Unionville, PA Weather & Growing Conditions
Overnight
54°F
Mostly Clear
Mostly clear, with a low around 54. Southeast wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Mostly Clear | 3 mph SE | 1% |
| Wednesday | 76°F | Mostly Cloudy then Chance Light Rain | 3 to 9 mph S | 45% |
| Wednesday Night | 58°F | Light Rain | 8 to 12 mph S | 96% |
| Thursday | 67°F | Mostly Sunny | 6 to 12 mph SW | 5% |
| Thursday Night | 46°F | Partly Cloudy | 5 mph SW | 1% |
| Friday | 61°F | Partly Sunny then Slight Chance Light Rain | 2 to 7 mph SW | 16% |
| Friday Night | 42°F | Chance Light Rain | 7 mph W | 43% |
| Saturday | 52°F | Chance Light Rain | 10 mph W | 37% |
| Saturday Night | 35°F | Chance Light Rain | 6 to 9 mph W | 29% |
| Sunday | 54°F | Mostly Sunny | 6 to 10 mph W | 6% |
| Sunday Night | 34°F | Partly Cloudy | 7 mph W | 6% |
| Monday | 55°F | Mostly Sunny | 6 to 10 mph W | 12% |
| Monday Night | 35°F | Mostly Clear | 7 mph SW | 12% |
| Tuesday | 60°F | Mostly Sunny | 8 to 12 mph SW | 4% |
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 (3.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.