South Williamsport Weather Today

Temperature, Feels Like, Rain Chance & Hourly Forecast in South Williamsport

South Williamsport temperature today is 17°, feels like 17°, with a humidity level of 84% and wind at 5.54 km/h. Rain chance today is 0%. Use the hourly forecast and 5-day outlook below to plan your day.

Tomorrow in South Williamsport: expect a high of 26° and a low of 19°, with moderate rain. Rain chance tomorrow is 100%.

clear sky
17°
clear sky
H: 19° L: 16°
Feels like 17°
AQI: Fair (2/5)
Humidity
84%
Dew 14°
Wind speed
5.54 km/h
E
Pressure
1028 hPa
Visibility
10 km
Weather Summary
Currently in South Williamsport, expect varied conditions with mild temperatures around 17°. Winds are a light breeze. High humidity may make it feel uncomfortable.
Precipitation Probability
0%
11
0%
14
89%
17
20%
20
0%
23
0%
02
0%
05
0%
08
100%
11
94%
14
87%
17
22%
20
20%
23
0%
02
0%
05
0%
08
Evolution
Daily Weather Forecast Evolution (°C)
Lowest temperature
Highest temperature
Temperature Forecast (48h)
20°
Wed
11:00
27°
 
26°
 
22°
 
20°
Wed
23:00
19°
 
19°
 
20°
 
22°
Thu
11:00
25°
 
26°
 
22°
 
21°
Thu
23:00
20°
 
19°
 
17°
 
Hot (≥30°)
Warm
Cool
Cold (<0°)
Weather Map
Sun & Moon
Sunrise
Sunrise
06:49
Sunset
Sunset
19:16
Moon Phase
Waxing Crescent (23%)
Timezone: GMT+05:30
Last updated: Sep 16, 2026 6:12 PM · Data refreshes every 5 min
Location Info
Latitude
Latitude
41.232021
Longitude
Longitude
-76.999130
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More about South Williamsport
Content curated by the NearWeather editorial team · Updated periodically
South Williamsport is a borough located in Lycoming County, Pennsylvania, in the United States. It is located in the Susquehanna Valley near the West Branch of the Susquehanna River. The climate of South Williamsport is classified as humid continental, meaning it experiences hot summers and cold winters. The average weather year-round is usually mild, with temperatures ranging from the mid-30s in the winter to the mid-80s in the summer. Rainfall is evenly distributed throughout the year, with snowfall occurring in the winter months. The average yearly precipitation is approximately 41 inches.
Weather data sourced from OpenWeatherMap. Forecasts are estimates and may differ from actual conditions. For severe weather, consult your local meteorological authority.
FAQ's about South Williamsport
What is the temperature in South Williamsport right now?

The current temperature in South Williamsport is 17°, and it feels like 17°. Today's high is 19° and the low is 16°.

Will it rain in South Williamsport today?

No rain is expected in South Williamsport today (0% chance). Conditions are currently clear sky.

What is the weather in South Williamsport today?

South Williamsport is experiencing clear sky with a temperature of 17°. Humidity is at 84% and wind speed is 5.54 km/h from the E.

What is the humidity in South Williamsport today?

Humidity in South Williamsport is 84% right now, with a dew point of 14°. Conditions may feel muggy or uncomfortable.

What is the wind speed in South Williamsport today?

Wind speed in South Williamsport is 5.54 km/h, flowing at 100° E wind direction.

What is the 5-day forecast for South Williamsport?

NearWeather provides a detailed 5-day forecast and 48-hour hourly forecast for South Williamsport. Today's high is 19° and low is 16°, with a 0% chance of rain. Scroll up to view the full day-by-day and hourly breakdown.

What does it feel like in South Williamsport today?

It feels like 17° in South Williamsport today, with 4% cloud cover and 10 km visibility.

Weather in South Williamsport