Fort Collins, CO 14-Day Forecast
Colorado, United States 🇺🇸
The 14-day forecast for Fort Collins is temporarily unavailable - please check back shortly. Meanwhile, the monthly averages below give a reliable picture of what to expect.
Fort Collins 14-day outlook: the story
Aim for September to October and April if you get the choice: temperatures sit either side of the peak heat rather than in it, and highs average 71°F (22°C) against roughly 6 wet days a month. For the same question asked the other way round, see where else is warm in September.
For typical conditions month by month, see the Fort Collins climate & average temperatures guide.
Average temperatures in Fort Collins by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 38° | 16° | 4 | 0.6 in | 7.9 h/day | 9.6 h | 14% | 63% |
| February | 41° | 17° | 5 | 0.9 in | 8.9 h/day | 10.6 h | 17% | 59% |
| March | 51° | 25° | 6 | 1.6 in | 9.8 h/day | 11.8 h | 20% | 58% |
| April | 60° | 33° | 8 | 1.9 in | 10.6 h/day | 13.2 h | 27% | 52% |
| May | 67° | 43° | 13 | 4.1 in | 11.1 h/day | 14.4 h | 43% | 62% |
| June | 81° | 55° | 8 | 1.8 in | 12.8 h/day | 15.1 h | 26% | 54% |
| July | 87° | 61° | 6 | 1.3 in | 12.9 h/day | 14.8 h | 20% | 51% |
| August | 85° | 59° | 6 | 1.0 in | 12.2 h/day | 13.8 h | 19% | 51% |
| September | 80° | 53° | 4 | 0.7 in | 11.0 h/day | 12.4 h | 14% | 47% |
| October | 64° | 39° | 5 | 0.9 in | 9.4 h/day | 11.0 h | 15% | 53% |
| November | 50° | 28° | 5 | 0.8 in | 8.5 h/day | 9.9 h | 17% | 59% |
| December | 40° | 20° | 4 | 0.6 in | 7.6 h/day | 9.3 h | 13% | 59% |
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