| NWS Forecast for: Castle Rock CO Issued by: National Weather Service Denver-Boulder, CO Last Update: 12:46 am MDT Apr 18, 2026 |  |
Today: Sunny, with a high near 54. West wind 5 to 8 mph becoming north in the afternoon. Winds could gust as high as 17 mph. Tonight: Partly cloudy, with a low around 30. North wind 5 to 9 mph becoming south in the evening. Sunday: Sunny, with a high near 71. Calm wind becoming north northeast 5 to 9 mph in the afternoon. Winds could gust as high as 17 mph. Sunday Night: Mostly clear, with a low around 39. North northeast wind 5 to 9 mph becoming south southwest after midnight. Winds could gust as high as 17 mph. Monday: Mostly sunny, with a high near 76. Light and variable wind becoming north 5 to 7 mph in the afternoon. Winds could gust as high as 15 mph. Monday Night: Partly cloudy, with a low around 45. Tuesday: Sunny, with a high near 80. Tuesday Night: Partly cloudy, with a low around 50. Wednesday: Sunny, with a high near 79. Breezy. Wednesday Night: Partly cloudy, with a low around 45. Breezy. Thursday: A slight chance of showers. Mostly sunny, with a high near 67. Breezy. Thursday Night: A chance of rain and snow showers. Mostly cloudy, with a low around 34. Breezy. Friday: A chance of rain and snow showers. Some thunder is also possible. Partly sunny, with a high near 58. | |
| Castle Rock CO 39.38°N 104.87°W (Elev. 6201 ft) | |
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