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 |
||||||||||||||||||||||||||||||||||||||||
| Updated: Thu, 24-Sep-2026 12:46pm MDT | ||||||||||||||||||||||||||||||||||||||||
| Thornton | ||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||
| Tonight |
A chance of showers and thunderstorms before midnight, then a chance of rain showers and patchy fog between midnight and 3am, then patchy fog and a slight chance of rain showers. Mostly cloudy, with a low around 55. North northeast wind 1 to 8 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Friday |
Patchy fog before 10am, then a chance of showers and thunderstorms between noon and 3pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 77. Southeast wind 2 to 6 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Friday Night |
A chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 54. Southwest wind around 7 mph. Chance of precipitation is 30%. |
| Saturday |
Sunny, with a high near 84. South wind 3 to 8 mph, with gusts as high as 17 mph. |
| Saturday Night |
Mostly clear, with a low around 55. South southwest wind around 6 mph. |
| Sunday |
Mostly sunny, with a high near 84. |
| Sunday Night |
Mostly cloudy, with a low around 58. |
| Monday |
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 79. |
| Monday Night |
Showers and thunderstorms. Mostly cloudy, with a low around 55. |
| Tuesday |
Rain showers likely before noon, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 65. |
| Tuesday Night |
A chance of rain showers. Mostly cloudy, with a low around 50. |
| Wednesday |
A chance of rain showers. Partly sunny, with a high near 70. |
| Wednesday Night |
A chance of rain showers. Partly cloudy, with a low around 50. |
| Thursday |
A slight chance of rain showers. Mostly sunny, with a high near 73. |
Forecast from NOAA-NWS for Thornton, CO.