Unionville, PA Weather & Growing Conditions
Today
77°F
Mostly Cloudy
Mostly cloudy, with a high near 77. East wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Mostly Cloudy | 6 mph E | 4% |
| Tonight | 63°F | Showers And Thunderstorms | 5 mph SE | 76% |
| Sunday | 76°F | Showers And Thunderstorms | 8 mph SW | 96% |
| Sunday Night | 53°F | Showers And Thunderstorms Likely | 9 mph N | 71% |
| Monday | 67°F | Chance Rain Showers | 10 mph NE | 32% |
| Monday Night | 52°F | Rain Showers Likely | 9 to 13 mph NE | 58% |
| Tuesday | 62°F | Rain Showers Likely | 14 mph E | 58% |
| Tuesday Night | 50°F | Rain Showers Likely | 16 mph E | 60% |
| Wednesday | 62°F | Rain Showers Likely | 13 to 16 mph E | 60% |
| Wednesday Night | 50°F | Showers And Thunderstorms Likely | 14 mph E | 63% |
| Thursday | 65°F | Rain Showers Likely | 8 to 12 mph E | 59% |
| Thursday Night | 49°F | Slight Chance Rain Showers | 5 to 8 mph E | 23% |
| Friday | 68°F | Slight Chance Rain Showers | 7 mph NE | 17% |
| Friday Night | 49°F | Slight Chance Rain Showers then Partly Cloudy | 7 mph NE | 17% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Unionville, PA
Last spring frost
Apr 27
First fall frost
Oct 25
Growing season
178 days
Hardiness zone
6b
Explore more for Unionville, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Beaver Falls 1 Ne, Pa (5.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.