Williamsport Consecutive 100 Degree Days

This page shows the record for the most days in a row in Williamsport, Pennsylvania where the high temperature was at least 100 °F, from 1895–2024.

Also see:

Years with most 100° days
Earliest / latest 100° days

Longest Streak: 3 Days

Between Jul 6–8, 1988, the daily high temperature in Williamsport was always at least 100 °F – a span of 3 days.

# Days	When
3	Jul 6–8, 1988
3	Jul 9–11, 1936
3	Aug 31 – Sep 2, 1932
3	Jun 4–6, 1925
3	Aug 6–8, 1918
2	Jul 21–22, 2011
2	Jul 19–20, 1991
2	Sep 2–3, 1953
2	Jun 25–26, 1952
2	Jun 30 – Jul 1, 1931
2	Aug 3–4, 1930
2	Jul 21–22, 1926
2	Jun 24–25, 1923