Fallston, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fallston, a borough in Beaver County, Pennsylvania.
Tonight
58°F
Partly Cloudy
Partly cloudy, with a low around 58. Northeast wind around 5 mph.
7-day forecast for Fallston
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Partly Cloudy | 5 mph NE | 5% |
| Saturday | 78°F | Partly Sunny | 5 mph E | 7% |
| Saturday Night | 65°F | Mostly Cloudy then Patchy Fog | 3 mph SE | 69% |
| Sunday | 77°F | Showers And Thunderstorms | 6 mph SW | 93% |
| Sunday Night | 58°F | Showers And Thunderstorms | 7 mph N | 93% |
| Monday | 69°F | Chance Rain Showers | 9 mph NE | 28% |
| Monday Night | 57°F | Showers And Thunderstorms Likely | 10 mph E | 56% |
| Tuesday | 66°F | Showers And Thunderstorms Likely | 12 mph E | 62% |
| Tuesday Night | 55°F | Showers And Thunderstorms Likely | 14 mph E | 64% |
| Wednesday | 64°F | Showers And Thunderstorms Likely | 13 mph E | 64% |
| Wednesday Night | 54°F | Chance Showers And Thunderstorms | 8 to 13 mph E | 52% |
| Thursday | 65°F | Chance Rain Showers | 9 mph E | 42% |
| Thursday Night | 53°F | Slight Chance Rain Showers | 2 to 7 mph NE | 17% |
| Friday | 70°F | Slight Chance Rain Showers then Partly Sunny | 3 to 7 mph N | 15% |
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 Sep 19, 2026.