Weather forecast for tomorrowFort Collins, CO

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 75°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphSSE 149°
  • Humidity: 27%
  • UV index: 4
  • Sunrise: 7:14 am MDT
  • Sunset: 6:15 pm MDT
  • ▼
On Sunday, in Fort Collins, mostly sunny skies are also expected.
A daytime temperature reaching up to a temperate 75.2°F will sharply contrast with a nighttime low of a brisk 42.8°F.
Tomorrow, weather will feel warmer as the high trends toward September's average of 74.5°F.
Sunrise will be at 7:14 am and sunset at 6:15 pm; tomorrow's daylight will last for 11h and 1min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 73°C.
Coldest hour: 6 am 45°C.

Chance of precipitation

Highest chance: 6 am 1%.

Hourly weather forecast

  • 12 am
  • 50°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphNW 325°
  • Humidity: 46%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 46°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphNW 322°
  • Humidity: 45%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 45°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphNW 307°
  • Humidity: 48%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 45°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphNW 321°
  • Humidity: 50%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:14 am
  • 8 am
  • 45°F
  • Feels like:
    43°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphNW 309°
  • Humidity: 50%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 61°F
  • Feels like:
    61°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSSE 149°
  • Humidity: 31%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 70°F
  • Feels like:
    70°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSE 130°
  • Humidity: 20%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 73°F
  • Feels like:
    73°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphSE 142°
  • Humidity: 17%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 73°F
  • Feels like:
    73°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphSE 145°
  • Humidity: 16%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 68°F
  • Feels like:
    68°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSE 146°
  • Humidity: 23%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:15 pm
  • 8 pm
  • 61°F
  • Feels like:
    61°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphNE 53°
  • Humidity: 33%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 55°F
  • Feels like:
    55°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphN 359°
  • Humidity: 42%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Sunday, a combination of bright and cloud-filled weather is forecasted.
The temperature will be between the lowest temperature of 42.8°F and the highest temperature of 73.4°F. The warmest part of the day will be from 2 pm to 4 pm.
The forecasted maximum is more consistent with September's typical high of 74.5°F than the average for October. Forecasts indicate a night temperature moderately higher than the usual October minimum of 37°F.
Updated: Oct 17, 2026 @ 13:54:58 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, mostly sunny weather is likely, with high visibility.

Tomorrow, the highest temperature will be 75.2°F, while the lowest temperature will be 42.8°F.
The maximum temperature tomorrow will be noticeably higher than the average highest temperature of 58.3°F in October. The lowest temperature tomorrow will be moderately higher than the average low temperature.

On Sunday, in Fort Collins, sunrise will be at 7:14 am and sunset at 6:15 pm (MDT).

In Fort Collins, tomorrow, there will be 11h and 1min of daylight.