Weather forecast for 10 days
Williamsport, PA

Weather forecast for the weekend

Saturday, May 17.

AM Thunderstorms
5:45 am

8:23 pm
EDT
AM Thunderstorms
81°F / 55°F
  • Wind: 14mph SW
  • Humidity: 63%
  • Precip. probability: 34%
  • Precipitation: 0.12"
  • UV index: 8
On Saturday, in Williamsport, early showers may develop into thunderstorms with lightning and downpours.
Minimal precipitation is forecasted. Expected temperatures will peak at a moderately hot 80.6°F and dip to a minimum of a mild 55.4°F.
On Saturday, it will be warmer with a forecast high that reflects June's climate of 76.1°F.
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
66°F / 50°F
  • Wind: 16mph WNW
  • Humidity: 63%
  • Precip. probability: 21%
  • Precipitation: 0"
  • UV index: 7
On Sunday, in Williamsport, mostly clear with scattered clouds is expected.
Rainfall is not forecasted. The temperature is anticipated to vary between a maximum of a comfortable 66.2°F and a minimum of a fresh 50°F.
The high temperature is predicted to match May's standard maximum of 68.4°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 Williamsport for Saturday?
On Saturday, expect thunderstorms and rain showers throughout the morning.
Will it rain on Saturday?
On Saturday, there is a low chance of minimal precipitation in Williamsport.
What will be the highest temperature on Saturday?
On Saturday, the highest temperature in Williamsport will be 80.6°F, while the lowest temperature will be 55.4°F.
What is the weather forecast for Williamsport for Sunday?
On Sunday, some passing clouds may drift through, but the sun will shine at times.
Will it rain on Sunday?
No, it will not rain on Sunday.
What will be the highest temperature on Sunday?
On Sunday, the maximum temperature will be 66.2°F, while the minimum temperature will be 50°F.
What is the weather forecast for Williamsport for the next ten days?
In Williamsport, a combination of rainy, gloomy and storm-filled weather is expected for the next ten days.
Will it rain in the next ten days in Williamsport?
Rainfall is predicted for Thursday through Saturday, Wednesday through next Friday in Williamsport. With moderate precipitation of 0.47", next Thursday will be the day with the most rainfall.
How warm will it be in the next ten days?
The maximum temperature will vary between 57.2°F and 82.4°F, as the minimum temperature will range between 44.6°F and 62.6°F.
What will be the warmest and the coldest days?
Tomorrow will be the warmest day, with a maximum temperature of 82.4°F. With a maximum temperature of 57.2°F, next Thursday will be the coldest day.

Long-term weather forecast

ThuMay 15.
  • 75°F
  • 59°F
PM Showers
PM Showers
  • Wind: 4mph SE
  • Humidity: 78%
  • UV index: 5
  • Precip. probability: 37%
  • Precipitation: 0.04"
  • 5:47 am 8:21 pm EDT
FriMay 16.
  • 82°F
  • 63°F
AM Thunderstorms
AM Thunderstorms
  • Wind: 6mph SSW
  • Humidity: 75%
  • UV index: 6
  • Precip. probability: 82%
  • Precipitation: 0.39"
  • 5:46 am 8:22 pm EDT
SatMay 17.
  • 81°F
  • 55°F
AM Thunderstorms
AM Thunderstorms
  • Wind: 14mph SW
  • Humidity: 63%
  • UV index: 8
  • Precip. probability: 34%
  • Precipitation: 0.12"
  • 5:45 am 8:23 pm EDT
SunMay 18.
  • 66°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Wind: 16mph WNW
  • Humidity: 63%
  • UV index: 7
  • Precip. probability: 21%
  • Precipitation: 0"
  • 5:44 am 8:24 pm EDT
MonMay 19.
  • 66°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph NW
  • Humidity: 55%
  • UV index: 8
  • Precip. probability: 4%
  • Precipitation: 0"
  • 5:43 am 8:25 pm EDT
TueMay 20.
  • 68°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph N
  • Humidity: 48%
  • UV index: 8
  • Precip. probability: 2%
  • Precipitation: 0"
  • 5:42 am 8:26 pm EDT
WedMay 21.
  • 64°F
  • 50°F
Showers
Showers
  • Wind: 11mph ESE
  • Humidity: 67%
  • UV index: 6
  • Precip. probability: 49%
  • Precipitation: 0.39"
  • 5:42 am 8:27 pm EDT
ThuMay 22.
  • 57°F
  • 50°F
Showers
Showers
  • Wind: 9mph ESE
  • Humidity: 81%
  • UV index: 4
  • Precip. probability: 56%
  • Precipitation: 0.47"
  • 5:41 am 8:28 pm EDT
FriMay 23.
  • 61°F
  • 50°F
Showers
Showers
  • Wind: 10mph NW
  • Humidity: 68%
  • UV index: 5
  • Precip. probability: 43%
  • Precipitation: 0.12"
  • 5:40 am 8:28 pm EDT
SatMay 24.
  • 64°F
  • 50°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 11mph WNW
  • Humidity: 63%
  • UV index: 7
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:39 am 8:29 pm EDT
During the ten-day period, rain-soaked, cloud-filled and stormy weather is anticipated.
Rainfall is predicted for Thursday through Saturday, Wednesday through next Friday.
Temperature differences will be noticeable throughout the forecast window. The maximum temperature will vary between 57.2°F and 82.4°F, while the fluctuation in night temperatures will be also significant, as the lowest temperatures will be recorded between 44.6°F and 62.6°F.
Friday will be the warmest day, with a maximum temperature of 82.4°F; next Thursday will be the coldest day, with the highest temperature of 57.2°F.
Updated: May 15, 2025 @ 12:24:14 UTC
Published by: Weather U.S. | About Us
Data Sources | |
Weather Forecasting & Climate
Share