Weather forecast for 10 daysFort Collins, CO

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 75°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 8mphSE 142°
  • Humidity: 27%
  • UV index: 4
  • Sunrise: 7:14 am MDT
  • Sunset: 6:15 pm MDT
  • ▼
Today, expect plenty of sunshine and only a few scattered clouds.
Daytime will experience a high of a warm 75.2°F, significantly differing from the forecasted night low of a cold 41°F.
Temperatures are trending warmer, with a peak resembling September's average maximum rather than October's seasonal high.
Sunrise will be at 7:14 am and sunset at 6:15 pm; the daylight will last for 11h and 1min.

10-day overview

Daily temperatures

Maximum temperature: 75°C.
Coldest day: Sunday 25.10. 64°C.

Chance of precipitation

Highest chance: Friday 24%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 75°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 8mphSE 142°
  • Humidity: 27%
  • UV index: 4
  • Sunrise: 7:14 am MDT
  • Sunset: 6:15 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 68°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 8mphSE 136°
  • Humidity: 44%
  • UV index: 4
  • Sunrise: 7:16 am MDT
  • Sunset: 6:14 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 75°F
  • 46°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphSE 128°
  • Humidity: 43%
  • UV index: 4
  • Sunrise: 7:17 am MDT
  • Sunset: 6:12 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 75°F
  • 48°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphSSE 153°
  • Humidity: 40%
  • UV index: 4
  • Sunrise: 7:18 am MDT
  • Sunset: 6:11 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 73°F
  • 52°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 6mphSE 126°
  • Humidity: 47%
  • UV index: 3
  • Sunrise: 7:19 am MDT
  • Sunset: 6:10 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 73°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 10mphSW 230°
  • Humidity: 45%
  • UV index: 4
  • Sunrise: 7:20 am MDT
  • Sunset: 6:08 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 66°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 9mphESE 109°
  • Humidity: 47%
  • UV index: 4
  • Sunrise: 7:21 am MDT
  • Sunset: 6:07 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 64°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphESE 121°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:22 am MDT
  • Sunset: 6:05 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 66°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphESE 121°
  • Humidity: 51%
  • UV index: 3
  • Sunrise: 7:23 am MDT
  • Sunset: 6:04 pm MDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 66°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 7mphSSE 167°
  • Humidity: 43%
  • UV index: 4
  • Sunrise: 7:25 am MDT
  • Sunset: 6:03 pm MDT
  • ▼
Weather patterns suggest that a combination of sunny and cloudy weather is anticipated.
Rainfall is not forecasted in Fort Collins in the upcoming days.
In the upcoming period, the highest temperature will vary between 64.4°F and 75.2°F, while the variation in nighttime lows will be notably wide, as the minimum temperature is expected to range between 39.2°F and 51.8°F.
The warmest days will be Sunday, Tuesday and Wednesday, with a maximum of 75.2°F; with the highest temperature of 64.4°F, next Sunday will be the coldest day.
Updated: Oct 18, 2026 @ 08:44:54 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, clear skies with only minor cloud interruptions are in the outlook.

Today, the highest temperature will be 75.2°F, while the lowest temperature will be 41°F.
The maximum temperature will be uncommonly higher than the average highest temperature of 58.3°F in October. The lowest temperature today will be relatively 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).

Today, the daylight will last for 11h and 1min.