Dewart, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dewart, a community in Northumberland County, Pennsylvania.
Tonight
47°F
Mostly Clear then Areas Of Fog
Areas of fog after midnight. Mostly clear, with a low around 47. Southeast wind around 3 mph.
7-day forecast for Dewart
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Mostly Clear then Areas Of Fog | 3 mph SE | 0% |
| Wednesday | 73°F | Areas Of Fog then Mostly Sunny | 1 to 9 mph SE | 0% |
| Wednesday Night | 59°F | Mostly Cloudy then Rain Showers | 8 mph S | 85% |
| Thursday | 72°F | Rain Showers | 5 to 9 mph S | 87% |
| Thursday Night | 53°F | Chance Rain Showers | 0 to 3 mph SW | 29% |
| Friday | 68°F | Chance Rain Showers | 1 mph NW | 38% |
| Friday Night | 46°F | Chance Rain Showers | 3 mph NW | 38% |
| Saturday | 62°F | Chance Rain Showers | 3 to 9 mph NW | 26% |
| Saturday Night | 39°F | Chance Rain Showers then Partly Cloudy | 7 mph NW | 26% |
| Sunday | 59°F | Mostly Sunny | 3 to 7 mph W | 9% |
| Sunday Night | 36°F | Partly Cloudy then Slight Chance Rain Showers | 6 mph W | 18% |
| Monday | 59°F | Chance Rain Showers | 6 to 13 mph NW | 25% |
| Monday Night | 35°F | Chance Rain Showers | 5 to 8 mph W | 25% |
| Tuesday | 61°F | Mostly Sunny | 6 to 14 mph SW | 10% |
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
Strong
Sunbury
Tharptown (Uniontown)
Trevorton
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 Nov 4, 2026.