Weather forecast for 10 daysThornton, CO

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 77°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphE 96°
  • Humidity: 12%
  • UV index: 4
  • Sunrise: 7:12 am MDT
  • Sunset: 6:17 pm MDT
  • ▼
Today, the outlook remains bright and sunny.
The daytime temperature will peak at a warm 77°F, significantly contrasting with the night's low of 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 was at 7:12 am and sunset will be at 6:17 pm; the daylight will last for 11h and 5min.

Sunday Oct 18, 2026

  • 75°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphESE 109°
  • Humidity: 24%
  • UV index: 4
  • Sunrise: 7:13 am MDT
  • Sunset: 6:16 pm MDT
  • ▼
On Sunday, October 18, expect brilliant sunshine under mostly clear skies.
The highest daytime temperature will touch a temperate 75.2°F, creating a significant contrast with the anticipated nighttime low of a frosty 42.8°F.
Meteorological data shows 75.2°F is more characteristic of September's climate profile than October's.
Sunrise will be at 7:13 am and sunset at 6:16 pm; tomorrow's daylight will last for 11h and 2min.

10-day overview

Daily temperatures

Warmest day: today 77°C.
Coldest day: Sunday 25.10. 63°C.

Chance of precipitation

Highest chance: Saturday 24.10. 19%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 77°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphE 96°
  • Humidity: 12%
  • UV index: 4
  • Sunrise: 7:12 am MDT
  • Sunset: 6:17 pm MDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 75°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphESE 109°
  • Humidity: 24%
  • UV index: 4
  • Sunrise: 7:13 am MDT
  • Sunset: 6:16 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 70°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 7mphE 82°
  • Humidity: 40%
  • UV index: 4
  • Sunrise: 7:14 am MDT
  • Sunset: 6:14 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 73°F
  • 48°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphE 100°
  • Humidity: 39%
  • UV index: 4
  • Sunrise: 7:15 am MDT
  • Sunset: 6:13 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 75°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphSE 125°
  • Humidity: 36%
  • UV index: 4
  • Sunrise: 7:16 am MDT
  • Sunset: 6:11 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 73°F
  • 54°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 6mphESE 121°
  • Humidity: 40%
  • UV index: 3
  • Sunrise: 7:18 am MDT
  • Sunset: 6:10 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 75°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0"
  • Wind: 11mphSSW 210°
  • Humidity: 36%
  • UV index: 4
  • Sunrise: 7:19 am MDT
  • Sunset: 6:09 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 64°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 19%
  • Precipitation: 0"
  • Wind: 9mphE 85°
  • Humidity: 43%
  • UV index: 4
  • Sunrise: 7:20 am MDT
  • Sunset: 6:07 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 63°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphENE 78°
  • Humidity: 49%
  • UV index: 4
  • Sunrise: 7:21 am MDT
  • Sunset: 6:06 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 66°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphE 94°
  • Humidity: 38%
  • UV index: 4
  • Sunrise: 7:22 am MDT
  • Sunset: 6:05 pm MDT
  • ▼
It is expected that a combination of dull and sunny weather is predicted.
Rainfall is not anticipated in Thornton in the upcoming days.
Substantial differences in temperature are forecasted across the forecast period. Maximum temperatures are forecasted between 62.6°F and 77°F, while the nightly low temperatures will show also a considerable swing, as the minimum temperature is expected to range between 41°F and 53.6°F.
With a high of 77°F, today is the warmest day; the coldest day will be next Sunday, with a maximum of 62.6°F.
Updated: Oct 17, 2026 @ 18:28:20 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Saturday, in Thornton, a sun-drenched sky is anticipated.

Today, the highest temperature will be 77°F, while the lowest temperature will be 44.6°F.
The maximum temperature will be notably higher than the average highest temperature of 63.3°F in October. Today, the lowest temperature will be moderately higher than the average low temperature.

On Saturday, in Thornton, sunrise was at 7:12 am and sunset will be at 6:17 pm (MDT).

Today, the daylight will last for 11h and 5min.

Tomorrow, in Thornton, open skies and radiant sunshine are expected.

Tomorrow, the highest temperature will be 75.2°F, while the lowest temperature will be 42.8°F.
The highest temperature tomorrow will be noticeably higher than the average maximum of 63.3°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.

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

In Thornton, tomorrow, there will be 11h and 2min of daylight.