Williamsport 7-day weather forecast

Written by:
March 23, 2026
ESOlex // Shutterstock

Williamsport 7-day weather forecast

Stacker created the forecast for Williamsport, Pennsylvania using data from OpenWeather. This week's high is 74 °F on Tuesday, while the low is 37 °F on Friday. There are expected to be 0 sunny days and rain on 6 days this week.

There are currently no weather alerts.

Monday, May 4

- High of 71 °F, low of 38 °F (45% humidity)
- Partly cloudy with a 31% chance of rain (0 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 6:01 AM, sunset at 8:07 PM
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1 / 6
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Tuesday, May 5

- High of 74 °F, low of 47 °F (60% humidity)
- Overcast with a 100% chance of rain (4 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 6:00 AM, sunset at 8:08 PM
2 / 6
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Wednesday, May 6

- High of 56 °F, low of 44 °F (99% humidity)
- Overcast with a 100% chance of rain (19 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Light breeze (5 mph wind)
- Sunrise at 5:59 AM, sunset at 8:09 PM
3 / 6
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Thursday, May 7

- High of 55 °F, low of 39 °F (63% humidity)
- Mostly cloudy with a 100% chance of rain (4 mm of rain)
- Moderate risk of harm from sun exposure (2 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 5:58 AM, sunset at 8:10 PM
4 / 6
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Friday, May 8

- High of 53 °F, low of 37 °F (69% humidity)
- Overcast with a 100% chance of rain (1 mm of rain)
- Gentle breeze (10 mph wind)
- Sunrise at 5:56 AM, sunset at 8:12 PM
5 / 6
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Saturday, May 9

- High of 56 °F, low of 41 °F (92% humidity)
- Overcast with a 100% chance of rain (12 mm of rain)
- Light breeze (6 mph wind)
- Sunrise at 5:55 AM, sunset at 8:13 PM
- Last quarter moon
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6 / 6
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Sunday, May 10

- High of 68 °F, low of 37 °F (38% humidity)
- Mostly cloudy with a 0% chance of rain
- Light breeze (5 mph wind)
- Sunrise at 5:54 AM, sunset at 8:14 PM

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