South Williamsport, PA weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in South Williamsport now
Loading the National Weather Service forecast…
South Williamsport weather by the hour
South Williamsport weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of South Williamsport.
This week in South Williamsport
Sunrise, sunset and moon in South Williamsport
What is the weather usually like in South Williamsport?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 86°F average high
- Januarycoldest month · 20°F average low
- 42.7 inprecipitation per year · 1,085 mm
- 32.6 insnowfall per year · 83 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit South Williamsport: May–June and August–September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station WILLIAMSPORT 2, PA US (USC00369735), adjusted for the elevation of South Williamsport.
South Williamsport weather month by month
Sunrise and sunset in South Williamsport through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:29 AM | 5:05 PM | 9 h 35 min |
| February | 7:00 AM | 5:43 PM | 10 h 42 min |
| March | 7:17 AM | 7:15 PM | 11 h 58 min |
| April | 6:26 AM | 7:49 PM | 13 h 22 min |
| May | 5:47 AM | 8:21 PM | 14 h 33 min |
| June | 5:32 AM | 8:44 PM | 15 h 11 min |
| July | 5:46 AM | 8:41 PM | 14 h 54 min |
| August | 6:16 AM | 8:08 PM | 13 h 52 min |
| September | 6:47 AM | 7:18 PM | 12 h 31 min |
| October | 7:18 AM | 6:28 PM | 11 h 10 min |
| November | 6:54 AM | 4:50 PM | 9 h 55 min |
| December | 7:25 AM | 4:41 PM | 9 h 16 min |
Times for the 15th of each month, local time (America/New York).
What is the weather like in South Williamsport?
South Williamsport has a hot-summer humid continental climate. The warmest month is July, with an average high of 86°F (30°C), and the coldest is January, with average lows of 20°F (-6°C).
It gets about 42.7 inches (1,085 mm) of precipitation a year. The wettest month is September and the driest is February. Snow is common: about 33 inches fall in an average year.
The best time to visit South Williamsport is May–June and August–September. At 522 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about South Williamsport
Weather in towns near South Williamsport
Questions about the weather in South Williamsport
What is the hottest month in South Williamsport?
July, with an average high of 86°F (30°C).
What is the coldest month in South Williamsport?
January, with an average low of 20°F (-6°C).
How much does it rain in South Williamsport?
About 42.7 inches (1,085 mm) a year; the wettest month is September.
Does it snow in South Williamsport?
Yes, about 33 inches of snow fall in an average year.
When is the best time to visit South Williamsport?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does South Williamsport have?
Hot-summer humid continental (Köppen Dfa).
What is the weather like in South Williamsport in November?
Highs average 51°F and lows 33°F, with about 3.1 inches of precipitation.
What time is sunrise in South Williamsport?
Around 6:54 AM in mid-November, and sunset around 4:50 PM. Today’s exact times are shown above.
Where does this South Williamsport weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of South Williamsport.
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