Longmont, Colorado Forecast: Sunny Skies and Mild Temperatures Ahead

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The 10-day weather forecast for Longmont, Colorado 80504 calls for a mix of sunny and partly cloudy skies, with near-record high temperatures in the 60s expected over the next two weeks. Overnight lows will range from the mid-20s to low 30s, with light winds throughout the period.

Why it matters

Longmont residents can look forward to an extended period of mild, spring-like weather, which is ideal for outdoor activities and enjoying the transition to warmer temperatures after a potentially long winter. The forecast suggests the area will avoid any major storm systems or extreme cold over the next 10 days.

The details

The forecast calls for mostly sunny skies with a few clouds mixed in, with high temperatures ranging from the mid-40s to the mid-60s. Overnight lows will dip down to the mid-to-upper 20s. Winds will be light, generally 5-10 mph, except for a few days with breezy conditions up to 30 mph. There is minimal chance of precipitation throughout the 10-day period.

• The forecast is valid from February 15, 2026 through February 24, 2026.
• High temperatures are expected to peak in the mid-60s on February 18 and 19.

What’s next

Residents of Longmont can expect the mild, spring-like weather to continue through the end of February, providing ample opportunities for outdoor recreation and enjoyment of the transitional season.