Forecast for Thornton, Colorado |
Today's Weather Story 48 Hour Graphical Forecast |
| National Weather Service Forecast for:
Thornton, CO Issued by: National Weather Service Denver/Boulder, CO |
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| Updated: Mon, 13-Jul-2026 2:46am MDT | ||||||||||||||||||||||||||||||||||||||||
| Thornton | ||||||||||||||||||||||||||||||||||||||||
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Heat Advisory issued July 13 at 5:14AM MDT until July 13 at 9:00PM MDT
Air Quality Alert issued July 12 at 4:10PM MDT
| Today |
Sunny. High near 99, with temperatures falling to around 97 in the afternoon. Southeast wind 3 to 13 mph, with gusts as high as 21 mph. |
| Tonight |
Mostly clear. Low around 67, with temperatures rising to around 70 overnight. South wind 5 to 16 mph, with gusts as high as 30 mph. |
| Tuesday |
Sunny, with a high near 97. North northeast wind 3 to 15 mph, with gusts as high as 25 mph. |
| Tuesday Night |
Mostly clear, with a low around 67. South southeast wind 8 to 20 mph, with gusts as high as 37 mph. |
| Wednesday |
Sunny, with a high near 95. South southeast wind 3 to 16 mph, with gusts as high as 26 mph. |
| Wednesday Night |
Mostly clear, with a low around 65. |
| Thursday |
Sunny, with a high near 95. |
| Thursday Night |
Mostly clear, with a low around 66. |
| Friday |
Sunny, with a high near 95. |
| Friday Night |
Partly cloudy, with a low around 66. |
| Saturday |
Sunny, with a high near 95. |
| Saturday Night |
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 66. |
| Sunday |
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 94. |
| Sunday Night |
A chance of showers and thunderstorms. Partly cloudy, with a low around 65. |
Forecast from NOAA-NWS for Thornton, CO.