Sunbury, PA Weather & Growing Conditions
This Afternoon
78°F
Sunny
Sunny, with a high near 78. North wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Sunny | 6 mph N | 0% |
| Tonight | 50°F | Partly Cloudy then Areas Of Fog | 1 to 6 mph N | 0% |
| Saturday | 72°F | Areas Of Fog then Mostly Sunny | 2 mph E | 2% |
| Saturday Night | 59°F | Mostly Cloudy then Rain Showers Likely | 1 to 7 mph SE | 73% |
| Sunday | 71°F | Rain Showers | 5 to 8 mph S | 97% |
| Sunday Night | 56°F | Showers And Thunderstorms | 3 to 7 mph NW | 97% |
| Monday | 67°F | Chance Rain Showers | 7 mph N | 29% |
| Monday Night | 53°F | Chance Rain Showers | 6 mph NE | 52% |
| Tuesday | 61°F | Rain Showers Likely | 6 mph NE | 55% |
| Tuesday Night | 49°F | Rain Showers Likely | 6 mph NE | 55% |
| Wednesday | 60°F | Chance Rain Showers | 6 mph NE | 46% |
| Wednesday Night | 48°F | Chance Showers And Thunderstorms | 5 mph NE | 46% |
| Thursday | 61°F | Chance Showers And Thunderstorms | 5 mph NE | 38% |
| Thursday Night | 50°F | Chance Showers And Thunderstorms | 3 mph N | 36% |
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 Sep 19, 2026.