Thornton, CO Weather Forecast
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Thornton Weather Forecast
| REST OF TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY |
| Partly Cloudy | Clearing | Mostly Sunny | Partly Cloudy | Mostly Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Chance of Showers | Chance of Showers |
| Hi: 87°FHi: 31°C | Lo: 54°FLo: 12°C | Hi: 80°FHi: 27°C | Lo: 53°FLo: 12°C | Hi: 83°FHi: 28°C | Lo: 55°FLo: 13°C | Hi: 84°FHi: 29°C Lo: 55°FLo: 13°C | Hi: 84°FHi: 29°C Lo: 55°FLo: 13°C | Hi: 77°FHi: 25°C Lo: 54°FLo: 12°C | Hi: 77°FHi: 25°C Lo: 54°FLo: 12°C | Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C |
| POP: 20% | POP: 10% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1249 PM MDT Tue Oct 06 2026 

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Issued: 524 PM MDT Tue Oct 6 2026
Key Messages
- Unseasonably warm through at least Saturday.
- Only isolated to scattered showers (15-30% coverage) for the mountains and higher terrain. Any precipitation would be light.
- Pattern change late this weekend and early next week, but considerable uncertainty as to when and how much temperatures will cool and what chance of precipitation we`ll see.
Discussion
/Through Tuesday/... Issued at 133 PM MDT Tue Oct 6 2026
Another warm day in the books for October as current surface observations show ...
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