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Municipality of Longmont, COLongmont, CO Weather Forecast
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| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 |  | | |  |  | | |  | |  |  |
| Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Sunny | Chance of Showers | Mostly Sunny | Chance of Showers | Chance of Showers |
| Lo: 53°FLo: 12°C | Hi: 85°FHi: 29°C | Lo: 54°FLo: 12°C | Hi: 83°FHi: 28°C | Lo: 57°FLo: 14°C | Hi: 80°FHi: 27°C Lo: 52°FLo: 11°C | Hi: 80°FHi: 27°C Lo: 52°FLo: 11°C | Hi: 78°FHi: 26°C | Lo: 50°FLo: 10°C | Hi: 73°FHi: 23°C | Lo: 49°FLo: 9°C | Hi: 72°FHi: 22°C |
| POP: 10% | POP: 30% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 605 PM MDT Thu Oct 08 2026 
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Issued: 540 PM MDT Thu Oct 8 2026
Key Messages
- Unseasonably warm through Sunday.
- Mainly dry weather continues, with only isolated to scattered showers (15-30% coverage) and a couple week storms for the mountains and higher terrain. Any precipitation would be light.
- Elevated fire weather conditions as southwest breezes increase, especially by Saturday.
- Pattern change early next week, with cooler temperatures by Tuesday (possibly as early as Monday). Best precipitation chances hold off until Wednesday-Friday.
Discussion
/Through Thur...