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, 15-Dec-2025 3:26am MST | ||||||||||||||||||||||||||||||||||||||||
| Thornton | ||||||||||||||||||||||||||||||||||||||||
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| Overnight |
Mostly clear, with a low around 34. South southwest wind around 7 mph. |
| Monday |
Sunny. High near 66, with temperatures falling to around 57 in the afternoon. South southeast wind 3 to 7 mph. |
| Monday Night |
Mostly clear, with a low around 37. Southwest wind 3 to 8 mph, with gusts as high as 16 mph. |
| Tuesday |
Mostly sunny, with a high near 63. West wind around 9 mph, with gusts as high as 17 mph. |
| Tuesday Night |
Partly cloudy, with a low around 38. West southwest wind around 9 mph. |
| Wednesday |
A slight chance of rain after 5pm. Mostly sunny, with a high near 66. Chance of precipitation is 20%. |
| Wednesday Night |
A slight chance of rain before 11pm. Partly cloudy, with a low around 33. |
| Thursday |
Mostly sunny, with a high near 51. |
| Thursday Night |
Partly cloudy, with a low around 37. |
| Friday |
Partly sunny, with a high near 68. |
| Friday Night |
Partly cloudy, with a low around 43. |
| Saturday |
Mostly sunny, with a high near 62. |
| Saturday Night |
Partly cloudy, with a low around 32. |
| Sunday |
Mostly sunny, with a high near 55. |
Forecast from NOAA-NWS for Thornton, CO.