Highest Daily Low Temperatures in Williamsport History

This is a list of the hottest daily low temperatures ever recorded in Williamsport, Pennsylvania history from 1895–2024 based on data from the NOAA.

Highest temperatures all-time

Record for the highest daily low temperature in Williamsport

The highest low temperature for a calendar day in Williamsport, Pennsylvania history was 89 °F which happened on Monday, July 3, 1911.

Rank	Temperature	Date
1	89 °F	July 3, 1911
2	86 °F	July 4, 1911
3	83 °F	July 7, 1911
4	81 °F	June 20, 1905
5	79 °F	June 14, 1902
6	78 °F	July 15, 1995
6	78 °F	August 1, 1917
6	78 °F	July 2, 1913
6	78 °F	July 12, 1911
6	78 °F	July 3, 1901
6	78 °F	June 30, 1901
6	78 °F	July 5, 1899
13	77 °F	July 23, 2011
13	77 °F	July 31, 1917
13	77 °F	July 25, 1910
13	77 °F	July 30, 1901
13	77 °F	July 15, 1901
13	77 °F	July 6, 1901
13	77 °F	July 4, 1901
13	77 °F	July 2, 1901