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, 25-May-2026 2:41am MDT | ||||||||||||||||||||||||||||||||||||||||
| Thornton | ||||||||||||||||||||||||||||||||||||||||
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| Memorial Day |
A chance of showers and thunderstorms after 3pm. Mostly sunny. High near 86, with temperatures falling to around 83 in the afternoon. South southeast wind 2 to 8 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. |
| Tonight |
Mostly cloudy. Low around 54, with temperatures rising to around 58 overnight. South southwest wind 3 to 8 mph, with gusts as high as 20 mph. |
| Tuesday |
Partly sunny. High near 82, with temperatures falling to around 79 in the afternoon. South wind 1 to 20 mph, with gusts as high as 36 mph. |
| Tuesday Night |
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 55. South wind 2 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 20%. |
| Wednesday |
Showers and thunderstorms likely after noon. Mostly cloudy, with a high near 77. East northeast wind 2 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. |
| Wednesday Night |
A chance of showers and thunderstorms before 9pm, then a chance of showers and thunderstorms between 9pm and midnight. Mostly cloudy, with a low around 53. Chance of precipitation is 50%. |
| Thursday |
Mostly sunny, with a high near 82. |
| Thursday Night |
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 54. |
| Friday |
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. |
| Friday Night |
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. |
| Saturday |
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79. |
| Saturday Night |
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. |
| Sunday |
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 77. |
| Sunday Night |
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 52. |
Forecast from NOAA-NWS for Thornton, CO.