Longmont, Colorado 10-Day Forecast

Expect a mix of sun, clouds, and snow showers in the coming days

Published on Mar. 6, 2026

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The 10-day forecast for Longmont, Colorado calls for a variety of weather conditions, including partly cloudy skies, periods of snow, and a mix of sun and clouds. Temperatures will range from lows in the 20s to highs in the 70s over the next two weeks.

Why it matters

Knowing the upcoming weather forecast is important for residents of Longmont to plan their activities, prepare for potential snowfall, and dress appropriately for the changing conditions.

The details

The forecast shows a transition from partly cloudy skies early in the week to periods of snow on Tuesday, with accumulations of less than an inch expected. Temperatures will range from a low of 19°F to a high of 39°F on Tuesday. The rest of the week will see a mix of sun and clouds, with highs in the 50s and 60s and lows in the 30s. The weekend is expected to be sunny with highs in the 70s.

Tuesday morning will see snow transitioning to snow showers during the afternoon.
Wednesday will be mostly sunny with a high around 55°F.
Temperatures will reach a high of 69°F on Thursday under mostly sunny skies.
Friday and Saturday will see highs in the 70s with mostly clear skies.
Sunday and Monday will have a mix of sun and clouds with highs in the 60s.

The players