Unionville, PA Weather & Growing Conditions
Today
84°F
Patchy Fog then Sunny
Patchy fog before 10am. Sunny, with a high near 84. Southeast wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Patchy Fog then Sunny | 2 mph SE | 0% |
| Tonight | 63°F | Partly Cloudy | 2 mph E | 3% |
| Wednesday | 83°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph SE | 45% |
| Wednesday Night | 68°F | Chance Showers And Thunderstorms | 0 to 3 mph SE | 38% |
| Thursday | 86°F | Showers And Thunderstorms | 0 to 3 mph SW | 85% |
| Thursday Night | 68°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 2 mph SW | 85% |
| Friday | 86°F | Showers And Thunderstorms | 0 to 3 mph W | 80% |
| Friday Night | 67°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 2 mph SW | 80% |
| Saturday | 84°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 6 mph W | 54% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 1 to 5 mph W | 54% |
| Sunday | 87°F | Mostly Sunny | 1 to 6 mph W | 13% |
| Sunday Night | 69°F | Partly Cloudy | 5 mph W | 13% |
| Monday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 8 mph W | 28% |
| Monday Night | 67°F | Chance Showers And Thunderstorms | 2 to 7 mph W | 28% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Unionville, PA
Last spring frost
Apr 20
First fall frost
Oct 26
Growing season
187 days
Hardiness zone
6b
Explore more for Unionville, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, State College, Pa (7.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.