Weather forecast for tomorrowThornton, CO

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 75°F
  • 45°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphESE 113°
  • Humidity: 23%
  • UV index: 4
  • Sunrise: 7:13 am MDT
  • Sunset: 6:16 pm MDT
  • ▼
Tomorrow, golden sunshine will carry through the day.
Day and night temperatures will sharply contrast, oscillating between a temperate 75.2°F and a frosty 44.6°F.
Expect temperatures to match September's average maximum of 79.5°F rather than October's 63.3°F.
Sunrise will be at 7:13 am and sunset at 6:16 pm; tomorrow's daylight will last for 11h and 2min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 75°C.
Coldest hour: 6 am 46°C.

Chance of precipitation

Highest chance: 12 am - 6 am 1%.

Hourly weather forecast

  • 12 am
  • 52°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphSW 217°
  • Humidity: 41%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 48°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 3mphSW 224°
  • Humidity: 45%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 46°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphSW 221°
  • Humidity: 49%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 46°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 3mphSSW 210°
  • Humidity: 47%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:13 am
  • 8 am
  • 46°F
  • Feels like:
    46°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphSSW 204°
  • Humidity: 46%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 61°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphS 169°
  • Humidity: 28%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 70°F
  • Feels like:
    70°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphE 81°
  • Humidity: 18%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 73°F
  • Feels like:
    73°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphENE 77°
  • Humidity: 14%
  • 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: 7mphE 82°
  • Humidity: 12%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 70°F
  • Feels like:
    70°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphENE 66°
  • Humidity: 16%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:16 pm
  • 8 pm
  • 61°F
  • Feels like:
    61°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphENE 75°
  • Humidity: 27%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 57°F
  • Feels like:
    55°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphN 1°
  • Humidity: 36%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, a combination of dry and sunny and cloudy weather is predicted.
The temperature will be between a minimum of 46.4°F and a maximum of 75.2°F. The warmest part of the day is expected around 3 pm.
The maximum temperature will align more closely with September's average high of 79.5°F than with October's 63.3°F. Forecasts indicate a night temperature a few degrees higher than the usual October minimum of 40.1°F.
Updated: Oct 17, 2026 @ 15:23:47 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, expect plenty of sunshine and only a few scattered clouds.

Tomorrow, the highest temperature will be 75.2°F, while the lowest temperature will be 44.6°F.
Tomorrow, the highest temperature will be significantly higher than the average maximum of 63.3°F in October. Tomorrow, the lowest temperature will be slightly warmer than the average low temperature.

On Sunday, in Thornton, sunrise will be at 7:13 am and sunset at 6:16 pm (MDT).

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