
ESOlex // Shutterstock
Williamsport 7-day weather forecast
Stacker created the forecast for Williamsport, Pennsylvania using data from OpenWeather. This week's high is 89 °F on Tuesday, while the low is 65 °F on Tuesday. There is expected to be 1 sunny day and rain on 6 days this week.
There are currently no weather alerts.
Monday, July 14
- High of 86 °F, low of 68 °F (81% humidity)- Mostly cloudy with a 100% chance of rain (12 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Light breeze (4 mph wind)
- Sunrise at 5:47 AM, sunset at 8:40 PM
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1 / 6
South12th Photography // Shutterstock
Tuesday, July 15
- High of 89 °F, low of 65 °F (52% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Light breeze (7 mph wind)
- Sunrise at 5:48 AM, sunset at 8:39 PM
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Light breeze (7 mph wind)
- Sunrise at 5:48 AM, sunset at 8:39 PM

2 / 6
Maxim Grohotov // Shutterstock
Wednesday, July 16
- High of 85 °F, low of 69 °F (78% humidity)
- Overcast with a 100% chance of rain (6 mm of rain)
- Very high risk of harm from sun exposure (9 UV index)
- Light breeze (6 mph wind)
- Sunrise at 5:48 AM, sunset at 8:38 PM
- Overcast with a 100% chance of rain (6 mm of rain)
- Very high risk of harm from sun exposure (9 UV index)
- Light breeze (6 mph wind)
- Sunrise at 5:48 AM, sunset at 8:38 PM

3 / 6
otsphoto // Shutterstock
Thursday, July 17
- High of 83 °F, low of 68 °F (68% humidity)
- Overcast with a 100% chance of rain (5 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Light breeze (7 mph wind)
- Sunrise at 5:49 AM, sunset at 8:38 PM
- Last quarter moon
- Overcast with a 100% chance of rain (5 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Light breeze (7 mph wind)
- Sunrise at 5:49 AM, sunset at 8:38 PM
- Last quarter moon

4 / 6
AnnaElizabeth photography // Shutterstock
Friday, July 18
- High of 85 °F, low of 70 °F (93% humidity)
- Mostly cloudy with a 100% chance of rain (7 mm of rain)
- Light breeze (7 mph wind)
- Sunrise at 5:50 AM, sunset at 8:37 PM
- Mostly cloudy with a 100% chance of rain (7 mm of rain)
- Light breeze (7 mph wind)
- Sunrise at 5:50 AM, sunset at 8:37 PM

5 / 6
Ahmet Naim // Shutterstock
Saturday, July 19
- High of 86 °F, low of 66 °F (48% humidity)
- Partly cloudy with a 20% chance of rain (0 mm of rain)
- Light breeze (4 mph wind)
- Sunrise at 5:51 AM, sunset at 8:36 PM
- Partly cloudy with a 20% chance of rain (0 mm of rain)
- Light breeze (4 mph wind)
- Sunrise at 5:51 AM, sunset at 8:36 PM
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6 / 6
Alex Linch // Shutterstock
Sunday, July 20
- High of 72 °F, low of 65 °F (99% humidity)
- Overcast with a 100% chance of rain (8 mm of rain)
- Light air (2 mph wind)
- Sunrise at 5:52 AM, sunset at 8:36 PM
- Overcast with a 100% chance of rain (8 mm of rain)
- Light air (2 mph wind)
- Sunrise at 5:52 AM, sunset at 8:36 PM