Williamsport 7-day weather forecast

Written by:
June 8, 2026
ESOlex // Shutterstock

Williamsport 7-day weather forecast

Stacker created the forecast for Williamsport, Pennsylvania using data from OpenWeather. This week's high is 84 °F on Thursday, while the low is 61 °F on Saturday. There is expected to be 1 sunny day and rain on 5 days this week.

NWS State College PA has issued a flood watch until Tuesday at 08:00 PM.

Monday, July 6

- High of 76 °F, low of 66 °F (96% humidity)
- Overcast with a 100% chance of rain (7 mm of rain)
- Light breeze (6 mph wind)
- Sunrise at 5:41 AM, sunset at 8:43 PM
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1 / 6
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Tuesday, July 7

- High of 75 °F, low of 62 °F (92% humidity)
- Overcast with a 48% chance of rain (0 mm of rain)
- Moderate risk of harm from sun exposure (2 UV index)
- Light breeze (4 mph wind)
- Sunrise at 5:42 AM, sunset at 8:43 PM
- Last quarter moon
2 / 6
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Wednesday, July 8

- High of 82 °F, low of 63 °F (59% humidity)
- Mostly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Light breeze (7 mph wind)
- Sunrise at 5:42 AM, sunset at 8:43 PM
3 / 6
Leszek Glasner // Shutterstock

Thursday, July 9

- High of 84 °F, low of 64 °F (65% humidity)
- Overcast with a 100% chance of rain (3 mm of rain)
- Very high risk of harm from sun exposure (9 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 5:43 AM, sunset at 8:42 PM
4 / 6
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Friday, July 10

- High of 77 °F, low of 66 °F (91% humidity)
- Overcast with a 100% chance of rain (6 mm of rain)
- Light breeze (5 mph wind)
- Sunrise at 5:44 AM, sunset at 8:42 PM
5 / 6
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Saturday, July 11

- High of 84 °F, low of 61 °F (33% humidity)
- Sunny with a 0% chance of rain
- Light breeze (6 mph wind)
- Sunrise at 5:44 AM, sunset at 8:41 PM
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6 / 6
Alex Stemmer // Shutterstock

Sunday, July 12

- High of 77 °F, low of 61 °F (68% humidity)
- Overcast with a 32% chance of rain (1 mm of rain)
- Light breeze (6 mph wind)
- Sunrise at 5:45 AM, sunset at 8:41 PM

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