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, 15-Aug-2026 12:46am MDT | ||||||||||||||||||||||||||||||||||||||||
| Thornton | ||||||||||||||||||||||||||||||||||||||||
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Flood Watch issued August 15 at 1:06AM MDT until August 15 at 10:00PM MDT
| Overnight |
Patchy fog after 3am. Mostly cloudy. Low around 60, with temperatures rising to around 63 overnight. South wind around 5 mph. |
| Saturday |
Patchy fog before 9am, then a chance of showers and thunderstorms between noon and 4pm, then showers and thunderstorms likely. Partly sunny. High near 82, with temperatures falling to around 78 in the afternoon. North wind 3 to 9 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible. |
| Saturday Night |
A chance of showers and thunderstorms before 9pm, then a chance of showers and thunderstorms between 9pm and 10pm, then a slight chance of showers and thunderstorms between 10pm and 3am. Partly cloudy. Low around 59, with temperatures rising to around 62 overnight. Northwest wind 2 to 7 mph. Chance of precipitation is 50%. |
| Sunday |
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85. South southeast wind 2 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 30%. |
| Sunday Night |
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 57. South wind 3 to 7 mph. Chance of precipitation is 20%. |
| Monday |
Sunny, with a high near 88. |
| Monday Night |
Partly cloudy, with a low around 60. |
| Tuesday |
Mostly sunny, with a high near 92. |
| Tuesday Night |
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 60. |
| Wednesday |
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 86. |
| Wednesday Night |
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58. |
| Thursday |
Sunny, with a high near 90. |
| Thursday Night |
Mostly clear, with a low around 61. |
| Friday |
Sunny, with a high near 91. |
Forecast from NOAA-NWS for Thornton, CO.





