Weather forecast for 10 daysLongmont, CO
Weather forecast for the weekend
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.
10-day overview
Daily temperatures
Maximum temperature: 75°C.
Coldest day: Saturday 24.10. 63°C.
Coldest day: Saturday 24.10. 63°C.
Chance of precipitation
Highest chance: Saturday 24.10. 19%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 37°F
Mostly Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphW 269°
- Humidity: 61%
- UV index: 0
- Sunrise: 7:13 am MDT
- Sunset: 6:17 pm MDT
- details ▼
- 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 ▼
- Monday
- Oct 19, 2026
- 68°F
- 39°F
Mostly Sunny
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 4mphE 97°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:15 am MDT
- Sunset: 6:14 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 73°F
- 45°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphE 96°
- Humidity: 46%
- UV index: 4
- Sunrise: 7:16 am MDT
- Sunset: 6:13 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 75°F
- 46°F
Mostly Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphSE 131°
- Humidity: 42%
- UV index: 4
- Sunrise: 7:17 am MDT
- Sunset: 6:12 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 73°F
- 52°F
Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphENE 63°
- Humidity: 46%
- UV index: 3
- Sunrise: 7:18 am MDT
- Sunset: 6:10 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 73°F
- 43°F
Partly Cloudy
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 8mphSSW 202°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:20 am MDT
- Sunset: 6:09 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 63°F
- 37°F
Partly Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 6mphENE 70°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:21 am MDT
- Sunset: 6:08 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 64°F
- 39°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 5mphE 81°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:22 am MDT
- Sunset: 6:06 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 66°F
- 41°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 5mphENE 69°
- Humidity: 45%
- UV index: 4
- Sunrise: 7:23 am MDT
- Sunset: 6:05 pm MDT
- details ▼
Across the following ten days, a combination of cloudy and clear weather is predicted.
Rain is not expected in Longmont in the upcoming days.
Temperature differences will be noticeable over the next several days. The maximum temperature will vary between 62.6°F and 75.2°F, while the lowest nightly temperature differences will be also quite pronounced, as the lowest temperatures will be recorded between 37.4°F and 51.8°F.
With a maximum temperature of 75.2°F, Sunday and Wednesday will be the warmest days in Longmont; next Saturday will be the coldest day, with the highest temperature of 62.6°F.
Rain is not expected in Longmont in the upcoming days.
Temperature differences will be noticeable over the next several days. The maximum temperature will vary between 62.6°F and 75.2°F, while the lowest nightly temperature differences will be also quite pronounced, as the lowest temperatures will be recorded between 37.4°F and 51.8°F.
With a maximum temperature of 75.2°F, Sunday and Wednesday will be the warmest days in Longmont; next Saturday will be the coldest day, with the highest temperature of 62.6°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.
