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: Sat, 20-Jun-2026 12:46pm MDT | ||||||||||||||||||||||||||||||||||||||||
| Thornton | ||||||||||||||||||||||||||||||||||||||||
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Air Quality Alert issued June 20 at 4:10PM MDT
| Tonight |
Partly cloudy. Low around 58, with temperatures rising to around 62 overnight. West northwest wind 2 to 14 mph, with gusts as high as 22 mph. |
| Sunday |
Sunny. High near 91, with temperatures falling to around 86 in the afternoon. West northwest wind 3 to 15 mph, with gusts as high as 24 mph. |
| Sunday Night |
Mostly clear. Low around 55, with temperatures rising to around 58 overnight. East northeast wind 1 to 16 mph, with gusts as high as 26 mph. |
| Monday |
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88. East wind 2 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 20%. |
| Monday Night |
Mostly clear, with a low around 56. South southeast wind 5 to 9 mph, with gusts as high as 17 mph. |
| Tuesday |
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80. Chance of precipitation is 20%. |
| Tuesday Night |
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 55. |
| Wednesday |
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85. |
| Wednesday Night |
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 56. |
| Thursday |
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86. |
| Thursday Night |
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 57. |
| Friday |
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91. |
| Friday Night |
Partly cloudy, with a low around 59. |
| Saturday |
Sunny, with a high near 96. |
Forecast from NOAA-NWS for Thornton, CO.