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

Today

Sunny High 89° Low 59°
Precipitation
36% · 0.04 in
11 mph
9 - Very High
Sunrise / sunset
06:21 AM / 07:42 PM

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

Monthly averages for Fort Collins based on 2015–2024 weather data.
MonthHighLow Rain daysPrecipitation SunshineHumidity
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