Fort Collins
August
Weather in Fort Collins for August 2025
Your guide to Fort Collins weather in August - trends and predictions
In general, the average temperature in Fort Collins at the beginning of August is 29.9 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 28.3 °F by the end of August.
Expect significant rainfall in Fort Collins during August, with an average of 18 rainy days.
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13
Dry days
18
Rainy days
0
Snow days
28°/14°
Temperatures
18 km/h
Avg max wind
49 %
Avg humidity
Fort Collins in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  31° | 2  29° | 3 32° | ||||
| 4  32° | 5  29° | 6 27° | 7 29° | 8 21° | 9  24° | 10 27° |
| 11  31° | 12 28° | 13 25° | 14 25° | 15 29° | 16 34° | 17 32° |
| 18 33° | 19 29° | 20  33° | 21 32° | 22 29° | 23 30° | 24 28° |
| 25 25° | 26  25° | 27 29° | 28  28° | 29 28° | 30 31° | 31 32° |
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Temperatures trend during August in Fort Collins
See the weather trend as well as the moving average line
August weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 | Heavy rain at times | 31° /15° | 8.3 mm | 7 | |
| Aug. 2 | Moderate rain at times | 29° /16° | 1 mm | 7 | |
| Aug. 3 | Heavy rain at times | 32° /15° | 0.9 mm | 8 | |
| Aug. 4 | Partly cloudy | 32° /16° | 0.8 mm | 8 | |
| Aug. 5 | Patchy rain possible | 29° /16° | 9.7 mm | 7 | |
| Aug. 6 | Moderate or heavy rain shower | 27° /12° | 2.4 mm | 6 | |
| Aug. 7 | Heavy rain at times | 29° /14° | 3.1 mm | 7 | |
| Aug. 8 | Patchy rain possible | 21° /12° | 4.9 mm | 5 | |
| Aug. 9 | Sunny | 24° /11° | 1.6 mm | 6 | |
| Aug. 10 | Patchy rain possible | 27° /12° | 1.8 mm | 6 | |
| Aug. 11 | Cloudy | 31° /15° | 0.5 mm | 7 | |
| Aug. 12 | Patchy rain possible | 28° /15° | 1.4 mm | 6 | |
| Aug. 13 | Cloudy | 25° /16° | 1.1 mm | 6 | |
| Aug. 14 | Sunny | 25° /13° | 0.4 mm | 6 | |
| Aug. 15 | Sunny | 29° /12° | 0.1 mm | 7 | |
| Aug. 16 | Partly cloudy | 34° /14° | 0 mm | 8 | |
| Aug. 17 | Sunny | 32° /16° | 0.2 mm | 8 | |
| Aug. 18 | Moderate rain at times | 33° /17° | 0.5 mm | 7 | |
| Aug. 19 | Heavy rain at times | 29° /17° | 1.5 mm | 7 | |
| Aug. 20 | Overcast | 33° /16° | 0 mm | 8 | |
| Aug. 21 | Partly cloudy | 32° /16° | 0.7 mm | 8 | |
| Aug. 22 | Patchy rain possible | 29° /17° | 0.3 mm | 7 | |
| Aug. 23 | Patchy rain possible | 30° /15° | 0.3 mm | 7 | |
| Aug. 24 | Moderate rain at times | 28° /16° | 2 mm | 6 | |
| Aug. 25 | Light rain shower | 25° /16° | 7.4 mm | 6 | |
| Aug. 26 | Mist | 25° /13° | 1.9 mm | 7 | |
| Aug. 27 | Patchy rain possible | 29° /12° | 0.2 mm | 7 | |
| Aug. 28 | Patchy light rain with thunder | 28° /14° | 2.2 mm | 7 | |
| Aug. 29 | Sunny | 28° /14° | 0 mm | 7 | |
| Aug. 30 | Partly cloudy | 31° /13° | 0 mm | 8 | |
| Aug. 31 | 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.
Fort Collins in August - FAQ
What are the expected maximum and minimum temperatures in Fort Collins during August?
Enjoy moderate daytime temperatures of up to 28° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Fort Collins during August?
Moderate rainfall is anticipated in Fort Collins during August, with a total of 67.4 mm spread over approximately 18 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 18 km/h, suggesting breezy to windy conditions, depending on your activities.
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