West Sunbury, PA Weather & Growing Conditions
This Afternoon
74°F
Slight Chance Rain Showers
A slight chance of rain showers before 2pm. Mostly cloudy, with a high near 74. Southeast wind around 6 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Slight Chance Rain Showers | 6 mph SE | 18% |
| Tonight | 60°F | Showers And Thunderstorms | 5 mph SE | 76% |
| Sunday | 74°F | Showers And Thunderstorms | 8 mph W | 93% |
| Sunday Night | 49°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 8 mph N | 25% |
| Monday | 66°F | Chance Rain Showers | 10 mph NE | 27% |
| Monday Night | 48°F | Chance Rain Showers | 8 to 12 mph E | 50% |
| Tuesday | 61°F | Chance Rain Showers | 13 mph E | 52% |
| Tuesday Night | 47°F | Rain Showers Likely | 14 mph E | 65% |
| Wednesday | 59°F | Rain Showers Likely | 14 mph E | 65% |
| Wednesday Night | 47°F | Chance Rain Showers | 10 to 14 mph E | 50% |
| Thursday | 64°F | Chance Rain Showers | 8 to 12 mph E | 50% |
| Thursday Night | 46°F | Mostly Cloudy | 7 mph E | 14% |
| Friday | 68°F | Partly Sunny | 7 mph NE | 12% |
| Friday Night | 46°F | Partly Cloudy | 7 mph NE | 12% |
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 Sep 19, 2026.