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, 25-Mar-2025 7:49pm MDT

Thornton
 
  Wednesday

Wednesday: Sunny
Sunny
Thursday

Thursday: Mostly Sunny
Mostly Sunny
Friday

Friday: Partly Sunny
Partly Sunny
Saturday

Saturday: Chance Light Rain
Chance Light Rain
Sunday

Sunday: Chance Rain And Snow
Chance Rain And Snow
Monday

Monday: Partly Sunny then Chance Light Rain
Partly Sunny then Chance Light Rain
Tuesday

Tuesday: Chance Light Rain
Chance Light Rain
  Hi 74 °F Hi 78 °F Hi 78 °F Hi 63 °F Hi 45 °F Hi 57 °F Hi 58 °F
 
Tonight

Tonight: Mostly Clear
Mostly Clear
Wednesday
Night
Wednesday Night: Mostly Clear
Mostly Clear
Thursday
Night
Thursday Night: Partly Cloudy
Partly Cloudy
Friday
Night
Friday Night: Chance Light Rain
Chance Light Rain
Saturday
Night
Saturday Night: Rain Likely
Rain Likely
Sunday
Night
Sunday Night: Chance Light Rain then Mostly Cloudy
Chance Light Rain then Mostly Cloudy
Monday
Night
Monday Night: Chance Light Rain
Chance Light Rain
 
Lo 41 °F Lo 46 °F Lo 48 °F Lo 42 °F Lo 36 °F Lo 34 °F Lo 37 °F  

 

Tonight
 
Mostly clear. Low around 41, with temperatures rising to around 43 overnight. West southwest wind around 3 mph.
Wednesday
 
Sunny, with a high near 74. Southeast wind 3 to 7 mph.
Wednesday Night
 
Mostly clear, with a low around 46. South southeast wind around 7 mph.
Thursday
 
Mostly sunny, with a high near 78. Southwest wind 6 to 9 mph.
Thursday Night
 
Partly cloudy, with a low around 48. Southwest wind around 9 mph.
Friday
 
Partly sunny, with a high near 78.
Friday Night
 
A chance of rain. Mostly cloudy, with a low around 42. Chance of precipitation is 40%.
Saturday
 
A chance of rain. Partly sunny, with a high near 63.
Saturday Night
 
Rain likely. Mostly cloudy, with a low around 36.
Sunday
 
A chance of rain before 9am, then a chance of rain and snow. Partly sunny, with a high near 45.
Sunday Night
 
A chance of rain before midnight. Mostly cloudy, with a low around 34.
Monday
 
A chance of rain after noon. Partly sunny, with a high near 57.
Monday Night
 
A chance of rain. Mostly cloudy, with a low around 37.
Tuesday
 
A chance of rain. Partly sunny, with a high near 58.

 

Forecast from NOAA-NWS for Thornton, CO.