Watsontown, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Watsontown, a borough in Northumberland County, Pennsylvania.
Today
74°F
Patchy Fog then Mostly Sunny
Patchy fog before 9am. Mostly sunny, with a high near 74. Southeast wind 0 to 9 mph.
7-day forecast for Watsontown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Patchy Fog then Mostly Sunny | 0 to 9 mph SE | 1% |
| Tonight | 59°F | Mostly Cloudy then Light Rain | 6 to 9 mph SE | 84% |
| Thursday | 73°F | Light Rain | 5 to 12 mph S | 90% |
| Thursday Night | 50°F | Chance Light Rain then Mostly Cloudy | 0 to 3 mph SW | 31% |
| Friday | 67°F | Partly Sunny | 1 mph E | 14% |
| Friday Night | 45°F | Partly Cloudy | 0 to 3 mph NW | 13% |
| Saturday | 59°F | Chance Light Rain | 5 to 10 mph W | 29% |
| Saturday Night | 40°F | Chance Light Rain | 9 mph W | 29% |
| Sunday | 57°F | Partly Sunny | 6 to 9 mph W | 6% |
| Sunday Night | 37°F | Partly Cloudy | 6 mph W | 6% |
| Monday | 58°F | Mostly Sunny | 6 to 12 mph W | 11% |
| Monday Night | 34°F | Partly Cloudy | 3 to 7 mph W | 11% |
| Tuesday | 62°F | Mostly Sunny | 3 to 10 mph SW | 3% |
| Tuesday Night | 35°F | Partly Cloudy | 6 mph W | 5% |
Forecast source: National Weather Service (api.weather.gov) for Watsontown (41.085, -76.865). Updated through the day.
Growing snapshot for Watsontown
Last spring frost
Apr 24
First fall frost
Oct 23
Growing season
180 days
Hardiness zone
6b
More local growing data for Watsontown: nearby ZIP 17730 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Allenwood
Atlas
Dalmatia
Dewart
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
Climate data from the nearest NOAA station, Williamsport, Pa (9.7 mi from Watsontown). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.