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United States weather

Weather in Fort Collins, Colorado for August 2025

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

    Official Weather Alert ⚠️

  • Meteorological - Air Quality Alert - See hour by hour.

    • Temperatures

  • The forecast for the upcoming days in Fort Collins predicts a temperature of 34.2 °F, which is slightly above the historical average.

  • In general, the average temperature in Fort Collins at the beginning of August is 34.6 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 28.3 °F by the end of August.

    • Rain 🌧️

  • Fort Collins in August brings notable rainfall, with an average of 16 rainy days and a total precipitation of 55.4 mm.

    • More

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

Average dry days
15
Dry days
Average rainy days
16
Rainy days
Average snowy days
0
Snow days
Average temperatures
29°/15°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
45 %
Avg humidity

Fort Collins Weather August

Move between months or click on a day
July
September
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Weather Alert Partly cloudy
31°
2
Sunny
35°
3
Sunny
34°
4
Sunny
36°
5
Sunny
36°
6
Patchy rain possible
34°
7
Sunny
36°
8
Sunny
37°
9
Sunny
29°
10
Sunny
36°
11
Patchy rain possible
36°
12
Patchy rain possible
30°
13
Patchy rain possible
35°
14
Sunny
25°
15
Sunny
29°
16
Partly cloudy
34°
17
Sunny
32°
18
Moderate rain at times
33°
19
Heavy rain at times
29°
20
Overcast
33°
21
Partly cloudy
32°
22
Patchy rain possible
29°
23
Patchy rain possible
30°
24
Moderate rain at times
28°
25
Light rain shower
25°
26
Mist
25°
27
Patchy rain possible
29°
28
Patchy light rain with thunder
28°
29
Sunny
28°
30
Partly cloudy
31°
31
Partly cloudy
32°

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 Partly cloudy
Partly cloudy
 31° /11° 0 mm 1.5
Aug. 2 Sunny
Sunny
 35° /13° 0 mm 0.8
Aug. 3 Sunny
Sunny
 34° /13° 0 mm 2.4
Aug. 4 Sunny
Sunny
 36° /16° 0 mm 1.4
Aug. 5 Sunny
Sunny
 36° /17° 0 mm 0
Aug. 6 Patchy rain possible
Patchy rain possible
 34° /19° 0.8 mm 6
Aug. 7 Sunny
Sunny
 36° /18° 0 mm 7
Aug. 8 Sunny
Sunny
 37° /17° 0 mm 7
Aug. 9 Sunny
Sunny
 29° /14° 0 mm 6
Aug. 10 Sunny
Sunny
 36° /16° 0 mm 7
Aug. 11 Patchy rain possible
Patchy rain possible
 36° /18° 0.1 mm 6
Aug. 12 Patchy rain possible
Patchy rain possible
 30° /16° 0.5 mm 5
Aug. 13 Patchy rain possible
Patchy rain possible
 35° /17° 1.6 mm 5
Aug. 14 Sunny
Sunny
 25° /13° 0.4 mm 6
Aug. 15 Sunny
Sunny
 29° /12° 0.1 mm 7
Aug. 16 Partly cloudy
Partly cloudy
 34° /14° 0 mm 8
Aug. 17 Sunny
Sunny
 32° /16° 0.2 mm 8
Aug. 18 Moderate rain at times
Moderate rain at times
 33° /17° 0.5 mm 7
Aug. 19 Heavy rain at times
Heavy rain at times
 29° /17° 1.5 mm 7
Aug. 20 Overcast
Overcast
 33° /16° 0 mm 8
Aug. 21 Partly cloudy
Partly cloudy
 32° /16° 0.7 mm 8
Aug. 22 Patchy rain possible
Patchy rain possible
 29° /17° 0.3 mm 7
Aug. 23 Patchy rain possible
Patchy rain possible
 30° /15° 0.3 mm 7
Aug. 24 Moderate rain at times
Moderate rain at times
 28° /16° 2 mm 6
Aug. 25 Light rain shower
Light rain shower
 25° /16° 7.4 mm 6
Aug. 26 Mist
Mist
 25° /13° 1.9 mm 7
Aug. 27 Patchy rain possible
Patchy rain possible
 29° /12° 0.2 mm 7
Aug. 28 Patchy light rain with thunder
Patchy light rain with thunder
 28° /14° 2.2 mm 7
Aug. 29 Sunny
Sunny
 28° /14° 0 mm 7
Aug. 30 Partly cloudy
Partly cloudy
 31° /13° 0 mm 8
Aug. 31 Partly cloudy
Partly cloudy
 32° /15° 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 55.4 mm spread over approximately 16 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 💧

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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