| NWS Forecast for: Castle Rock CO Issued by: National Weather Service Denver-Boulder, CO Last Update: 12:46 am MDT Oct 6, 2026 | |
| Today: Mostly sunny, with a high near 28. Southwest wind 5 to 11 km/h becoming north northeast in the afternoon. Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 12. East northeast wind 8 to 11 km/h becoming southwest in the evening. Wednesday: A 20 percent chance of showers after 3pm. Mostly sunny, with a high near 26. Southwest wind 5 to 14 km/h becoming east in the morning. Winds could gust as high as 26 km/h. Wednesday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 11. South southwest wind around 11 km/h. Thursday: Sunny, with a high near 26. South southwest wind 5 to 11 km/h becoming north northeast in the afternoon. Thursday Night: Mostly clear, with a low around 11. Friday: Sunny, with a high near 27. Friday Night: Mostly clear, with a low around 12. Saturday: Sunny, with a high near 26. Saturday Night: Partly cloudy, with a low around 12. Sunday: Mostly sunny, with a high near 22. Sunday Night: A slight chance of showers. Mostly cloudy, with a low around 9. Columbus Day: A chance of showers. Partly sunny, with a high near 18. | |
| Castle Rock CO 39.38°N 104.84°W (Elev. 6526 m) | |
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