https://weatheronthisday.com/today Weather On This Day en 2026-04-21 April 21 Weather History: When Fargo Became the Hottest Spot in America https://weatheronthisday.com/city/new-york-city/today Weather On This Day en 2026-04-21 NYC's April 21 Record: 79°F High in 2007 Nearly 30°F Above Average https://weatheronthisday.com/city/los-angeles/today Weather On This Day en 2026-04-21 Los Angeles hit 95°F on April 21, 2009 https://weatheronthisday.com/city/chicago/today Weather On This Day en 2026-04-21 Chicago hit 87°F on April 21, 1987 - the warmest on record https://weatheronthisday.com/city/houston/today Weather On This Day en 2026-04-21 Houston hits 88°F on April 21, 2011: A decade-high mark https://weatheronthisday.com/city/phoenix/today Weather On This Day en 2026-04-21 Phoenix hits 103°F on April 21, 1989 - a sweltering spring record https://weatheronthisday.com/city/philadelphia/today Weather On This Day en 2026-04-21 Philadelphia hit 90°F on April 21, 1976—a remarkable spring extreme https://weatheronthisday.com/city/san-antonio/today Weather On This Day en 2026-04-21 San Antonio hits 94°F record on April 21, 1995 https://weatheronthisday.com/city/san-diego/today Weather On This Day en 2026-04-21 San Diego hit 87°F on April 21, 1987 https://weatheronthisday.com/city/dallas/today Weather On This Day en 2026-04-21 Dallas hits 89°F record on April 21, 1996 https://weatheronthisday.com/city/austin/today Weather On This Day en 2026-04-21 Austin hits 90°F on April 21, 1984 in rare heat record https://weatheronthisday.com/city/jacksonville/today Weather On This Day en 2026-04-21 Jacksonville hits 93°F on April 21, 2002 for record warmth https://weatheronthisday.com/city/columbus/today Weather On This Day en 2026-04-21 Columbus hit 86°F on April 21, 1985—a 20-degree burst of spring https://weatheronthisday.com/city/charlotte/today Weather On This Day en 2026-04-21 Charlotte hits 89°F on April 21, 2002 - near 60-degree swing possible https://weatheronthisday.com/city/san-francisco/today Weather On This Day en 2026-04-21 San Francisco's April 21 record high of 90°F in 1987 shattered typical spring patterns https://weatheronthisday.com/city/indianapolis/today Weather On This Day en 2026-04-21 Indianapolis hits 85°F on April 21, 1985 in early season spike https://weatheronthisday.com/city/seattle/today Weather On This Day en 2026-04-21 Seattle hits 73°F on April 21 in rare 1982 warm spell https://weatheronthisday.com/city/denver/today Weather On This Day en 2026-04-21 Denver hits 89°F on April 21, 1989: A spring heat record https://weatheronthisday.com/city/boston/today Weather On This Day en 2026-04-21 Boston hits 82°F on April 21, 1977 — a remarkable spring warm-up https://weatheronthisday.com/city/detroit/today Weather On This Day en 2026-04-21 Detroit hits 84°F on April 21, 1985 - a scorching spring day https://weatheronthisday.com/city/nashville/today Weather On This Day en 2026-04-21 Nashville hits 88°F on April 21, 2002 in historic spring warmup https://weatheronthisday.com/city/portland/today Weather On This Day en 2026-04-21 Portland's April 21 can reach the low 80s, as it did in 2009 https://weatheronthisday.com/city/memphis/today Weather On This Day en 2026-04-21 Memphis hits 94°F on April 21, 1987 - hottest on record https://weatheronthisday.com/city/oklahoma-city/today Weather On This Day en 2026-04-21 Oklahoma City hits record high of 88°F on April 21, 2008 https://weatheronthisday.com/city/las-vegas/today Weather On This Day en 2026-04-21 Las Vegas hits record 97°F on April 21 in 1994 https://weatheronthisday.com/city/louisville/today Weather On This Day en 2026-04-21 Louisville hit 86°F on April 21, 1987—nearly 20 degrees above normal https://weatheronthisday.com/city/baltimore/today Weather On This Day en 2026-04-21 Baltimore hits record 87°F on April 21, 1985 https://weatheronthisday.com/city/milwaukee/today Weather On This Day en 2026-04-21 Milwaukee hit 84°F on April 21, 1985—a summer-like spike https://weatheronthisday.com/city/albuquerque/today Weather On This Day en 2026-04-21 Albuquerque hits 89°F on April 21, 1989 record high https://weatheronthisday.com/city/tucson/today Weather On This Day en 2026-04-21 Tucson's April 21 heat record reaches 103°F https://weatheronthisday.com/city/sacramento/today Weather On This Day en 2026-04-21 Sacramento's April 21 can swing nearly 60 degrees from record extremes https://weatheronthisday.com/city/atlanta/today Weather On This Day en 2026-04-21 Atlanta hits 88°F on April 21, 1987 record high https://weatheronthisday.com/city/kansas-city/today Weather On This Day en 2026-04-21 Kansas City hits 93°F in historic April heat on this date https://weatheronthisday.com/city/raleigh/today Weather On This Day en 2026-04-21 Raleigh's April 21 Record High of 92°F Demonstrates Spring Volatility https://weatheronthisday.com/city/miami/today Weather On This Day en 2026-04-21 Miami hits 93°F on April 21, 2020 record high https://weatheronthisday.com/city/minneapolis/today Weather On This Day en 2026-04-21 Minneapolis hits 91°F on April 21, nearly 30 degrees above normal https://weatheronthisday.com/city/tampa/today Weather On This Day en 2026-04-21 Tampa hits 90°F record on April 21, 2011 https://weatheronthisday.com/city/new-orleans/today Weather On This Day en 2026-04-21 New Orleans hits 93°F on April 21, 1987 https://weatheronthisday.com/city/cleveland/today Weather On This Day en 2026-04-21 Cleveland's April 21 record high of 84°F shatters typical springtime norms https://weatheronthisday.com/city/honolulu/today Weather On This Day en 2026-04-21 Honolulu reached 89°F on April 21, 1984 https://weatheronthisday.com/city/cincinnati/today Weather On This Day en 2026-04-21 Cincinnati hits 88°F on April 21, 1985, shattering springtime record https://weatheronthisday.com/city/st-louis/today Weather On This Day en 2026-04-21 St. Louis hits 87°F on April 21, 1971 in historic spring surge https://weatheronthisday.com/city/pittsburgh/today Weather On This Day en 2026-04-21 Pittsburgh hits 85°F on April 21, 1976 in historic heat wave https://weatheronthisday.com/city/anchorage/today Weather On This Day en 2026-04-21 Anchorage's April 21 Record High of 59°F in 2016 Towers Over Typical Spring Day https://weatheronthisday.com/city/orlando/today Weather On This Day en 2026-04-21 Orlando hits 92°F record high on April 21, 1972 https://weatheronthisday.com/city/richmond/today Weather On This Day en 2026-04-21 Richmond hits 92°F record on April 21, 1985 https://weatheronthisday.com/city/boise/today Weather On This Day en 2026-04-21 Boise hits 87°F on April 21, 2016 in springtime surge https://weatheronthisday.com/city/des-moines/today Weather On This Day en 2026-04-21 Des Moines reaches 91°F on April 21, 1980 in rare heat surge https://weatheronthisday.com/city/birmingham/today Weather On This Day en 2026-04-21 Birmingham hits 91°F on April 21, 1987 – a record that still stands https://weatheronthisday.com/city/salt-lake-city/today Weather On This Day en 2026-04-21 Salt Lake City hits 85°F on April 21, 1994 https://weatheronthisday.com/city/fargo/today Weather On This Day en 2026-04-21 Fargo hits 100°F on April 21, defying spring's mild average