| NWS Forecast for: Castle Rock CO Issued by: National Weather Service Denver-Boulder, CO Last Update: 12:46 pm MDT May 9, 2026 |  |
| This Afternoon: Mostly sunny, with a high near 74. North wind 10 to 13 mph, with gusts as high as 21 mph. Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 42. Breezy, with a north wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 40%. Sunday: Partly sunny, then gradually becoming sunny, with a high near 67. Calm wind becoming east northeast 5 to 8 mph in the afternoon. Sunday Night: Mostly clear, with a low around 44. East wind 6 to 10 mph becoming south southwest after midnight. Winds could gust as high as 18 mph. Monday: Sunny, with a high near 82. South southwest wind 5 to 7 mph becoming calm. Monday Night: Mostly clear, with a low around 51. Tuesday: Sunny, with a high near 81. Tuesday Night: Partly cloudy, with a low around 53. Wednesday: A slight chance of showers and thunderstorms after noon. Sunny, with a high near 87. Wednesday Night: Mostly cloudy, with a low around 58. Breezy. Thursday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Thursday Night: Partly cloudy, with a low around 53. Friday: A slight chance of showers and thunderstorms. Sunny, with a high near 81. | |
| Castle Rock CO 39.38°N 104.87°W (Elev. 6201 ft) | |
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