| National Weather Service Forecast for:
Longmont CO Issued by: National Weather Service Denver-Boulder, CO |
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| Updated: 2:21 pm MST Dec 4, 2025 | ||||||||||||||||||
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| Overnight |
Mostly cloudy, with a low around 18. West southwest wind 6 to 9 mph becoming northwest. Winds could gust as high as 15 mph. |
| Friday |
Mostly sunny, with a high near 35. West wind around 6 mph becoming east in the afternoon. |
| Friday Night |
A 20 percent chance of snow showers after 11pm. Partly cloudy, with a low around 20. West southwest wind 5 to 7 mph, with gusts as high as 15 mph. |
| Saturday |
A chance of snow showers before 8am, then a chance of rain and snow showers between 8am and 11am, then a slight chance of rain showers after 11am. Partly sunny, with a high near 46. West northwest wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. Little or no snow accumulation expected. |
| Saturday Night |
Partly cloudy, with a low around 22. West wind 6 to 9 mph. |
| Sunday |
Sunny, with a high near 42. |
| Sunday Night |
Partly cloudy, with a low around 22. |
| Monday |
Mostly sunny, with a high near 48. |
| Monday Night |
Partly cloudy, with a low around 27. |
| Tuesday |
Partly sunny, with a high near 53. |
| Tuesday Night |
A slight chance of showers. Mostly cloudy, with a low around 35. |
| Wednesday |
A chance of rain and snow showers. Partly sunny, with a high near 52. |
| Wednesday Night |
A slight chance of rain and snow showers. Mostly cloudy, with a low around 32. |
| Thursday |
A slight chance of rain and snow showers. Mostly sunny, with a high near 53. |
Forecast from NOAA-NWS for Longmont CO.
