Hamilton, CO Weather Forecast
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Hamilton Weather Forecast
| THIS AFTERNOON | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY |
| Mostly Sunny | Partly Cloudy | Mostly Sunny | Mostly Clear | Mostly Sunny | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Hi: 81°FHi: 27°C | Lo: 41°FLo: 5°C | Hi: 85°FHi: 29°C | Lo: 51°FLo: 11°C | Hi: 81°FHi: 27°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 41°FLo: 5°C | Hi: 75°FHi: 24°C | Lo: 45°FLo: 7°C | Hi: 75°FHi: 24°C Lo: 41°FLo: 5°C | Hi: 75°FHi: 24°C Lo: 41°FLo: 5°C |
| POP: 70% | POP: 40% | POP: 30% | POP: 30% | POP: 50% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1233 PM MDT Fri Sep 11 2026 

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Issued: 1119 AM MDT Fri Sep 11 2026
Key Messages
- Mostly dry and warm conditions prevail through Saturday with a gradual increase in afternoon shower and thunderstorm activity each day.
- Daytime highs remain 5 to 10 degrees above normal through Sunday before a shift to cooler temperatures for next week.
- Cool, wet and unsettled pattern sets up Sunday through much of next week as moisture continues to feed into the area.
Discussion
... Issued at 1107 AM MDT Fri Sep 11 2026
MOSTLY DRY AND WARM THROUGH SATURDAY:
A weak shortwave is currently...
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