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: Sun, 11-Jan-2026 2:11am MST | ||||||||||||||||||||||||||||||||||||||||
| Thornton | ||||||||||||||||||||||||||||||||||||||||
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| Overnight |
Mostly clear, with a low around 24. South southwest wind around 7 mph. |
| Sunday |
Mostly sunny. High near 51, with temperatures falling to around 46 in the afternoon. South southwest wind around 7 mph. |
| Sunday Night |
Mostly clear, with a low around 27. South southwest wind around 7 mph. |
| Monday |
Sunny, with a high near 53. Southwest wind around 6 mph. |
| Monday Night |
Partly cloudy, with a low around 31. Southwest wind around 7 mph. |
| Tuesday |
Partly sunny, with a high near 57. |
| Tuesday Night |
Mostly cloudy, with a low around 34. |
| Wednesday |
Mostly sunny, with a high near 55. |
| Wednesday Night |
Mostly clear, with a low around 34. |
| Thursday |
Sunny, with a high near 58. |
| Thursday Night |
Mostly clear, with a low around 23. |
| Friday |
Partly sunny, with a high near 41. |
| Friday Night |
Mostly cloudy, with a low around 20. |
| Saturday |
Mostly sunny, with a high near 47. |
Forecast from NOAA-NWS for Thornton, CO.