Williamsport 7-day weather forecast

Written by:
March 9, 2026
ESOlex // Shutterstock

Williamsport 7-day weather forecast

Stacker created the forecast for Williamsport, Pennsylvania using data from OpenWeather. This week's high is 70 °F on Monday, while the low is 28 °F on Friday. There is expected to be 1 sunny day, snow on 1 day, and 3 days of rain this week.

There are currently no weather alerts.

Monday, March 9

- High of 70 °F, low of 45 °F (52% humidity)
- Sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (4 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 7:29 AM, sunset at 7:07 PM
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1 / 6
Andrew Lever // Shutterstock

Tuesday, March 10

- High of 65 °F, low of 44 °F (66% humidity)
- Mostly cloudy with a 0% chance of rain
- Moderate risk of harm from sun exposure (4 UV index)
- Light breeze (4 mph wind)
- Sunrise at 7:28 AM, sunset at 7:08 PM
2 / 6
Jaromir Chalabala // Shutterstock

Wednesday, March 11

- High of 68 °F, low of 53 °F (81% humidity)
- Overcast with a 100% chance of rain (3 mm of rain)
- Moderate breeze (13 mph wind)
- Sunrise at 7:26 AM, sunset at 7:09 PM
- Last quarter moon
3 / 6
Leszek Glasner // Shutterstock

Thursday, March 12

- High of 64 °F, low of 30 °F (50% humidity)
- Overcast with a 100% chance of rain (6 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 7:24 AM, sunset at 7:10 PM
4 / 6
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Friday, March 13

- High of 47 °F, low of 28 °F (50% humidity)
- Mostly cloudy with a 100% chance of rain (1 mm of rain)
- Moderate breeze (18 mph wind)
- Sunrise at 7:23 AM, sunset at 7:11 PM
5 / 6
Ahmet Naim // Shutterstock

Saturday, March 14

- High of 44 °F, low of 30 °F (35% humidity)
- Partly cloudy with a 100% chance of snow (1 mm of snow)
- Fresh breeze (19 mph wind)
- Sunrise at 7:21 AM, sunset at 7:13 PM
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6 / 6
John Cartwright // Shutterstock

Sunday, March 15

- High of 60 °F, low of 34 °F (68% humidity)
- Overcast with a 0% chance of rain
- Moderate breeze (13 mph wind)
- Sunrise at 7:19 AM, sunset at 7:14 PM

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