Weather forecast for tomorrowLongmont, CO

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 75°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphESE 104°
  • Humidity: 30%
  • UV index: 4
  • Sunrise: 7:14 am MDT
  • Sunset: 6:16 pm MDT
  • ▼
On Sunday, October 18, sunshine will lead the day, with clouds making only brief appearances.
A stark contrast will be evident between the daytime peak temperature of a temperate 75.2°F and the nighttime low of a wintry 41°F.
The forecast high of 75.2°F aligns more closely with September's typical high of 77.2°F than with October's usual 61.5°F.
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 41°C.

Chance of precipitation

Highest chance: 3 am 2%.

Hourly weather forecast

  • 12 am
  • 48°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphW 280°
  • Humidity: 49%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 45°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphW 265°
  • Humidity: 56%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 41°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphW 262°
  • Humidity: 60%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 41°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphWSW 254°
  • Humidity: 61%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:14 am
  • 8 am
  • 41°F
  • Feels like:
    41°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphWSW 244°
  • Humidity: 62%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 59°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphE 97°
  • Humidity: 35%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 70°F
  • Feels like:
    70°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphE 95°
  • Humidity: 21%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 73°F
  • Feels like:
    73°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphE 96°
  • Humidity: 17%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 73°F
  • Feels like:
    73°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphE 94°
  • Humidity: 15%
  • 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: 4mphENE 74°
  • Humidity: 20%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:16 pm
  • 8 pm
  • 59°F
  • Feels like:
    59°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphNNE 15°
  • Humidity: 33%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 54°F
  • Feels like:
    54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphN 0°
  • Humidity: 44%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, a combination of bright and cloud-filled weather is predicted.
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 maximum temperature will align more closely with September's average high of 77.2°F than with October's 61.5°F. The temperature low is forecasted to be comparable to the usual October value of 38.3°F.
Updated: Oct 17, 2026 @ 12:19:00 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, sunshine will prevail for most of the day.

Tomorrow, the maximum temperature will be 75.2°F, while the minimum temperature will be 41°F.
The highest temperature tomorrow will be significantly higher than the average maximum of 61.5°F in October. The lowest temperature will be in line with the average low of 38.3°F.

On Sunday, in Longmont, sunrise will be at 7:14 am and sunset at 6:16 pm (MDT).

Tomorrow in Longmont, the daylight will last for 11h and 2min.