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Fort Collins (CO)
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Weather in Fort Collins, Colorado for August 2026

Your guide to Fort Collins weather in August - trends and predictions

    Temperatures

  • So far, August 2026 in Fort Collins shows a warmer trend than usual by 3 °F.

  • The forecast for the upcoming days in Fort Collins predicts a temperature of 32.1 °F, which is slightly above the historical average.

  • In general, the average temperature in Fort Collins at the beginning of August is 31.3 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 28.1 °F by the end of August.

    • Rain 🌧️

  • Fort Collins in August brings notable rainfall, with an average of 17 rainy days and a total precipitation of 53.4 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
14
Dry days
Average rainy days
17
Rainy days
Average snowy days
0
Snow days
Average temperatures
29°/15°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
46 %
Avg humidity

Fort Collins Weather August

Move between months or click on a day
July
September
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Heavy rain at times
31°
2
Moderate rain at times
31°
3
Cloudy
32°
4
Partly cloudy
31°
5
Patchy rain possible
31°
6
Moderate or heavy rain shower
31°
7
Heavy rain at times
32°
8
Patchy rain possible
28°
9
Sunny
27°
10
Patchy rain possible
28°
11
Cloudy
31°
12
Sunny
33°
13
Sunny
31°
14
Sunny
31°
15
Sunny
30°
16
Sunny
31°
17
Partly cloudy
31°
18
Sunny
32°
19
Sunny
32°
20
Sunny
31°
21
Sunny
30°
22
Sunny
33°
23
Sunny
36°
24
Sunny
34°
25
Sunny
34°
26
Mist
24°
27
Patchy rain possible
28°
28
Patchy light rain with thunder
25°
29
Sunny
27°
30
Partly cloudy
29°
31
Sunny
30°

Temperatures trend during August in Fort Collins

See the weather trend as well as the moving average line

August weather in Fort Collins day by day

Click on a date for more information
July September
Date Weather Temperatures Rain UV More
Aug. 1 Heavy rain at times
Heavy rain at times
 31° /14° 4.1 mm 8
Aug. 2 Moderate rain at times
Moderate rain at times
 31° /15° 0.5 mm 8
Aug. 3 Cloudy
Cloudy
 32° /15° 0.5 mm 9
Aug. 4 Partly cloudy
Partly cloudy
 31° /14° 0.4 mm 9
Aug. 5 Patchy rain possible
Patchy rain possible
 31° /14° 4.9 mm 9
Aug. 6 Moderate or heavy rain shower
Moderate or heavy rain shower
 31° /13° 1.2 mm 8
Aug. 7 Heavy rain at times
Heavy rain at times
 32° /15° 1.6 mm 8
Aug. 8 Patchy rain possible
Patchy rain possible
 28° /15° 2.5 mm 7
Aug. 9 Sunny
Sunny
 27° /13° 1.1 mm 8
Aug. 10 Patchy rain possible
Patchy rain possible
 28° /14° 1.9 mm 7
Aug. 11 Cloudy
Cloudy
 31° /15° 1.8 mm 8
Aug. 12 Sunny
Sunny
 33° /18° 3.1 mm 7.8
Aug. 13 Sunny
Sunny
 31° /15° 7.8 mm 8.6
Aug. 14 Sunny
Sunny
 31° /14° 15.7 mm 9.3
Aug. 15 Sunny
Sunny
 30° /15° 0.4 mm 9.5
Aug. 16 Sunny
Sunny
 31° /13° 0.6 mm 8
Aug. 17 Partly cloudy
Partly cloudy
 31° /18° 0 mm 8
Aug. 18 Sunny
Sunny
 32° /19° 0 mm 8
Aug. 19 Sunny
Sunny
 32° /19° 0.2 mm 8
Aug. 20 Sunny
Sunny
 31° /17° 0.3 mm 8
Aug. 21 Sunny
Sunny
 30° /16° 0.3 mm 8
Aug. 22 Sunny
Sunny
 33° /16° 0 mm 8
Aug. 23 Sunny
Sunny
 36° /19° 0 mm 9
Aug. 24 Sunny
Sunny
 34° /20° 2.3 mm 8
Aug. 25 Sunny
Sunny
 34° /18° 1.2 mm 8
Aug. 26 Mist
Mist
 24° /12° 1.3 mm 6
Aug. 27 Patchy rain possible
Patchy rain possible
 28° /13° 3.2 mm 6
Aug. 28 Patchy light rain with thunder
Patchy light rain with thunder
 25° /14° 1.5 mm 6
Aug. 29 Sunny
Sunny
 27° /14° 0 mm 7
Aug. 30 Partly cloudy
Partly cloudy
 29° /14° 0 mm 7
Aug. 31 Sunny
Sunny
 30° /14° 0 mm 8
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Important Notice
Our weather forecast for Fort Collins in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Fort Collins forecast closer to your planned date for the most up-to-date weather information.
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Fort Collins in August - FAQ

What are the expected maximum and minimum temperatures in Fort Collins during August?
During August, expect a variety of temperatures with highs around 29° and lows near 15°, suitable for diverse activities and preferences.

How much rainfall should be expected in Fort Collins during August?
Moderate rainfall is anticipated in Fort Collins during August, with a total of 53.4 mm spread over approximately 17 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Fort Collins during August?
The average wind speed in Fort Collins during August is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

August rainfall patterns in Fort Collins

Explore the daily rainfall trends and prepare for Fort Collinss August weather 💧
Typically, Fort Collins has 17 rainy days in August with a total of 53.4 mm of rainfall.

UV exposure in Fort Collins during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️

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Location coordinates Where is Fort Collins?

Get accurate weather forecasts for Fort Collins, located at latitude 40.585 and longitude -105.084. Stay updated with localized weather information tailored for Fort Collins.

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