Star Junction, PA Weather & Growing Conditions
Tonight
52°F
Mostly Clear
Mostly clear, with a low around 52. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Mostly Clear | 5 mph S | 2% |
| Wednesday | 76°F | Partly Sunny | 3 to 7 mph S | 7% |
| Wednesday Night | 60°F | Light Rain | 9 mph S | 99% |
| Thursday | 69°F | Chance Light Rain | 7 to 12 mph SW | 45% |
| Thursday Night | 50°F | Mostly Cloudy | 2 to 6 mph SW | 13% |
| Friday | 64°F | Partly Sunny then Slight Chance Light Rain | 2 to 7 mph W | 18% |
| Friday Night | 45°F | Chance Light Rain | 5 mph NW | 32% |
| Saturday | 54°F | Chance Light Rain | 5 to 10 mph W | 32% |
| Saturday Night | 38°F | Chance Light Rain | 3 to 7 mph W | 32% |
| Sunday | 54°F | Partly Sunny then Slight Chance Light Rain | 3 to 10 mph SW | 16% |
| Sunday Night | 36°F | Chance Light Rain | 9 mph SW | 26% |
| Monday | 54°F | Chance Light Rain | 9 to 14 mph W | 34% |
| Monday Night | 37°F | Chance Light Rain | 8 to 13 mph SW | 34% |
| Tuesday | 58°F | Mostly Sunny | 13 to 17 mph SW | 12% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Star Junction, PA
Last spring frost
Apr 27
First fall frost
Oct 22
Growing season
177 days
Hardiness zone
6b
Explore more for Star Junction, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Donora 1 Sw, Pa (9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.