Weather forecast for tomorrowFort Collins, CO
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 75°F
- 43°F
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
- details ▼
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.
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.
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
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphNW 325°
- Humidity: 46%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 46°F
- Feels like:45°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphNW 322°
- Humidity: 45%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 45°F
- Feels like:43°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 5mphNW 307°
- Humidity: 48%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 45°F
- Feels like:41°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphNW 321°
- Humidity: 50%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:14 am
- 8 am
- 45°F
- Feels like:43°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphNW 309°
- Humidity: 50%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 61°F
- Feels like:61°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSSE 149°
- Humidity: 31%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 70°F
- Feels like:70°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSE 130°
- Humidity: 20%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 73°F
- Feels like:73°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphSE 142°
- Humidity: 17%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 73°F
- Feels like:73°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphSE 145°
- Humidity: 16%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 68°F
- Feels like:68°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSE 146°
- Humidity: 23%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:15 pm
- 8 pm
- 61°F
- Feels like:61°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphNE 53°
- Humidity: 33%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 55°F
- Feels like:55°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphN 359°
- Humidity: 42%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
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.
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
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.
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.





