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, 22-Aug-2026 2:15am MDT | ||||||||||||||||||||||||||||||||||||||||
| Thornton | ||||||||||||||||||||||||||||||||||||||||
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Air Quality Alert issued August 21 at 4:10PM MDT
| Today |
A chance of showers and thunderstorms after 1pm. Mostly sunny. High near 93, with temperatures falling to around 86 in the afternoon. North northeast wind 2 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Tonight |
A chance of showers and thunderstorms before 1am. Mostly cloudy. Low around 64, with temperatures rising to around 66 overnight. South southwest wind 5 to 12 mph, with gusts as high as 17 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Sunday |
A chance of showers and thunderstorms after 3pm. Mostly sunny. High near 93, with temperatures falling to around 87 in the afternoon. West northwest wind 2 to 7 mph. Chance of precipitation is 50%. |
| Sunday Night |
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 64. South southwest wind 5 to 8 mph, with gusts as high as 17 mph. Chance of precipitation is 30%. |
| Monday |
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 92. West southwest wind 3 to 8 mph, with gusts as high as 17 mph. Chance of precipitation is 20%. |
| Monday Night |
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 62. Chance of precipitation is 30%. |
| Tuesday |
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 90. |
| Tuesday Night |
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 61. |
| Wednesday |
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89. |
| Wednesday Night |
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 61. |
| Thursday |
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 92. |
| Thursday Night |
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 62. |
| Friday |
Sunny, with a high near 94. |
| Friday Night |
Partly cloudy, with a low around 63. |
Forecast from NOAA-NWS for Thornton, CO.