Thornton

Hawaii County, Colorado, United States

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Current Weather

26°

Mostly Cloudy

Feels Like: 27°

Min: 20°

Max: 32°

The next few hours will be overcast, with today reaching 32°C and dropping to 13°C. The coming days will be mostly clear

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Compare today's weather with yesterday's data and track temperature trends over time.

Hourly Forecast

29° 26° 23° 21° 20° 20° 21° 21° 20° 17° 15° 14° 13° 13° 14° 15° 16° 18° 19° 21° 22° 23° 23° 23°
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8pm
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1am
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5am
6am
7am
8am
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Today
Tomorrow

Daylight Hours

06:46

Sunrise

19:03

Sunset

12 hours 17 minutes of sunlight today

Moon

Waxing Crescent

10:32

Moonrise

20:11

Moonset

Daily Forecast

Monday

20°
32°

Today

13°
24°

Wednesday

14°
27°

Thursday

17°
25°

Friday

16°
26°

Saturday

14°
24°

Sunday

13°
24°

Monday

12°
25°

Tuesday

12°
22°

Wednesday

13°
23°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

21% Very Dry
Low High

Weather in Thornton tomorrow, September 15, 2026

Cloud cover dominates in Thornton on September 15, 2026, keeping sunshine limited. Expect a grey, overcast feel rather than long bright spells. The first half of the day looks overcast, as cloud amounts reach about 100% around 00:00. Brighter weather, if it comes, waits until later.

The temperature range runs from about 13°C up to 24°C. Expect humidity between 18% and 47%, most humid near 08:00. Airflow remains manageable, reaching about 7.3 km/h around 02:00.

The afternoon keeps an overcast feel, as cloud reaches about 70% around 16:00. Outdoor plans may still want a flexible backup. Views remain open at about 16.1 km. Sunrise is at 06:46 and sunset at 19:01, giving 12 hours 14 minutes of sunlight today.

The practical takeaway for Thornton on September 15, 2026 is a cloudy day that stays usable, just not particularly bright, around 24°C.

Frequently asked questions about weather in Thornton

How warm does it get in Thornton?

The warmest month in Thornton is July, with average high temperatures of 32°C. The average temperature during this period is around 23°C.

How cold does it get in Thornton?

The coldest month in Thornton is January, with average low temperatures of -7°C. The average temperature during this period is around -2°C.

What is the wettest time of year in Thornton?

The wettest month in Thornton is May, with an average of 99mm of precipitation.

What is the driest time of year in Thornton?

The driest month in Thornton is December, with an average of 19mm of precipitation.

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Metric (°C, km/h)