National Weather Service Forecast for: Castle Rock CO
Issued by: National Weather Service Denver-Boulder, CO
Updated: 1:51 pm MST Feb 2, 2026
 
This
Afternoon
This Afternoon: Mostly cloudy, with a high near 55. North wind around 7 mph.
Mostly Cloudy


 Tonight

Tonight: Mostly clear, with a low around 28. Northwest wind around 6 mph becoming light and variable.
Mostly Clear


 Tuesday

Tuesday: A slight chance of rain and snow after 2pm. Mostly sunny, with a high near 52. Breezy, with a south southwest wind 6 to 16 mph becoming north northwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 20%.
Mostly Sunny
then Slight
Chance
Rain/Snow and
Breezy
 Tuesday
Night
Tuesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 27. North northwest wind 5 to 10 mph, with gusts as high as 17 mph. New snow accumulation of less than a half inch possible.
Chance Snow


 Wednesday

Wednesday: Sunny, with a high near 49. West northwest wind around 5 mph becoming calm in the afternoon.
Sunny


 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 30.
Mostly Clear


 Thursday

Thursday: Sunny, with a high near 62.
Sunny


 Thursday
Night
Thursday Night: Clear, with a low around 33.
Clear


 Friday

Friday: Sunny, with a high near 63.
Sunny
Hi 55 °F Lo 28 °F Hi 52 °F Lo 27 °F Hi 49 °F Lo 30 °F Hi 62 °F Lo 33 °F Hi 63 °F

Hazardous Weather Outlook
 

This Afternoon
 
 Mostly cloudy, with a high near 55. North wind around 7 mph.
Tonight
 
 Mostly clear, with a low around 28. Northwest wind around 6 mph becoming light and variable.
Tuesday
 
 A slight chance of rain and snow after 2pm. Mostly sunny, with a high near 52. Breezy, with a south southwest wind 6 to 16 mph becoming north northwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 20%.
Tuesday Night
 
 A 50 percent chance of snow. Mostly cloudy, with a low around 27. North northwest wind 5 to 10 mph, with gusts as high as 17 mph. New snow accumulation of less than a half inch possible.
Wednesday
 
 Sunny, with a high near 49. West northwest wind around 5 mph becoming calm in the afternoon.
Wednesday Night
 
 Mostly clear, with a low around 30.
Thursday
 
 Sunny, with a high near 62.
Thursday Night
 
 Clear, with a low around 33.
Friday
 
 Sunny, with a high near 63.
Friday Night
 
 Partly cloudy, with a low around 33.
Saturday
 
 Mostly sunny, with a high near 60.
Saturday Night
 
 Partly cloudy, with a low around 31.
Sunday
 
 Sunny, with a high near 59.

 

Forecast from NOAA-NWS for Castle Rock CO.