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: 7mphSE 136°
  • Humidity: 28%
  • UV index: 4
  • Sunrise: 7:14 am MDT
  • Sunset: 6:15 pm MDT
  • ▼
On Sunday, in Fort Collins, expect brilliant sunshine under mostly clear skies.
Temperature fluctuations will be substantial, ranging from a peak of a temperate 75.2°F to a low of a brisk 42.8°F.
Forecasts show a high closer to September's climate pattern, around 74.5°F, rather than October's 58.3°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 43°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 326°
  • Humidity: 47%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 46°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphNW 324°
  • Humidity: 46%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 45°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphNW 308°
  • Humidity: 50%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 43°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphNW 319°
  • Humidity: 52%
  • Pressure: 30.03"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 318°
  • Humidity: 53%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 59°F
  • Feels like:
    59°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSSE 148°
  • Humidity: 32%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 72°F
  • Feels like:
    72°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSE 135°
  • Humidity: 21%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 73°F
  • Feels like:
    73°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphSE 139°
  • 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 138°
  • 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: 6mphESE 118°
  • 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 51°
  • 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 6°
  • Humidity: 43%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, a combination of bright and cloudy weather is forecasted.
The temperature will vary 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 1 pm to 4 pm.
The temperature will feel more close to September's average high than the expected maximum for October. The lowest temperature is expected to be a few degrees higher than the average minimum in October, typically 37°F.
Updated: Oct 17, 2026 @ 10:52:15 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Fort Collins, a pleasant, mostly sunny outlook is in place.

Tomorrow, the maximum temperature will be 75.2°F, while the minimum temperature will be 42.8°F.
The highest temperature will be uncommonly higher than the average maximum of 58.3°F in October. The lowest temperature will be moderately higher than the average low of 37°F.

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

In Fort Collins, the length of the day tomorrow will be 11h and 1min.