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, 16-May-2026 12:46am MDT | ||||||||||||||||||||||||||||||||||||||||
| Thornton | ||||||||||||||||||||||||||||||||||||||||
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| Overnight |
Mostly cloudy. Low around 52, with temperatures rising to around 57 overnight. West northwest wind around 5 mph. |
| Saturday |
A slight chance of showers and thunderstorms between noon and 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then a chance of showers and thunderstorms. Partly sunny. High near 81, with temperatures falling to around 78 in the afternoon. East wind 2 to 8 mph. Chance of precipitation is 30%. |
| Saturday Night |
A slight chance of showers and thunderstorms before 10pm. Partly cloudy. Low around 51, with temperatures rising to around 54 overnight. Northeast wind 3 to 8 mph. Chance of precipitation is 20%. |
| Sunday |
A chance of rain showers between 9am and noon, then showers and thunderstorms likely. Partly sunny, with a high near 71. Northeast wind 3 to 12 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. |
| Sunday Night |
Showers and thunderstorms. Cloudy, with a low around 41. North wind around 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. |
| Monday |
Showers and thunderstorms before 9am, then a slight chance of thunderstorms and rain and snow showers between 9am and noon, then a chance of thunderstorms and rain and snow showers. Cloudy, with a high near 48. Chance of precipitation is 90%. |
| Monday Night |
A chance of rain showers. Mostly cloudy, with a low around 34. |
| Tuesday |
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 53. |
| Tuesday Night |
Showers and thunderstorms likely. Mostly cloudy, with a low around 38. |
| Wednesday |
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 63. |
| Wednesday Night |
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 42. |
| Thursday |
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70. |
| Thursday Night |
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 45. |
| Friday |
Mostly sunny, with a high near 78. |
Forecast from NOAA-NWS for Thornton, CO.