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, 23-Dec-2025 12:45pm MST | ||||||||||||||||||||||||||||||||||||||||
| Thornton | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Mostly sunny. High near 63, with temperatures falling to around 55 in the afternoon. North northwest wind around 5 mph. |
| Tonight |
Mostly cloudy. Low around 41, with temperatures rising to around 43 overnight. West southwest wind 3 to 7 mph. |
| Wednesday |
Mostly sunny. High near 69, with temperatures falling to around 61 in the afternoon. West northwest wind 2 to 7 mph. |
| Wednesday Night |
Mostly cloudy, with a low around 40. Southwest wind 2 to 7 mph. |
| Christmas Day |
Partly sunny, with a high near 70. West southwest wind around 9 mph, with gusts as high as 16 mph. |
| Thursday Night |
Mostly clear, with a low around 37. |
| Friday |
Mostly sunny, with a high near 64. |
| Friday Night |
Partly cloudy, with a low around 34. |
| Saturday |
A slight chance of rain and snow after 5pm. Mostly sunny, with a high near 55. |
| Saturday Night |
A slight chance of rain and snow before 11pm. Mostly cloudy, with a low around 23. |
| Sunday |
Sunny, with a high near 42. |
| Sunday Night |
Partly cloudy, with a low around 23. |
| Monday |
Sunny, with a high near 49. |
| Monday Night |
Partly cloudy, with a low around 28. |
Forecast from NOAA-NWS for Thornton, CO.