Fort Collins, CO 14-Day Forecast
Colorado, United States 🇺🇸
86°
Sunny right now
Today: high 89°, low 59°
Updated 2 hours ago
Fort Collins weather for the next 14 days
Thursday, August 27
Sunny High 91° Low 60°Precipitation
63%
· 0.48 in
Max wind
14 mph
Humidity
58%
UV index
8 - Very High
Sunrise / sunset
06:22 AM / 07:40 PM
Friday, August 28
Overcast High 96° Low 62°Precipitation
6%
· 0.0 in
Max wind
14 mph
Humidity
42%
UV index
8 - Very High
Sunrise / sunset
06:23 AM / 07:39 PM
Saturday, August 29
Overcast High 97° Low 70°Precipitation
36%
· 0.01 in
Max wind
23 mph
Humidity
29%
UV index
8 - Very High
Sunrise / sunset
06:24 AM / 07:37 PM
Sunday, August 30
Overcast High 86° Low 67°Precipitation
36%
· 0.02 in
Max wind
18 mph
Humidity
44%
UV index
6 - High
Sunrise / sunset
06:25 AM / 07:36 PM
Monday, August 31
Overcast High 88° Low 60°Precipitation
71%
· 0.26 in
Max wind
12 mph
Humidity
54%
UV index
7 - High
Sunrise / sunset
06:26 AM / 07:34 PM
Tuesday, September 1
Sunny High 85° Low 58°Precipitation
36%
· 0.04 in
Max wind
11 mph
Humidity
52%
UV index
7 - High
Sunrise / sunset
06:27 AM / 07:33 PM
Wednesday, September 2
Overcast High 87° Low 63°Precipitation
4%
· 0.0 in
Max wind
17 mph
Humidity
26%
UV index
7 - High
Sunrise / sunset
06:28 AM / 07:31 PM
Thursday, September 3
Overcast High 89° Low 66°Precipitation
7%
· 0.0 in
Max wind
20 mph
Humidity
27%
UV index
8 - Very High
Sunrise / sunset
06:29 AM / 07:29 PM
Friday, September 4
Sunny High 84° Low 61°Precipitation
3%
· 0.0 in
Max wind
14 mph
Humidity
34%
UV index
7 - High
Sunrise / sunset
06:30 AM / 07:28 PM
Saturday, September 5
Overcast High 89° Low 60°Precipitation
5%
· 0.0 in
Max wind
13 mph
Humidity
34%
UV index
7 - High
Sunrise / sunset
06:31 AM / 07:26 PM
Sunday, September 6
Overcast High 85° Low 58°Precipitation
57%
· 0.1 in
Max wind
14 mph
Humidity
49%
UV index
7 - High
Sunrise / sunset
06:32 AM / 07:24 PM
Monday, September 7
Overcast High 80° Low 57°Precipitation
37%
· 0.01 in
Max wind
12 mph
Humidity
69%
UV index
6 - High
Sunrise / sunset
06:33 AM / 07:23 PM
Tuesday, September 8
Sunny High 80° Low 45°Precipitation
1%
· 0.0 in
Max wind
12 mph
Humidity
33%
UV index
7 - High
Sunrise / sunset
06:34 AM / 07:21 PM
Fort Collins 14-day outlook: the story
The warmest day of Fort Collins's 14-day outlook is Saturday, August 29 with a high near 97°F (36°C); the coolest night comes Tuesday, September 8, dipping to 45°F (7°C). The trend points cooler: week two runs about 5°F below week one. Highs over the next two weeks average 90°F (32°C), about 5°F (3°C) above the typical August high of 85°F (30°C).
Precipitation is most likely on Thursday 27, Monday 31, Sunday 6; the wettest day looks like Thursday, August 27 with about 0.48 in (12.2 mm) expected. For the weekend, expect Saturday 97°F (36°C) and overcast / Sunday 86°F (30°C) and overcast.
For typical conditions month by month, see the Fort Collins climate & average temperatures guide.
Fort Collins forecast questions
Will it rain in Fort Collins this week?
The forecast currently shows meaningful precipitation chances on 3 of the next 14 days, peaking around Thursday, August 27.
What will be the warmest day in Fort Collins over the next 14 days?
Saturday, August 29, with a forecast high near 97°F (36°C).
How accurate is a 14-day forecast for Fort Collins?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.
Average temperatures in Fort Collins by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 38° | 16° | 4 | 0.6 in | 7.9 h/day | 63% |
| February | 41° | 17° | 5 | 0.9 in | 8.9 h/day | 59% |
| March | 51° | 25° | 6 | 1.6 in | 9.8 h/day | 58% |
| April | 60° | 33° | 8 | 1.9 in | 10.6 h/day | 52% |
| May | 67° | 43° | 13 | 4.1 in | 11.1 h/day | 62% |
| June | 81° | 55° | 8 | 1.8 in | 12.8 h/day | 54% |
| July | 87° | 61° | 6 | 1.3 in | 12.9 h/day | 51% |
| August | 85° | 59° | 6 | 1.0 in | 12.2 h/day | 51% |
| September | 80° | 53° | 4 | 0.7 in | 11.0 h/day | 47% |
| October | 64° | 39° | 5 | 0.9 in | 9.4 h/day | 53% |
| November | 50° | 28° | 5 | 0.8 in | 8.5 h/day | 59% |
| December | 40° | 20° | 4 | 0.6 in | 7.6 h/day | 59% |
14-day forecasts nearby