National Weather Service Forecast for: Castle Rock CO
Issued by: National Weather Service Denver-Boulder, CO
Updated: 2:46 am MDT Jul 13, 2026
 
Overnight

Overnight: Clear, with a low around 64. South wind 11 to 13 mph, with gusts as high as 23 mph.
Clear

 Monday

Monday: Sunny, with a high near 95. Breezy, with a south southeast wind 10 to 16 mph, with gusts as high as 25 mph.
Sunny then
Sunny and
Breezy
 Monday
Night
Monday Night: Mostly clear, with a low around 64. Breezy, with a south southeast wind 11 to 17 mph, with gusts as high as 32 mph.
Mostly Clear
and Breezy

 Tuesday

Tuesday: Sunny, with a high near 94. Breezy, with a light south southwest wind becoming southeast 12 to 17 mph in the morning. Winds could gust as high as 25 mph.
Sunny then
Sunny and
Breezy
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 63. Breezy, with a south wind 13 to 20 mph, with gusts as high as 37 mph.
Mostly Clear
and Breezy

 Wednesday

Wednesday: Sunny, with a high near 91. Breezy.
Sunny then
Sunny and
Breezy
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 61. Breezy.
Mostly Clear
and Breezy

 Thursday

Thursday: Sunny, with a high near 93.
Sunny

 Thursday
Night
Thursday Night: Mostly clear, with a low around 62. Breezy.
Mostly Clear
and Breezy
then Partly
Cloudy
Lo 64 °F Hi 95 °F Lo 64 °F Hi 94 °F Lo 63 °F Hi 91 °F Lo 61 °F Hi 93 °F Lo 62 °F

Air Quality Alert
 

Overnight
 
 Clear, with a low around 64. South wind 11 to 13 mph, with gusts as high as 23 mph.
Monday
 
 Sunny, with a high near 95. Breezy, with a south southeast wind 10 to 16 mph, with gusts as high as 25 mph.
Monday Night
 
 Mostly clear, with a low around 64. Breezy, with a south southeast wind 11 to 17 mph, with gusts as high as 32 mph.
Tuesday
 
 Sunny, with a high near 94. Breezy, with a light south southwest wind becoming southeast 12 to 17 mph in the morning. Winds could gust as high as 25 mph.
Tuesday Night
 
 Mostly clear, with a low around 63. Breezy, with a south wind 13 to 20 mph, with gusts as high as 37 mph.
Wednesday
 
 Sunny, with a high near 91. Breezy.
Wednesday Night
 
 Mostly clear, with a low around 61. Breezy.
Thursday
 
 Sunny, with a high near 93.
Thursday Night
 
 Mostly clear, with a low around 62. Breezy.
Friday
 
 Sunny, with a high near 93.
Friday Night
 
 Partly cloudy, with a low around 63.
Saturday
 
 Sunny, with a high near 93.
Saturday Night
 
 A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Sunday
 
 A chance of showers and thunderstorms. Mostly sunny, with a high near 93.

 

Forecast from NOAA-NWS for Castle Rock CO.