Stacker created the forecast for Williamsport, Pennsylvania using data from OpenWeather. This week's high is 79 °F on Tuesday, while the low is 29 °F on Sunday. There are expected to be 4 sunny days and rain on 1 day this week.
There are currently no weather alerts.
Monday, October 12
- High of 69 °F, low of 50 °F (62% humidity)
- Mostly sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (4 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 7:16 AM, sunset at 6:32 PM
You may also like: Most expensive homes for sale in Williamsport
supergenijalac // Shutterstock
1 / 6Tuesday, October 13
- High of 79 °F, low of 51 °F (68% humidity)
- Fair with a 0% chance of rain
- Moderate risk of harm from sun exposure (3 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 7:17 AM, sunset at 6:30 PM
IKO-studio // Shutterstock
2 / 6Wednesday, October 14
- High of 76 °F, low of 61 °F (57% humidity)
- Partly sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (2 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 7:18 AM, sunset at 6:29 PM
Andrew Lever // Shutterstock
3 / 6Thursday, October 15
- High of 63 °F, low of 54 °F (61% humidity)
- Mostly cloudy with a 0% chance of rain
- Moderate risk of harm from sun exposure (5 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 7:19 AM, sunset at 6:27 PM
John Cartwright // Shutterstock
4 / 6Friday, October 16
- High of 65 °F, low of 49 °F (98% humidity)
- Overcast with a 100% chance of rain (26 mm of rain)
- Moderate risk of harm from sun exposure (5 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 7:20 AM, sunset at 6:26 PM
afoto6267 // Shutterstock
5 / 6Saturday, October 17
- High of 49 °F, low of 30 °F (56% humidity)
- Fair with a 0% chance of rain
- Moderate risk of harm from sun exposure (5 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 7:21 AM, sunset at 6:24 PM
You may also like: Are homes selling in Williamsport in 2026?
cooperr // Shutterstock
6 / 6Sunday, October 18
- High of 52 °F, low of 29 °F (40% humidity)
- Sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (5 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 7:22 AM, sunset at 6:23 PM
- First quarter moon
