Dewart, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dewart, a community in Northumberland County, Pennsylvania.
Today
84°F
Patchy Fog then Sunny
Patchy fog before 9am. Sunny, with a high near 84. Wind around 0 mph.
7-day forecast for Dewart
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Patchy Fog then Sunny | 0 mph | 0% |
| Tonight | 63°F | Mostly Cloudy then Patchy Fog | 0 mph | 1% |
| Wednesday | 83°F | Patchy Fog then Partly Sunny | 0 to 5 mph E | 15% |
| Wednesday Night | 68°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 50% |
| Thursday | 88°F | Showers And Thunderstorms | 0 to 6 mph S | 83% |
| Thursday Night | 69°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 3 mph SW | 83% |
| Friday | 87°F | Showers And Thunderstorms Likely | 0 to 5 mph SW | 73% |
| Friday Night | 68°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 3 mph SW | 73% |
| Saturday | 86°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 6 mph W | 44% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms then Mostly Cloudy | 0 to 3 mph W | 44% |
| Sunday | 88°F | Mostly Sunny | 0 to 6 mph W | 11% |
| Sunday Night | 69°F | Mostly Clear | 0 to 5 mph W | 11% |
| Monday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 8 mph W | 26% |
| Monday Night | 67°F | Chance Showers And Thunderstorms | 1 to 7 mph W | 26% |
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
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Kulpmont
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Linntown
Locust Gap
Marion Heights
Marshallton
McEwensville
Montandon
Mount Carmel
Northumberland
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Shamokin
Snydertown
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Tharptown (Uniontown)
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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 Aug 4, 2026.