Williamsport August Weather

Averages and records for weather in Williamsport, Pennsylvania in the month of August.
Typical Williamsport August Weather
1991–2020
Average daily high 82.9 °F
Average daily low 61.3 °F
Average monthly precipitation 4.2 inches
Average monthly snow none
Daily chance of precipitation 34.0%
Daily chance of snow 0%
Williamsport August Weather Records
1895–2024
Highest temperature 103 °F August 7, 1918
Lowest temperature 38 °F August 30, 1965
Highest daily low 78 °F August 1, 1917
Lowest daily high 60 °F August 21, 2007
Hottest average high temperature 89.8 °F 1995
Coldest average high temperature 72.6 °F 1927
Most daily precipitation 5.2 inches August 24, 1933
Most monthly precipitation 9.7 inches 1912
Most daily snow none -
Most monthly snow none -
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
August 1 84.5 62.8 99 48
August 2 84.4 62.7 98 47
August 3 84.3 62.7 100 44
August 4 84.2 62.6 102 48
August 5 84.0 62.5 100 44
August 6 83.8 62.3 102 45
August 7 83.7 62.2 103 49
August 8 83.7 62.1 102 46
August 9 83.5 61.9 98 45
August 10 83.5 61.8 99 45
August 11 83.4 61.7 98 46
August 12 83.3 61.6 99 44
August 13 83.3 61.6 101 41
August 14 83.2 61.6 98 44
August 15 83.0 61.4 97 47
August 16 82.9 61.3 96 47
August 17 82.7 61.1 97 45
August 18 82.4 60.9 96 43
August 19 82.2 60.7 94 47
August 20 82.1 60.6 95 42
August 21 82.1 60.5 97 42
August 22 82.0 60.4 98 42
August 23 81.8 60.3 97 43
August 24 81.7 60.1 94 42
August 25 81.5 60.0 95 38
August 26 81.4 59.8 98 42
August 27 81.2 59.7 98 41
August 28 80.9 59.4 98 42
August 29 80.7 59.1 97 39
August 30 80.5 58.9 98 38
August 31 80.2 58.6 101 40
Weather Station Details
Years Station Coordinates
1948–2024 Williamsport location
1895–1947 Williamsport location