Williamsport, Pennsylvania Weather Forecast
Today in Williamsport: clear skies with a high near 60°F and a low around 39°F. Rain chance 0%. No day tops a 20% rain chance through Thursday. Warming trend: highs climb from 60°F today to 70°F by Monday.
Forecast updated 4:05 AM EDT, Oct 23
Active Weather Alerts
7-Day Forecast for Williamsport
Today 10/23
60°39°
Sat 10/24
61°32°
Sun 10/25
63°31°
Mon 10/26
70°35°
Tue 10/27
61°41°
Wed 10/28
59°37°
Thu 10/29
64°40°
Next 24 Hours
| Now | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | Sat12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sky | | | | |  | | | | |  | | | | | | | | |  | | |  | | |
| Temp | 49° | 53° | 56° | 59° | 60° | 60° | 60° | 56° | 51° | 46° | 44° | 42° | 39° | 39° | 37° | 36° | 35° | 35° | 34° | 33° | 32° | 32° | 36° | 42° |
| Rain | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% |
| Wind | NE 3 | ENE 3 | ENE 3 | ENE 3 | ENE 3 | ENE 3 | ENE 2 | E 1 | E 1 | ENE 1 | NNE 0 | NNE 0 | NNE 0 | NNE 0 | NNE 0 | NE 0 | NE 0 | NE 0 | NE 0 | NE 0 | NE 0 | NE 0 | NNE 0 | ENE 0 |
Growing Conditions
Growing degree days
3,253
since Apr 1, base 50°F
Rain, last 30 days
1.84 in
model analysis
Rain, year to date
38.49 in
since Jan 1
2-inch soil temperature
47°F
yesterday, daily average
Reference ET, last 7 days
0.59 in
FAO-56 grass reference
Through Oct 22. Season totals use model analysis for this point and update every morning.
Soil, ET and spray tools for Williamsport →
Current Stats & Observations
NWS Forecast
About Williamsport Weather
Williamsport sits at about 545 feet above sea level in Lycoming County, Pennsylvania. About 53,861 people live in the Williamsport area. Official forecasts and warnings for the area come from the National Weather Service CTP office, and the nearest NEXRAD radar site is KCCX. The city is in USDA plant hardiness zone 6a, where the coldest winter night typically falls between -10 to -5°F. Over the past ten years the last spring freeze has come around Apr 25 and the first fall freeze around Nov 8.
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