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: Tue, 12-May-2026 12:46am MDT | ||||||||||||||||||||||||||||||||||||||||
| Thornton | ||||||||||||||||||||||||||||||||||||||||
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Air Quality Alert issued May 11 at 4:10PM MDT
| Overnight |
Mostly clear. Low around 53, with temperatures rising to around 56 overnight. West wind around 9 mph. |
| Tuesday |
Sunny, with a high near 80. Northeast wind 5 to 10 mph, with gusts as high as 16 mph. |
| Tuesday Night |
Mostly clear. Low around 51, with temperatures rising to around 54 overnight. South southeast wind 2 to 10 mph, with gusts as high as 16 mph. |
| Wednesday |
Mostly sunny, with a high near 90. South southeast wind 1 to 12 mph, with gusts as high as 22 mph. |
| Wednesday Night |
Mostly cloudy, with a low around 58. South southwest wind 7 to 14 mph, with gusts as high as 25 mph. |
| Thursday |
Mostly sunny, with a high near 86. |
| Thursday Night |
Mostly clear, with a low around 52. |
| Friday |
Sunny, with a high near 85. |
| Friday Night |
Partly cloudy, with a low around 54. |
| Saturday |
Sunny, with a high near 88. |
| Saturday Night |
Partly cloudy, with a low around 53. |
| Sunday |
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76. |
| Sunday Night |
A chance of showers and thunderstorms. Mostly cloudy, with a low around 45. |
| Monday |
A slight chance of rain showers before noon, then a chance of showers and thunderstorms. Mostly sunny, with a high near 70. |
Forecast from NOAA-NWS for Thornton, CO.