Dewart, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dewart, a community in Northumberland County, Pennsylvania.
This Afternoon
78°F
Sunny
Sunny, with a high near 78. North wind around 8 mph.
7-day forecast for Dewart
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Sunny | 8 mph N | 0% |
| Tonight | 52°F | Partly Cloudy then Patchy Fog | 2 to 8 mph N | 0% |
| Saturday | 71°F | Patchy Fog then Mostly Sunny | 2 mph E | 2% |
| Saturday Night | 60°F | Mostly Cloudy then Rain Showers | 1 to 10 mph SE | 84% |
| Sunday | 70°F | Showers And Thunderstorms | 5 to 10 mph S | 99% |
| Sunday Night | 57°F | Showers And Thunderstorms | 5 to 9 mph N | 88% |
| Monday | 68°F | Chance Rain Showers | 9 mph N | 26% |
| Monday Night | 53°F | Chance Rain Showers | 8 mph NE | 49% |
| Tuesday | 62°F | Rain Showers Likely | 8 mph E | 56% |
| Tuesday Night | 50°F | Rain Showers Likely | 7 mph E | 56% |
| Wednesday | 60°F | Chance Rain Showers | 7 mph E | 46% |
| Wednesday Night | 49°F | Chance Showers And Thunderstorms | 6 mph NE | 46% |
| Thursday | 62°F | Chance Showers And Thunderstorms | 6 mph NE | 38% |
| Thursday Night | 51°F | Chance Showers And Thunderstorms | 5 mph N | 37% |
Forecast source: National Weather Service (api.weather.gov) for Dewart (41.110, -76.871). Updated through the day.
Growing snapshot for Dewart
Last spring frost
Apr 24
First fall frost
Oct 23
Growing season
180 days
Hardiness zone
6b
More local growing data for Dewart: nearby ZIP 17730 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Allenwood
Atlas
Dalmatia
Edgewood
Fairview-Ferndale
Klingerstown
Kulpmont
Lewisburg
Linntown
Locust Gap
Marion Heights
Marshallton
McEwensville
Montandon
Mount Carmel
Northumberland
Ranshaw
Riverside
Shamokin
Snydertown
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Tharptown (Uniontown)
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Turbotville
Watsontown
Climate data from the nearest NOAA station, Williamsport, Pa (9.7 mi from Dewart). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.