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: Wed, 13-May-2026 12:47am MDT | ||||||||||||||||||||||||||||||||||||||||
| Thornton | ||||||||||||||||||||||||||||||||||||||||
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| Overnight |
Mostly clear. Low around 51, with temperatures rising to around 53 overnight. South southwest wind around 5 mph. |
| Wednesday |
A slight chance of showers and thunderstorms after 3pm. Mostly sunny. High near 91, with temperatures falling to around 86 in the afternoon. South southeast wind 1 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%. |
| Wednesday Night |
Mostly cloudy. Low around 57, with temperatures rising to around 61 overnight. South southwest wind 7 to 15 mph, with gusts as high as 24 mph. |
| Thursday |
A slight chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 87. West wind 6 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. |
| Thursday Night |
Mostly clear, with a low around 50. West wind 3 to 14 mph, with gusts as high as 23 mph. |
| Friday |
Sunny, with a high near 85. |
| Friday Night |
Partly cloudy, with a low around 53. |
| Saturday |
Mostly sunny, with a high near 84. |
| Saturday Night |
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 51. |
| Sunday |
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81. |
| Sunday Night |
A chance of showers and thunderstorms. Mostly cloudy, with a low around 45. |
| Monday |
Rain showers likely before noon, then showers and thunderstorms likely. Mostly cloudy, with a high near 60. |
| Monday Night |
A chance of showers and thunderstorms. Mostly cloudy, with a low around 40. |
| Tuesday |
A slight chance of rain showers before noon, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 68. |
Forecast from NOAA-NWS for Thornton, CO.