https://weatheronthisday.com/today Weather On This Day en 2026-05-21 May 21 Weather History: When San Francisco Sizzled: The 90-Degree May Day That Defied the Fog https://weatheronthisday.com/city/new-york-city/today Weather On This Day en 2026-05-21 New York City hit 96°F on May 21, 1996—a scorching record high https://weatheronthisday.com/city/los-angeles/today Weather On This Day en 2026-05-21 Los Angeles hit 88°F on this date in 2005 https://weatheronthisday.com/city/chicago/today Weather On This Day en 2026-05-21 Chicago hit 89°F on May 21, 1977 - a record that still stands https://weatheronthisday.com/city/houston/today Weather On This Day en 2026-05-21 Houston hits 98°F record on May 21, 2008 https://weatheronthisday.com/city/phoenix/today Weather On This Day en 2026-05-21 Phoenix on May 21: Record heat near 108°F possible https://weatheronthisday.com/city/philadelphia/today Weather On This Day en 2026-05-21 Philadelphia hits 91°F record on May 21, 1996 https://weatheronthisday.com/city/san-antonio/today Weather On This Day en 2026-05-21 San Antonio hits scorching 106°F record on May 21, 2022 https://weatheronthisday.com/city/san-diego/today Weather On This Day en 2026-05-21 San Diego hits 78°F record on May 21, 2005 https://weatheronthisday.com/city/dallas/today Weather On This Day en 2026-05-21 Dallas hits 99°F on May 21, 2005: Record high scorches the city https://weatheronthisday.com/city/austin/today Weather On This Day en 2026-05-21 Austin hits 100°F on May 21, 2008 - hottest on record https://weatheronthisday.com/city/jacksonville/today Weather On This Day en 2026-05-21 Jacksonville hits 99°F record on May 21, 1998 https://weatheronthisday.com/city/columbus/today Weather On This Day en 2026-05-21 Columbus hits 91°F in record-breaking May 21 heat from 1975 https://weatheronthisday.com/city/charlotte/today Weather On This Day en 2026-05-21 Charlotte hits 92°F record on May 21, 1998 https://weatheronthisday.com/city/san-francisco/today Weather On This Day en 2026-05-21 San Francisco hit 90°F on May 21, 2000 - a stunning 25-degree jump above normal https://weatheronthisday.com/city/indianapolis/today Weather On This Day en 2026-05-21 Indianapolis hit 89°F on May 21, 1972 — a historic spring peak https://weatheronthisday.com/city/seattle/today Weather On This Day en 2026-05-21 Seattle reaches 83°F on May 21, 1988: A rare spring heat record https://weatheronthisday.com/city/denver/today Weather On This Day en 2026-05-21 Denver hits 91°F on May 21, shattering typical spring temperatures https://weatheronthisday.com/city/boston/today Weather On This Day en 2026-05-21 Boston's May 21 Record: Heat soared to 92°F in 2009 https://weatheronthisday.com/city/detroit/today Weather On This Day en 2026-05-21 Detroit hit 91°F on May 21, 1975 - nearly 20 degrees above average https://weatheronthisday.com/city/nashville/today Weather On This Day en 2026-05-21 Nashville hits 91°F record on May 21, 2018 https://weatheronthisday.com/city/portland/today Weather On This Day en 2026-05-21 Portland hits 92°F on May 21, 1988 - 24 degrees above normal https://weatheronthisday.com/city/memphis/today Weather On This Day en 2026-05-21 Memphis hits 94°F record on May 21, 1987 https://weatheronthisday.com/city/oklahoma-city/today Weather On This Day en 2026-05-21 Oklahoma City hits 98°F on May 21, 2005 https://weatheronthisday.com/city/las-vegas/today Weather On This Day en 2026-05-21 Las Vegas hit 103°F on May 21, 2012, a scorching record high https://weatheronthisday.com/city/louisville/today Weather On This Day en 2026-05-21 Louisville hits 90°F on May 21, 2013 - hottest on record https://weatheronthisday.com/city/baltimore/today Weather On This Day en 2026-05-21 Baltimore hits 96°F on May 21, 1996 - hottest on record https://weatheronthisday.com/city/milwaukee/today Weather On This Day en 2026-05-21 Milwaukee hit 87°F on May 21, 1987 — a record high for spring https://weatheronthisday.com/city/albuquerque/today Weather On This Day en 2026-05-21 Albuquerque hits 96°F on May 21 in record-breaking 2005 https://weatheronthisday.com/city/tucson/today Weather On This Day en 2026-05-21 Tucson May 21 Can Scorch: Record 106°F in 2005 https://weatheronthisday.com/city/sacramento/today Weather On This Day en 2026-05-21 Sacramento's May 21 Record: Extreme Heat Reaches 102°F https://weatheronthisday.com/city/atlanta/today Weather On This Day en 2026-05-21 Atlanta hits 93°F on May 21, 1996 in historic heat spike https://weatheronthisday.com/city/kansas-city/today Weather On This Day en 2026-05-21 Kansas City hits 89°F record on May 21, 1972 https://weatheronthisday.com/city/raleigh/today Weather On This Day en 2026-05-21 Raleigh hits record 95°F on May 21, 2022 https://weatheronthisday.com/city/miami/today Weather On This Day en 2026-05-21 Miami on May 21: Record heat reached 95°F in 2008 https://weatheronthisday.com/city/minneapolis/today Weather On This Day en 2026-05-21 Minneapolis hit 90°F on May 21, 1972, a scorching record https://weatheronthisday.com/city/tampa/today Weather On This Day en 2026-05-21 Tampa hits 95°F on May 21, 1975 as heat records fall https://weatheronthisday.com/city/new-orleans/today Weather On This Day en 2026-05-21 New Orleans hits 93°F record on May 21, 1978 https://weatheronthisday.com/city/cleveland/today Weather On This Day en 2026-05-21 Cleveland's May 21 Record High Reached 92°F in 1977 https://weatheronthisday.com/city/honolulu/today Weather On This Day en 2026-05-21 Honolulu hits 88°F record on May 21, 1978 https://weatheronthisday.com/city/cincinnati/today Weather On This Day en 2026-05-21 Cincinnati hits 91°F on May 21, 1975 for record high https://weatheronthisday.com/city/st-louis/today Weather On This Day en 2026-05-21 St. Louis hits 92°F on May 21, 1972 - still the record https://weatheronthisday.com/city/pittsburgh/today Weather On This Day en 2026-05-21 Pittsburgh's May 21 record high of 89°F set back in 1977 https://weatheronthisday.com/city/anchorage/today Weather On This Day en 2026-05-21 Anchorage's May 21 record high of 74°F in 2002 far exceeds typical spring temperatures https://weatheronthisday.com/city/orlando/today Weather On This Day en 2026-05-21 Orlando hit 97°F on May 21, 2020, breaking the heat record https://weatheronthisday.com/city/richmond/today Weather On This Day en 2026-05-21 Richmond hits 95°F on May 21, shattering prior record https://weatheronthisday.com/city/boise/today Weather On This Day en 2026-05-21 Boise hits 91°F on May 21, a scorching modern record https://weatheronthisday.com/city/des-moines/today Weather On This Day en 2026-05-21 Des Moines hits 87°F record on May 21, 2004 https://weatheronthisday.com/city/birmingham/today Weather On This Day en 2026-05-21 Birmingham hits 93°F on this May day in 2022 https://weatheronthisday.com/city/salt-lake-city/today Weather On This Day en 2026-05-21 Salt Lake City hits 91°F on May 21, 2012 https://weatheronthisday.com/city/fargo/today Weather On This Day en 2026-05-21 Fargo's May 21 can swing 62 degrees from record extremes