| National Weather Service Forecast for:
Thornton, CO Issued by: National Weather Service Denver/Boulder, CO |
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| Updated: Sun, 05/18/2025 2:18pm | ||||||||||||||||||||||||||||||||||||||||
| Thornton | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
A chance of showers and thunderstorms. Some of the storms could be severe. Partly sunny. High near 71, with temperatures falling to around 66 in the afternoon. Northwest wind around 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Tonight |
A chance of showers and thunderstorms before 9pm. Some of the storms could be severe. Mostly cloudy. Low around 45, with temperatures rising to around 47 overnight. West wind 5 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Monday |
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 66. West northwest wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. |
| Monday Night |
Partly cloudy, with a low around 43. West northwest wind 5 to 13 mph, with gusts as high as 22 mph. |
| Tuesday |
Sunny, with a high near 72. West northwest wind 5 to 15 mph, with gusts as high as 28 mph. |
| Tuesday Night |
Mostly clear, with a low around 45. |
| Wednesday |
Sunny, with a high near 76. |
| Wednesday Night |
Mostly clear, with a low around 44. |
| Thursday |
Sunny, with a high near 80. |
| Thursday Night |
Partly cloudy, with a low around 51. |
| Friday |
Sunny, with a high near 83. |
| Friday Night |
Partly cloudy, with a low around 52. |
| Saturday |
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85. |
| Saturday Night |
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 52. |
Forecast from NOAA-NWS for Thornton, CO.