West Sunbury, PA Weather & Growing Conditions
Today
73°F
Partly Sunny then Slight Chance Light Rain
A slight chance of rain after 1pm. Partly sunny, with a high near 73. South wind 6 to 9 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Partly Sunny then Slight Chance Light Rain | 6 to 9 mph S | 21% |
| Tonight | 58°F | Light Rain | 9 mph S | 94% |
| Thursday | 67°F | Slight Chance Light Rain then Partly Sunny | 6 to 12 mph SW | 19% |
| Thursday Night | 44°F | Partly Cloudy | 5 mph SW | 0% |
| Friday | 60°F | Partly Sunny then Slight Chance Light Rain | 2 to 7 mph SW | 18% |
| Friday Night | 38°F | Chance Light Rain | 2 to 7 mph W | 48% |
| Saturday | 51°F | Chance Light Rain | 7 to 12 mph W | 43% |
| Saturday Night | 32°F | Chance Light Rain | 5 to 8 mph W | 34% |
| Sunday | 53°F | Slight Chance Light Rain | 6 to 12 mph W | 15% |
| Sunday Night | 30°F | Partly Cloudy | 7 mph W | 7% |
| Monday | 54°F | Slight Chance Light Rain | 7 to 10 mph W | 21% |
| Monday Night | 30°F | Slight Chance Light Rain then Partly Cloudy | 7 mph SW | 19% |
| Tuesday | 58°F | Mostly Sunny | 8 to 13 mph SW | 5% |
| Tuesday Night | 30°F | Partly Cloudy | 2 to 6 mph W | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for West Sunbury, PA
Last spring frost
May 7
First fall frost
Oct 14
Growing season
158 days
Hardiness zone
6a
Explore more for West Sunbury, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Slippery Rock 1 Ssw, Pa (9.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.