Sunbury, PA Weather & Growing Conditions
Today
83°F
Patchy Fog then Sunny
Patchy fog before 10am. Sunny, with a high near 83. North wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Patchy Fog then Sunny | 1 mph N | 0% |
| Tonight | 63°F | Mostly Cloudy | 0 mph | 3% |
| Wednesday | 82°F | Patchy Fog then Chance Showers And Thunderstorms | 0 to 3 mph SE | 26% |
| Wednesday Night | 68°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 3 mph SE | 56% |
| Thursday | 86°F | Patchy Fog then Showers And Thunderstorms | 0 to 5 mph S | 79% |
| Thursday Night | 69°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 2 mph SW | 79% |
| Friday | 86°F | Showers And Thunderstorms Likely | 0 to 3 mph SW | 73% |
| Friday Night | 68°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 mph SW | 73% |
| Saturday | 84°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 48% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms | 2 mph W | 48% |
| Sunday | 86°F | Mostly Sunny | 0 to 3 mph W | 11% |
| Sunday Night | 69°F | Mostly Clear | 2 mph W | 11% |
| Monday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 7 mph W | 23% |
| Monday Night | 67°F | Slight Chance Showers And Thunderstorms | 1 to 6 mph W | 23% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sunbury, PA
Last spring frost
Apr 30
First fall frost
Oct 13
Growing season
166 days
Hardiness zone
6b
Explore more for Sunbury, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Sunbury, Pa (1.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.