Granby, CO Weather Forecast
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Granby Weather Forecast
| REST OF TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
| Mostly Clear | Mostly Sunny | Partly Cloudy | Chance of T-Storm | Chance of Showers | Chance of Showers | Mostly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Chance of T-Storm |
| Lo: 34°FLo: 1°C | Hi: 65°FHi: 18°C | Lo: 36°FLo: 2°C | Hi: 69°FHi: 21°C | Lo: 41°FLo: 5°C | Hi: 63°FHi: 17°C | Lo: 38°FLo: 3°C | Hi: 65°FHi: 18°C Lo: 38°FLo: 3°C | Hi: 65°FHi: 18°C Lo: 38°FLo: 3°C | Hi: 65°FHi: 18°C | Lo: 38°FLo: 3°C | Hi: 68°FHi: 20°C |
| POP: 10% | POP: 20% | POP: 10% | POP: 20% | POP: 20% | POP: 30% | POP: 10% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1249 AM MDT Mon Sep 21 2026 

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Issued: 528 AM MDT Mon Sep 21 2026
Key Messages
- Cooler conditions continue Monday, with more limited shower and thunderstorm coverage.
- Gradual warming returns Tuesday, with generally isolated precipitation chances each day.
Discussion
/Through Sunday/... Issued at 1215 AM MDT Mon Sep 21 2026
Current radar imagery shows a few strong thunderstorms lingering over Elbert and Lincoln counties as well as a couple of weak showers over the northern Colorado plains. Any storm that is able to strengthen over the next hour or two will be able t...
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