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, 22-Feb-2026 12:01am MST | ||||||||||||||||||||||||||||||||||||||||
| Thornton | ||||||||||||||||||||||||||||||||||||||||
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| Overnight |
Mostly clear, with a low around 16. Northwest wind around 2 mph. |
| Sunday |
Sunny. High near 50, with temperatures falling to around 48 in the afternoon. Northeast wind 2 to 6 mph. |
| Sunday Night |
Mostly clear, with a low around 25. West wind 2 to 6 mph. |
| Monday |
Mostly sunny, with a high near 65. West southwest wind around 6 mph. |
| Monday Night |
Mostly cloudy, with a low around 34. West southwest wind around 6 mph. |
| Tuesday |
Partly sunny, with a high near 70. |
| Tuesday Night |
Mostly cloudy, with a low around 42. |
| Wednesday |
A chance of rain after 5pm. Partly sunny, with a high near 67. |
| Wednesday Night |
A chance of rain before 11pm, then a slight chance of rain and snow between 11pm and 5am. Partly cloudy, with a low around 35. |
| Thursday |
Sunny, with a high near 63. |
| Thursday Night |
Partly cloudy, with a low around 38. |
| Friday |
Mostly sunny, with a high near 66. |
| Friday Night |
Partly cloudy, with a low around 36. |
| Saturday |
Sunny, with a high near 61. |
Forecast from NOAA-NWS for Thornton, CO.