Earliest and Latest Days of 90° F in Baltimore

This is a list of the earliest and latest days in the year with a high temperature of at least 90 °F in Baltimore, Maryland history. It is based on NOAA data from the years 1871–2024.

Also see:

Earliest 90 degree day in Baltimore?

The earliest in the year that Baltimore, Maryland had a high temperature of at least 90 °F is April 6 which has happened twice, most recently in 2010.

Latest 90 degree day in Baltimore?

The latest in the year that Baltimore, Maryland had a high temperature of at least 90 °F is October 17 which happened in 1938.

Earliest Days ≥ 90 °F

Date	Year	Temperature
April 6	2010	90 °F
April 6	1929	90 °F
April 7	2010	90 °F
April 7	1929	93 °F
April 8	1929	91 °F
April 10	2013	91 °F
April 14	1941	91 °F
April 16	2012	90 °F
April 16	2002	90 °F
April 17	2002	93 °F
April 17	1976	90 °F
April 18	1976	93 °F
April 18	1896	94 °F
April 19	2004	90 °F
April 19	1995	90 °F
April 19	1985	91 °F
April 19	1976	91 °F
April 19	1896	93 °F
April 20	1941	92 °F
April 20	1927	90 °F

Latest Days ≥ 90 °F

Date	Year	Temperature
October 17	1938	90 °F
October 16	1897	90 °F
October 10	1939	93 °F
October 10	1939	93 °F
October 9	2007	94 °F
October 9	1939	92 °F
October 9	1939	91 °F
October 8	2007	91 °F
October 7	2007	92 °F
October 7	1941	94 °F
October 6	1941	98 °F
October 6	1922	90 °F
October 5	2013	90 °F
October 5	1959	90 °F
October 5	1951	92 °F
October 5	1941	99 °F
October 5	1922	91 °F
October 4	1954	92 °F
October 4	1941	91 °F
October 3	1919	92 °F