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: Fri, 04-Sep-2026 12:46am MDT | ||||||||||||||||||||||||||||||||||||||||
| Thornton | ||||||||||||||||||||||||||||||||||||||||
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| Overnight |
Mostly clear, with a low around 62. West wind around 5 mph. |
| Friday |
A slight chance of rain showers after 3pm. Sunny. High near 95, with temperatures falling to around 92 in the afternoon. South southeast wind 3 to 8 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Friday Night |
Partly cloudy. Low around 63, with temperatures rising to around 65 overnight. South southwest wind 3 to 8 mph. |
| Saturday |
Partly sunny, with a high near 92. North northwest wind around 6 mph. |
| Saturday Night |
Partly cloudy, with a low around 64. West southwest wind 2 to 6 mph. |
| Sunday |
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 92. Chance of precipitation is 20%. |
| Sunday Night |
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 64. |
| Labor Day |
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 91. |
| Monday Night |
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 62. |
| Tuesday |
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88. |
| Tuesday Night |
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 62. |
| Wednesday |
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 90. |
| Wednesday Night |
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63. |
| Thursday |
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 90. |
Forecast from NOAA-NWS for Thornton, CO.