Weather Forecast and Radar for Longmont, Colorado

Current & 7-day weather forecast, weather alerts, and weather radar for Longmont, Colorado.
All times shown in your local timezone

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Temperature Forecast for Longmont, Colorado

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Temperature Forecast for Longmont, Colorado

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Weather Radar for Longmont, Colorado

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Weather in Longmont, CO

Longmont, Colorado experiences a variety of weather throughout the year. Summers in Longmont are generally warm and dry, with temperatures typically ranging from 70-90°F (21-32°C). The hottest temperature recorded in Longmont is 106°F (41°C). Winters in Longmont can be cold and snowy, with temperatures often dropping to 10-30°F (-12 to -1°C). The coldest temperature recorded in Longmont is -26°F (-32°C). Spring and fall in Longmont have a wide range of temperatures and weather conditions, with temperatures ranging from 40-80°F (4-27°C). Overall, Longmont has a mild climate with warm summers and cold winters.

Fast Facts About Longmont, CO

As of 2020, the city population is 100146.

Major Cities Nearby Longmont, CO

This map shows the current & 7-day weather forecast, weather alerts, and weather radar for Longmont, Colorado.