7-Day Forecast 39.38°N 104.87°W (Text-Only)
NWS Forecast for: Castle Rock CO
Issued by: National Weather Service Denver-Boulder, CO
Last Update: 12:46 am MDT May 12, 2026




Today: Mostly sunny, with a high near 80. West northwest wind 5 to 8 mph becoming east in the afternoon.

Tonight: Partly cloudy, with a low around 52. East wind 6 to 13 mph becoming south after midnight. Winds could gust as high as 21 mph.

Wednesday: A 20 percent chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 88. South southeast wind 6 to 14 mph, with gusts as high as 25 mph.

Wednesday Night: Mostly cloudy, with a low around 57. Southwest wind 7 to 14 mph, with gusts as high as 25 mph.

Thursday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 83. Southwest wind 6 to 8 mph becoming north northwest in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 20%.

Thursday Night: Mostly clear, with a low around 50.

Friday: Sunny, with a high near 83.

Friday Night: Partly cloudy, with a low around 53. Breezy.

Saturday: Sunny, with a high near 85.

Saturday Night: Partly cloudy, with a low around 52.

Sunday: A chance of showers and thunderstorms. Mostly sunny, with a high near 75.

Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 44.

Monday: A chance of showers and thunderstorms. Partly sunny, with a high near 67. Breezy.



Castle Rock CO
 39.38°N 104.87°W (Elev. 6201 ft)

Visit your local NWS office at: https://www.weather.gov/bou