Weather forecast for tomorrowLongmont, CO
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 75°F
- 39°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphE 100°
- Humidity: 31%
- UV index: 4
- Sunrise: 7:14 am MDT
- Sunset: 6:16 pm MDT
- details ▼
Tomorrow, on Sunday, partly cloudy skies will persist, making for a mix of sun and clouds.
Temperature changes will be considerable, from a high of a moderately hot 75.2°F to a low of a wintry 39.2°F.
The higher temperature of 75.2°F is more typical of September than October.
Sunrise will be at 7:14 am and sunset at 6:16 pm; tomorrow's daylight will last for 11h and 2min.
Temperature changes will be considerable, from a high of a moderately hot 75.2°F to a low of a wintry 39.2°F.
The higher temperature of 75.2°F is more typical of September than October.
Sunrise will be at 7:14 am and sunset at 6:16 pm; tomorrow's daylight will last for 11h and 2min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 73°C.
Coldest hour: 6 am 39°C.
Coldest hour: 6 am 39°C.
Chance of precipitation
Highest chance: 12 am - 9 am 1%.
Hourly weather forecast
- 12 am
- 45°F
- Feels like:45°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 1mphW 276°
- Humidity: 63%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 45°F
- Feels like:45°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphW 266°
- Humidity: 57%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 41°F
- Feels like:41°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphW 266°
- Humidity: 62%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 39°F
- Feels like:39°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphW 260°
- Humidity: 65%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:14 am
- 8 am
- 41°F
- Feels like:41°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphSW 233°
- Humidity: 66%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 57°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphESE 106°
- Humidity: 35%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 68°F
- Feels like:68°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphE 94°
- Humidity: 22%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 73°F
- Feels like:73°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphE 89°
- Humidity: 17%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 73°F
- Feels like:73°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphE 84°
- Humidity: 15%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 68°F
- Feels like:68°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphNE 47°
- Humidity: 23%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:16 pm
- 8 pm
- 59°F
- Feels like:59°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphN 7°
- Humidity: 34%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 54°F
- Feels like:54°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphN 356°
- Humidity: 41%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, primarily cloud-filled and occasionally bright weather is expected.
The temperature will be between a minimum of 39.2°F and a maximum of 73.4°F. The warmest part of the day will be from 2 pm to 4 pm.
The highest temperature tomorrow will resemble September's average maximum of 77.2°F more than October's average. Tomorrow, the temperature will drop to a level close to October's average minimum of 38.3°F.
The temperature will be between a minimum of 39.2°F and a maximum of 73.4°F. The warmest part of the day will be from 2 pm to 4 pm.
The highest temperature tomorrow will resemble September's average maximum of 77.2°F more than October's average. Tomorrow, the temperature will drop to a level close to October's average minimum of 38.3°F.
Updated: Oct 18, 2026 @ 04:44:49 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
Tomorrow, in Longmont, a partly cloudy outlook will keep the sky interesting throughout the day.
Tomorrow, the highest temperature in Longmont, Colorado, will be 75.2°F, while the lowest temperature will be 39.2°F.
The highest temperature tomorrow will be significantly higher than the average maximum of 61.5°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
The highest temperature tomorrow will be significantly higher than the average maximum of 61.5°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
On Sunday, in Longmont, sunrise will be at 7:14 am and sunset at 6:16 pm (MDT).
In Longmont, the length of the day tomorrow will be 11h and 2min.
