Unionville, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Unionville, a community in Beaver County, Pennsylvania.
Today
85°F
Patchy Fog then Sunny
Patchy fog before 9am. Sunny, with a high near 85. East wind around 3 mph.
7-day forecast for Unionville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Patchy Fog then Sunny | 3 mph E | 0% |
| Tonight | 65°F | Mostly Clear | 3 mph E | 1% |
| Wednesday | 87°F | Mostly Sunny then Scattered Showers And Thunderstorms | 5 mph S | 47% |
| Wednesday Night | 67°F | Scattered Showers And Thunderstorms | 3 mph S | 50% |
| Thursday | 85°F | Showers And Thunderstorms Likely | 2 to 7 mph SW | 63% |
| Thursday Night | 67°F | Showers And Thunderstorms Likely | 5 mph SW | 63% |
| Friday | 84°F | Showers And Thunderstorms | 3 to 7 mph SW | 83% |
| Friday Night | 66°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph SW | 83% |
| Saturday | 83°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 to 7 mph SW | 44% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 44% |
| Sunday | 86°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 3 to 8 mph SW | 18% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms | 3 to 7 mph SW | 23% |
| Monday | 86°F | Chance Rain Showers | 6 to 9 mph SW | 37% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 5 to 8 mph SW | 48% |
Forecast source: National Weather Service (api.weather.gov) for Unionville (40.746, -80.211). Updated through the day.
Growing snapshot for Unionville
Last spring frost
Apr 27
First fall frost
Oct 25
Growing season
178 days
Hardiness zone
6b
More local growing data for Unionville: nearby ZIP 15074 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Beaver Falls 1 Ne, Pa (5.9 mi from Unionville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.