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, 12-Jan-2026 2:16pm MST | ||||||||||||||||||||||||||||||||||||||||
| Thornton | ||||||||||||||||||||||||||||||||||||||||
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| Tonight |
Mostly clear. Low around 33, with temperatures rising to around 36 overnight. Southwest wind 5 to 8 mph. |
| Tuesday |
Mostly sunny. High near 62, with temperatures falling to around 56 in the afternoon. West wind around 9 mph. |
| Tuesday Night |
A slight chance of rain between 11pm and 5am. Mostly cloudy. Low around 34, with temperatures rising to around 38 overnight. West northwest wind 6 to 9 mph. Chance of precipitation is 20%. |
| Wednesday |
Mostly sunny, with a high near 56. West wind 6 to 9 mph. |
| Wednesday Night |
Mostly clear, with a low around 34. West southwest wind around 8 mph. |
| Thursday |
Sunny, with a high near 59. |
| Thursday Night |
Mostly clear, with a low around 25. |
| Friday |
Mostly sunny, with a high near 48. |
| Friday Night |
Partly cloudy, with a low around 25. |
| Saturday |
Mostly sunny, with a high near 51. |
| Saturday Night |
Mostly clear, with a low around 28. |
| Sunday |
Sunny, with a high near 57. |
| Sunday Night |
Mostly clear, with a low around 27. |
| M.L. King Jr. Day |
Sunny, with a high near 57. |
Forecast from NOAA-NWS for Thornton, CO.