Fort Collins, CO Weather Tomorrow

Your Fort Collins weather tomorrow forecast is paired with a detailed 5 day outlook featuring daily precipitation forecasts, changing sky conditions, daytime highs, overnight lows, Fahrenheit and Celsius temperatures, sunrise, sunset, wind chill, and local wind details across the Fort Collins area and around Larimer county, Colorado.
Updated: Sat Sep 26th 2026 8:30 PM MDT
Fort Collins, CO Weather – 9-26 – Sunny
85° / 58°
Sunny
Bright and sunny conditions in Fort Collins, with a high of 85°F and a low of 58°F. There's a very small chance of rainfall, only about 2%. Winds will be light at 7mph and gusts of 7.4mph at 10 PM. Humidity levels should be comfortable, sitting around 32% on average, the maximum being 35% at 10 PM and 34% being its lowest at 11 PM. Barometric pressure is its highest of 29.94inHg at 10 PM, a lowest point of 29.94inHg at 10 PM with an avg 29.94inHg.
Fort Collins, CO Weather – 9-27 – Overcast
84° / 61°

Weather Tomorrow

Overcast
In Fort Collins, skies will be overcast with highs near 84°F and lows around 61°F. There might be light rainfall having a 17% chance with an estimated 0.01in. Wind will be moderate, blowing around 14mph on average and gusts of 20.8mph at 2 PM. Humidity levels should be comfortable, sitting around 32% on average, the maximum being 50% at 10 PM and 17% being its lowest at 2 PM. Barometric pressure is its highest of 29.99inHg at 7 AM, a lowest point of 29.77inHg at 3 PM with an avg 29.9inHg.
Fort Collins, CO Weather – 9-28 – Overcast
75° / 62°
Overcast
Fort Collins may see cloud-filled skies, with daytime highs of 75°F and overnight lows near 62°F. There might be light rainfall having a 17% chance with an estimated 0in. Winds will be light at 7mph and gusts of 15.7mph at 12 PM. Humidity levels should be comfortable, sitting around 42% on average, the maximum being 57% at 2 AM and 29% being its lowest at 5 PM. Barometric pressure is its highest of 29.87inHg at 2 AM, a lowest point of 29.67inHg at 5 PM with an avg 29.78inHg.
Fort Collins, CO Weather – 9-29 – Overcast
74° / 63°
Overcast
Daytime highs will reach 74°F with lows dropping to 63°F in Fort Collins, where skies will be overcast. There might be light rainfall having a 17% chance with an estimated 0in. Winds will be light at 8mph and gusts of 11.7mph at 11 AM. Humidity levels should be comfortable, sitting around 45% on average, the maximum being 58% at 5 AM and 31% being its lowest at 3 PM. Barometric pressure is its highest of 29.75inHg at 10 PM, a lowest point of 29.64inHg at 4 PM with an avg 29.71inHg.
Fort Collins, CO Weather – 9-30 – Overcast
77° / 59°
Overcast
Daytime highs will reach 77°F with lows dropping to 59°F in Fort Collins, where skies will be overcast. There's a very small chance of rainfall, only about 9%. Wind will be moderate, blowing around 15mph on average and gusts of 21mph at 5 PM. Humidity levels should be comfortable, sitting around 42% on average, the maximum being 57% at 5 AM and 24% being its lowest at 4 PM. Barometric pressure is its highest of 29.98inHg at 10 PM, a lowest point of 29.74inHg at 12 AM with an avg 29.83inHg.
Fort Collins, CO Weather – 10-1 – Overcast
68° / 53°
Overcast
It will be overcast in Fort Collins, with a high of 68°F and a low of 53°F. There might be light rainfall having a 13% chance with an estimated 0in. Winds will be light at 10mph and gusts of 17.2mph at 3 PM. Humidity levels should be comfortable, sitting around 50% on average, the maximum being 69% at 11 PM and 36% being its lowest at 3 PM. Barometric pressure is its highest of 30.12inHg at 11 AM, a lowest point of 29.99inHg at 12 AM with an avg 30.07inHg.

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