Weather forecast for 10 days
South Williamsport, PA

Weather forecast for the weekend

Saturday, May 17.

Showers
5:45 am

8:23 pm
EDT
Showers
79°F / 59°F
  • Wind: 9mph SW
  • Humidity: 71%
  • Precip. probability: 47%
  • Precipitation: 0.2"
  • UV index: 6
On Saturday, in South Williamsport, showers are expected to spread throughout the day, with the heaviest rain expected in the morning.
With a low probability, light precipitation is anticipated. A temperature range of a moderately hot 78.8°F to a moderate 59°F is forecasted.
The predicted temperature of 78.8°F resembles June's typical high of 76.1°F more than May's.
Sunrise will be at 5:45 am and sunset at 8:23 pm; the daylight will last for 14h and 38min.

Sunday, May 18.

Partly Cloudy
5:44 am

8:24 pm
EDT
Partly Cloudy
75°F / 54°F
  • Wind: 13mph W
  • Humidity: 54%
  • Precip. probability: 9%
  • Precipitation: 0"
  • UV index: 7
On Sunday, in South Williamsport, a pleasant mix of sun and clouds will define the day.
Rain is not anticipated. The temperature will vary between a maximum of a moderately hot 75.2°F and a minimum of a crisp 53.6°F.
On Sunday, the forecast leans warmer as the expected high better matches June's average of 76.1°F.
Sunrise will be at 5:44 am and sunset at 8:24 pm; the daylight will last for 14h and 40min.

Frequently asked questions

What is the weather forecast for South Williamsport for Saturday?
On Saturday, in South Williamsport, expect showers at times, with periods of lighter rain during the day.
Will it rain on Saturday?
Light precipitation of 0.2" is predicted on Saturday. The possibility of rainfall is 47%.
What will be the maximum temperature on Saturday?
On Saturday, the maximum temperature will be 78.8°F, while the minimum temperature will be 59°F.
What is the weather forecast for South Williamsport for Sunday?
On Sunday, thin clouds will pass through at times, but overall, it will remain bright.
Will it rain on Sunday?
No, it will not rain on Sunday.
What will be the maximum temperature on Sunday?
On Sunday, the highest temperature will be 75.2°F, while the lowest temperature will be 53.6°F.
What is the weather forecast for South Williamsport for the next ten days?
In South Williamsport, a combination of rain-filled, dull and stormy weather is expected for the next ten days.
Will it rain in the next ten days in South Williamsport?
Rain is expected on Tuesday, Wednesday, Friday, Saturday, next Tuesday through next Thursday in South Williamsport. Tuesday, with heavy precipitation of 1.22", will be the day with the most rainfall.
How warm will it be in the next ten days?
The maximum temperature will range between 64.4°F and 80.6°F, while the minimum temperature will range between 50°F and 60.8°F.
What will be the warmest and the coldest days?
The warmest day will be Friday, with a maximum of 80.6°F. Next Wednesday will be the coldest day, with a maximum temperature of 64.4°F.

Long-term weather forecast

TueMay 13.
  • 66°F
  • 59°F
Rain
Rain
  • Wind: 12mph ESE
  • Humidity: 88%
  • UV index: 2
  • Precip. probability: 100%
  • Precipitation: 1.22"
  • 5:49 am 8:19 pm EDT
WedMay 14.
  • 66°F
  • 59°F
Rain
Rain
  • Wind: 9mph ESE
  • Humidity: 86%
  • UV index: 4
  • Precip. probability: 93%
  • Precipitation: 0.47"
  • 5:48 am 8:20 pm EDT
ThuMay 15.
  • 77°F
  • 61°F
Cloudy
Cloudy
  • Wind: 6mph SE
  • Humidity: 76%
  • UV index: 5
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:47 am 8:21 pm EDT
FriMay 16.
  • 81°F
  • 61°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 7mph SSW
  • Humidity: 76%
  • UV index: 4
  • Precip. probability: 63%
  • Precipitation: 0.24"
  • 5:46 am 8:22 pm EDT
SatMay 17.
  • 79°F
  • 59°F
Showers
Showers
  • Wind: 9mph SW
  • Humidity: 71%
  • UV index: 6
  • Precip. probability: 47%
  • Precipitation: 0.2"
  • 5:45 am 8:23 pm EDT
SunMay 18.
  • 75°F
  • 54°F
Partly Cloudy
Partly Cloudy
  • Wind: 13mph W
  • Humidity: 54%
  • UV index: 7
  • Precip. probability: 9%
  • Precipitation: 0"
  • 5:44 am 8:24 pm EDT
MonMay 19.
  • 72°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph NW
  • Humidity: 55%
  • UV index: 7
  • Precip. probability: 12%
  • Precipitation: 0"
  • 5:43 am 8:25 pm EDT
TueMay 20.
  • 72°F
  • 54°F
Partly Cloudy
Partly Cloudy
  • Wind: 8mph NNW
  • Humidity: 52%
  • UV index: 8
  • Precip. probability: 18%
  • Precipitation: 0.04"
  • 5:43 am 8:26 pm EDT
WedMay 21.
  • 64°F
  • 54°F
Showers
Showers
  • Wind: 11mph SSE
  • Humidity: 70%
  • UV index: 5
  • Precip. probability: 57%
  • Precipitation: 0.47"
  • 5:42 am 8:27 pm EDT
ThuMay 22.
  • 66°F
  • 52°F
Showers
Showers
  • Wind: 11mph WSW
  • Humidity: 72%
  • UV index: 5
  • Precip. probability: 50%
  • Precipitation: 0.43"
  • 5:41 am 8:27 pm EDT
Over the next ten days, a mix of showery, overcast and stormy weather is anticipated.
Rain is anticipated on Tuesday, Wednesday, Friday, Saturday, next Tuesday through next Thursday.
There will be a considerable variation in temperature in the upcoming period. Forecast highs will fluctuate between 64.4°F and 80.6°F, while nighttime temperatures are expected to vary from 50°F to 60.8°F.
Friday will be the warmest day, with a maximum temperature of 80.6°F; with the highest temperature of 64.4°F, next Wednesday will be the coldest day.
Updated: May 13, 2025 @ 13:34:20 UTC
Published by: Weather U.S. | About Us
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