Denver Shatters March Heat Records, Experiencing Warmest Winter on Record
Denver is experiencing an unprecedented warm spell, breaking numerous daily and monthly temperature records throughout March 2026. The city has already set six new record highs this month, potentially surpassing the highest number of daily record highs for March in its history, dating back to 1872.
Record-Breaking Temperatures in March
Typically, Denver’s average daily high in March ranges from 50 to 60 degrees Fahrenheit, increasing as the month progresses. However, 2026 has seen a dramatic departure from this norm. As of March 21, 2026, Denver has established new daily record highs on March 19 (85°F), March 20 (85°F) and March 21 (86°F), with the latter also marking the hottest temperature ever recorded in Denver before April 12.
Further Records Anticipated
The National Weather Service forecasts continued warm temperatures, with a high of 81 degrees expected on Tuesday, March 24, potentially breaking the record of 76 degrees set in 1896. Wednesday, March 25, is predicted to reach 88 degrees, which could surpass the previous record of 75 degrees set in 2012 and potentially become the earliest date to reach 88 degrees or higher in Denver’s history, currently held by April 19.
Temporary Relief Followed by Potential for More Records
While temperatures are expected to cool slightly from Thursday through Saturday (78°F, 58°F, and 76°F, respectively), Sunday may bring another record challenge, with a forecast of 81 degrees potentially exceeding the 79-degree record set in 1967.
Warmest Winter on Record
This exceptional warmth follows Colorado’s warmest winter on record, attributed to La Niña and a persistent high-pressure system Denver7. Denver International Airport officially recorded 85°F on March 19, 2026, surpassing the previous March record of 84°F set on March 26, 1971 FOX31 Denver.
Historical Context and Records
The previous highest temperature on record for March was 84º on March 26, 1971, according to historical weather data from the National Weather Service in Boulder Denver7. The average temperature for this time of year is typically 42º, with a March average of 57º Denver7. The last time March 19 saw a temperature in the 80s was in 1907 Denver7.
Explore Denver’s weather records here.
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