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Granby Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
 |  | | |  |  |  | | | |  | |
| Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Partly Sunny | Chance of Showers | Partly Cloudy | Partly Cloudy | Mostly Sunny | Chance of Showers | Showers | Showers |
| Hi: 70°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C | Lo: 60°FLo: 16°C | Hi: 80°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C Lo: 59°FLo: 15°C |
| POP: 40% | POP: 40% | POP: 60% | POP: 60% |
POP = Probability of Precipitation.
Weather Outlook Updated: 704 AM EDT Tue Sep 15 2026 
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Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 650 AM EDT Tue Sep 15 2026
Key Messages
- Dry with cooler than normal temperatures today and tonight.
- Seasonably warm temperatures return mid-week, continuing through Friday. A few showers possible sometime late Thursday into early Friday, otherwise mainly dry.
- Potential for a shift to an unsettled pattern with chances for rain for second half of weekend through early next week.
Discussion
... KEY MESSAGE 1...Dry with cooler than normal temperatures today and tonight.
Surface high pressure will be positioned the region today br...