Earliest and Latest Days of 80° F in Philadelphia

This is a list of the earliest and latest days in the year with a high temperature of at least 80 °F in Philadelphia, Pennsylvania history. It is based on NOAA data from the years 1894–2024.

Also see:

Earliest 80 degree day in Philadelphia?

The earliest in the year that Philadelphia, Pennsylvania had a high temperature of at least 80 °F is March 8 which happened in 2000.

Latest 80 degree day in Philadelphia?

The latest in the year that Philadelphia, Pennsylvania had a high temperature of at least 80 °F is November 15 which happened in 1993.

Earliest Days ≥ 80 °F

Date	Year	Temperature
March 8	2000	80 °F
March 9	2016	82 °F
March 10	2016	82 °F
March 12	1990	83 °F
March 13	1990	84 °F
March 14	1990	85 °F
March 15	1990	81 °F
March 16	1990	80 °F
March 16	1945	82 °F
March 17	1945	86 °F
March 20	1945	83 °F
March 21	1948	85 °F
March 22	1948	80 °F
March 22	1921	82 °F
March 23	2012	80 °F
March 25	1939	81 °F
March 26	2021	83 °F
March 27	2007	82 °F
March 27	1998	82 °F
March 27	1921	80 °F

Latest Days ≥ 80 °F

Date	Year	Temperature
November 15	1993	81 °F
November 5	1975	80 °F
November 5	1961	80 °F
November 4	2015	80 °F
November 4	1974	81 °F
November 3	1990	80 °F
November 2	1974	80 °F
November 2	1950	81 °F
November 1	1974	81 °F
November 1	1950	84 °F
October 31	1946	82 °F
October 31	1933	80 °F
October 30	1950	80 °F
October 30	1946	81 °F
October 29	1919	83 °F
October 28	2023	83 °F
October 28	1984	81 °F
October 27	1963	80 °F
October 26	2023	80 °F
October 24	2001	83 °F