Fallston, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fallston, a borough in Beaver County, Pennsylvania.
Today
78°F
Mostly Cloudy
Mostly cloudy, with a high near 78. East wind around 3 mph.
7-day forecast for Fallston
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Mostly Cloudy | 3 mph E | 5% |
| Tonight | 64°F | Patchy Fog | 3 mph SE | 76% |
| Sunday | 76°F | Showers And Thunderstorms | 7 mph SW | 95% |
| Sunday Night | 54°F | Showers And Thunderstorms Likely | 6 to 9 mph N | 73% |
| Monday | 67°F | Chance Rain Showers | 9 mph NE | 32% |
| Monday Night | 53°F | Rain Showers Likely | 10 mph NE | 58% |
| Tuesday | 62°F | Rain Showers Likely | 13 mph E | 58% |
| Tuesday Night | 51°F | Rain Showers Likely | 12 to 15 mph E | 62% |
| Wednesday | 63°F | Rain Showers Likely | 13 mph E | 62% |
| Wednesday Night | 51°F | Showers And Thunderstorms Likely | 8 to 13 mph E | 63% |
| Thursday | 65°F | Rain Showers Likely | 8 mph E | 60% |
| Thursday Night | 50°F | Slight Chance Rain Showers | 3 to 7 mph E | 23% |
| Friday | 69°F | Slight Chance Rain Showers | 7 mph NE | 17% |
| Friday Night | 50°F | Slight Chance Rain Showers then Partly Cloudy | 2 to 7 mph NE | 17% |
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.