance Light Rain 1 to 9 mph S 50%
Wednesday Night 59°F Light Rain 6 to 10 mph S 97%
Thursday 67°F Mostly Sunny 5 to 10 mph SW 4%
Thursday Night 47°F Partly Cloudy 0 to 5 mph SW 0%
Friday 62°F Partly Sunny then Slight Chance Light Rain 1 to 7 mph SW 16%
Friday Night 42°F Chance Light Rain 2 to 6 mph W 42%
Saturday 52°F Chance Light Rain 9 mph W 36%
Saturday Night 37°F Chance Light Rain 3 to 8 mph W 29%
Sunday 54°F Mostly Sunny 3 to 10 mph W 6%
Sunday Night 35°F Partly Cloudy 7 mph W 5%
Monday 56°F Mostly Sunny 5 to 9 mph W 11%
Monday Night 36°F Mostly Clear 6 mph SW 11%
Tuesday 59°F Mostly Sunny 7 to 10 mph SW 3%

Forecast source: National Weather Service (api.weather.gov) for Fallston (40.727, -80.314). Updated through the day.

Growing snapshot for Fallston

Last spring frost
Apr 27
First fall frost
Oct 25
Growing season
178 days
Hardiness zone
6b

More local growing data for Fallston: nearby ZIP 15010 weather · frost dates · planting calendar · Pennsylvania frost dates

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Climate data from the nearest NOAA station, Beaver Falls 1 Ne, Pa (2.1 mi from Fallston). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.