🇺🇸 Weather in Fort Collins
Map Overlays:
Hourly Forecast for Fort Collins
22:00
21°
75%
23:00
20°
74%
00:00
20°
26%
01:00
19°
55%
02:00
19°
13%
03:00
19°
12%
04:00
19°
22%
05:00
20°
11%
06:00
19°
12%
07:00
20°
11%
08:00
22°
8%
09:00
23°
7%
10:00
25°
5%
11:00
30°
2%
12:00
31°
1%
13:00
33°
8%
14:00
33°
57%
15:00
24°
57%
16:00
21°
67%
17:00
20°
74%
18:00
19°
28%
19:00
20°
16%
20:00
21°
17%
21:00
19°
40%
14-Day Forecast for Fort Collins
2026-07-21
Sunny
35° /
20°
2026-07-22
Sunny
33° /
19°
2026-07-23
Patchy rain nearby
32° /
19°
2026-07-24
Sunny
37° /
18°
2026-07-25
Sunny
39° /
21°
2026-07-26
Sunny
38° /
22°
2026-07-27
Sunny
38° /
21°
Additional Forecasts for Fort Collins
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 124.0 μg/m³
O₃ (Ozone) 87.0 μg/m³
NO₂ (Nitrogen Dioxide) 7.1 μg/m³
SO₂ (Sulphur Dioxide) 0.5 μg/m³
PM2.5 (Fine particles) 6.7 μg/m³
PM10 (Coarse particles) 7.9 μg/m³
Historical Weather
Weather Forecasts for Other Cities in United States
Weather in Fort Collins — FAQ
Answers refreshed each request based on current conditions in Fort Collins.
What is the weather like right now in Fort Collins?
Right now in Fort Collins, United States the temperature is 21.7°C (feels like 21.7°C), with moderate or heavy rain with thunder. Relative humidity is 84% and wind is 32.0 km/h.
What is today's high and low temperature in Fort Collins?
Today's forecast high in Fort Collins is 35.4°C and the overnight low is 19.8°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Fort Collins today?
The chance of precipitation in Fort Collins today is 57%. Forecast accuracy is highest within the next 6 hours and decreases steadily out to 14 days.
How often does the weather here update?
Current observations refresh every 15-60 minutes from the nearest monitoring stations operated by national meteorological agencies. The hourly forecast updates approximately every hour; the 7- and 14-day outlook is recomputed several times per day.
What does 'feels like' temperature mean?
Feels-like (apparent) temperature accounts for humidity, wind chill and direct sunshine — variables that change how the human body perceives heat or cold. On hot, humid days it can be 3-7°C above the actual reading; on cold windy days it can be 5-15°C below.
Why does the temperature in Fort Collins differ from nearby cities?
Even short distances can change temperatures noticeably. Fort Collins's reading reflects altitude, proximity to large bodies of water, urban heat island effects, and the exact location of the monitoring stations supplying the data. Coastal cities are typically milder and more humid than inland equivalents.