55°F

Thornton, Colorado, USA

Updated: 03-Jun-2025 2:10pm

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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

Updated: Tue, 03-Jun-2025 3:59am MDT

Thornton

	Tuesday Chance Rain Showers then Slight Chance Showers And T-Storms	Wednesday Partly Sunny then Chance Showers And T-Storms	Thursday Showers And T-Storms Likely	Friday Mostly Cloudy then Showers And T-Storms Likely	Saturday Mostly Sunny then Slight Chance Showers And T-Storms	Sunday Mostly Sunny then Slight Chance Showers And T-Storms	Monday Mostly Sunny then Chance Showers And T-Storms
	Hi 56 °F	Hi 73 °F	Hi 69 °F	Hi 72 °F	Hi 79 °F	Hi 79 °F	Hi 80 °F

Overnight Rain Showers Likely	Tuesday Night Slight Chance Showers And T-Storms then Mostly Cloudy	Wednesday Night Showers And T-Storms Likely	Thursday Night Chance Showers And T-Storms then Mostly Cloudy	Friday Night Chance Showers And T-Storms then Mostly Cloudy	Saturday Night Mostly Clear	Sunday Night Slight Chance Showers And T-Storms then Partly Cloudy
Lo 48 °F	Lo 49 °F	Lo 53 °F	Lo 51 °F	Lo 53 °F	Lo 54 °F	Lo 54 °F

Overnight	Rain showers likely. Cloudy, with a low around 48. North wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday	A chance of rain showers before noon, then 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. Cloudy. High near 56, with temperatures falling to around 53 in the afternoon. Northeast wind 7 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.
Tuesday Night	A slight chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 49. Southeast wind 3 to 7 mph. Chance of precipitation is 20%.
Wednesday	A chance of showers and thunderstorms after noon. Partly sunny, with a high near 73. North wind 5 to 8 mph. Chance of precipitation is 40%.
Wednesday Night	Showers and thunderstorms likely. Cloudy, with a low around 53. North northeast wind 3 to 8 mph. Chance of precipitation is 60%.
Thursday	A slight chance of rain showers before noon, then showers and thunderstorms likely. Mostly cloudy, with a high near 69. Chance of precipitation is 70%.
Thursday Night	A chance of showers and thunderstorms before 9pm, then a chance of showers and thunderstorms between 9pm and midnight. Mostly cloudy, with a low around 51.
Friday	Showers and thunderstorms likely after noon. Mostly cloudy, with a high near 72.
Friday Night	A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 53.
Saturday	A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79.
Saturday Night	Mostly clear, with a low around 54.
Sunday	A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79.
Sunday Night	A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 54.
Monday	A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80.

Forecast from NOAA-NWS for Thornton, CO.