Weather forecast for 10 days
South Williamsport, PA

Weather forecast for the weekend

Saturday, Jun 21.

Partly Cloudy
5:33 am

8:46 pm
EDT
Partly Cloudy
88°F / 68°F
  • Wind: 8mph SW
  • Humidity: 63%
  • Precip. probability: 15%
  • Precipitation: 0"
  • UV index: 7
On Saturday, in South Williamsport, sun and clouds will share the sky, creating a partly cloudy day.
The highest temperature will be a humid 87.8°F, while the lowest predicted temperature is a pleasant 68°F.
On Saturday, the forecast leans hotter as the expected high better matches July's average of 81.7°F.
Sunrise will be at 5:33 am and sunset at 8:46 pm; the daylight will last for 15h and 13min.

Sunday, Jun 22.

Partly Cloudy
5:33 am

8:46 pm
EDT
Partly Cloudy
97°F / 72°F
  • Wind: 10mph W
  • Humidity: 61%
  • Precip. probability: 22%
  • Precipitation: 0"
  • UV index: 9
On Sunday, June 22, scattered clouds may briefly filter the sunlight, but it will remain bright overall.
The predicted temperature range extends from a high of a steamy 96.8°F to a low of an agreeable 71.6°F.
On Sunday, the forecast high deviates from June's norm and tracks July's average temperature of 81.7°F.
Sunrise will be at 5:33 am and sunset at 8:46 pm; the daylight will last for 15h and 13min.

Frequently asked questions

What is the weather forecast for South Williamsport for Saturday?
On Saturday, occasional cloudiness will be present, but there will still be plenty of sun.
What will be the maximum temperature on Saturday?
On Saturday, the highest temperature will be 87.8°F, while the lowest temperature will be 68°F.
What is the weather forecast for South Williamsport for Sunday?
On Sunday, in South Williamsport, moderate cloud cover will mix with sunshine throughout the day.
What will be the maximum temperature on Sunday?
On Sunday, the highest temperature will be 96.8°F, while the lowest temperature will be 71.6°F.
What is the weather forecast for South Williamsport for the next ten days?
In South Williamsport, a combination of cloudy, unstable and mostly clear weather is anticipated for the next ten days.
Will it rain in the next ten days?
Rainfall is forecasted for Wednesday through next Saturday in South Williamsport. Next Saturday, with moderate precipitation of 0.47", will be the day with the most rainfall.
How hot will it be in the next ten days?
The maximum temperature will range between 82.4°F and 96.8°F, as the minimum temperature will vary between 60.8°F and 73.4°F.
Including the humidity's impact, the maximum feel-like temperature will range between 84.2°F and 120.2°F.
What will be the hottest and the coldest days?
With a maximum temperature of 96.8°F, Sunday through Tuesday will be the hottest days. The coldest days will be Friday, next Friday and Saturday, with a maximum of 82.4°F.

Long-term weather forecast

ThuJun 19.
  • min.
  • 61°F
Partly Cloudy
Partly Cloudy
  • Wind: 13mph WNW
  • Humidity: 81%
  • UV index: 0
  • Precip. probability: 15%
  • Precipitation: 0"
  • 5:33 am 8:45 pm EDT
FriJun 20.
  • 82°F
  • 61°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph WNW
  • Humidity: 60%
  • UV index: 9
  • Precip. probability: 12%
  • Precipitation: 0"
  • 5:33 am 8:45 pm EDT
SatJun 21.
  • 88°F
  • 68°F
Partly Cloudy
Partly Cloudy
  • Wind: 8mph SW
  • Humidity: 63%
  • UV index: 7
  • Precip. probability: 15%
  • Precipitation: 0"
  • 5:33 am 8:46 pm EDT
SunJun 22.
  • 97°F
  • 72°F
Partly Cloudy
Partly Cloudy
  • Wind: 10mph W
  • Humidity: 61%
  • UV index: 9
  • Precip. probability: 22%
  • Precipitation: 0"
  • 5:33 am 8:46 pm EDT
MonJun 23.
  • 97°F
  • 73°F
Sunny
Sunny
  • Wind: 7mph WNW
  • Humidity: 58%
  • UV index: 9
  • Precip. probability: 8%
  • Precipitation: 0"
  • 5:34 am 8:46 pm EDT
TueJun 24.
  • 97°F
  • 72°F
Mostly Sunny
Mostly Sunny
  • Wind: 8mph WNW
  • Humidity: 55%
  • UV index: 9
  • Precip. probability: 10%
  • Precipitation: 0"
  • 5:34 am 8:46 pm EDT
WedJun 25.
  • 93°F
  • 70°F
PM Thunderstorms
PM Thunderstorms
  • Wind: 6mph NW
  • Humidity: 63%
  • UV index: 9
  • Precip. probability: 37%
  • Precipitation: 0.08"
  • 5:34 am 8:46 pm EDT
ThuJun 26.
  • 86°F
  • 70°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 6mph WSW
  • Humidity: 73%
  • UV index: 8
  • Precip. probability: 53%
  • Precipitation: 0.24"
  • 5:35 am 8:46 pm EDT
FriJun 27.
  • 82°F
  • 68°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 7mph S
  • Humidity: 79%
  • UV index: 7
  • Precip. probability: 56%
  • Precipitation: 0.31"
  • 5:35 am 8:46 pm EDT
SatJun 28.
  • 82°F
  • 68°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 8mph WSW
  • Humidity: 77%
  • UV index: 7
  • Precip. probability: 49%
  • Precipitation: 0.47"
  • 5:36 am 8:46 pm EDT
cloudy, lightning-active and clear weather is anticipated.
Rainfall is forecasted for Wednesday through next Saturday.
Temperature variation will be noticeable over the next several days. The temperature is expected to swing from 82.4°F up to 96.8°F, while the fluctuation in night temperatures will be also significant, as nighttime lows are forecast to fall between 60.8°F and 73.4°F.
The hottest days in South Williamsport will be Sunday through Tuesday, with a maximum of 96.8°F; Friday, next Friday and Saturday, with the highest temperature of 82.4°F, will be the coldest days in South Williamsport.
Taking the humidity into consideration, the maximum feel-like temperature may increase vastly and vary between 84.2°F and a dangerously hot 120.2°F.
Updated: Jun 20, 2025 @ 02:00:56 UTC
Published by: Weather U.S. | About Us
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