
ESOlex // Shutterstock
Williamsport 7-day weather forecast
Stacker created the forecast for Williamsport, Pennsylvania using data from OpenWeather. This week's high is 95 °F on Sunday, while the low is 54 °F on Saturday. There are expected to be 0 sunny days and rain on 6 days this week.
There are currently no weather alerts.
Monday, June 16
- High of 67 °F, low of 60 °F (98% humidity)- Overcast with a 91% chance of rain (2 mm of rain)
- Light air (3 mph wind)
- Sunrise at 5:34 AM, sunset at 8:43 PM
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1 / 6
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Tuesday, June 17
- High of 66 °F, low of 60 °F (99% humidity)
- Overcast with a 100% chance of rain (20 mm of rain)
- Light breeze (4 mph wind)
- Sunrise at 5:34 AM, sunset at 8:43 PM
- Overcast with a 100% chance of rain (20 mm of rain)
- Light breeze (4 mph wind)
- Sunrise at 5:34 AM, sunset at 8:43 PM

2 / 6
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Wednesday, June 18
- High of 78 °F, low of 63 °F (92% humidity)
- Overcast with a 100% chance of rain (13 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Light air (3 mph wind)
- Sunrise at 5:34 AM, sunset at 8:43 PM
- Last quarter moon
- Overcast with a 100% chance of rain (13 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Light air (3 mph wind)
- Sunrise at 5:34 AM, sunset at 8:43 PM
- Last quarter moon

3 / 6
IKO-studio // Shutterstock
Thursday, June 19
- High of 85 °F, low of 65 °F (71% humidity)
- Partly sunny with a 100% chance of rain (22 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 5:34 AM, sunset at 8:43 PM
- Partly sunny with a 100% chance of rain (22 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 5:34 AM, sunset at 8:43 PM

4 / 6
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Friday, June 20
- High of 80 °F, low of 60 °F (56% humidity)
- Partly cloudy with a 100% chance of rain (1 mm of rain)
- Gentle breeze (12 mph wind)
- Sunrise at 5:35 AM, sunset at 8:44 PM
- Partly cloudy with a 100% chance of rain (1 mm of rain)
- Gentle breeze (12 mph wind)
- Sunrise at 5:35 AM, sunset at 8:44 PM

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Alex Stemmer // Shutterstock
Saturday, June 21
- High of 72 °F, low of 54 °F (72% humidity)
- Overcast with a 100% chance of rain (1 mm of rain)
- Light air (3 mph wind)
- Sunrise at 5:35 AM, sunset at 8:44 PM
- Overcast with a 100% chance of rain (1 mm of rain)
- Light air (3 mph wind)
- Sunrise at 5:35 AM, sunset at 8:44 PM
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Flamingo Images // Shutterstock
Sunday, June 22
- High of 95 °F, low of 65 °F (43% humidity)
- Overcast with a 0% chance of rain
- Moderate breeze (13 mph wind)
- Sunrise at 5:35 AM, sunset at 8:44 PM
- Overcast with a 0% chance of rain
- Moderate breeze (13 mph wind)
- Sunrise at 5:35 AM, sunset at 8:44 PM