| National Weather Service Forecast for:
Castle Rock CO Issued by: National Weather Service Denver-Boulder, CO |
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| Updated: 12:47 pm MDT Apr 6, 2026 | ||||||||||||||||||
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| This Afternoon |
Increasing clouds, with a high near 72. East northeast wind 5 to 10 mph, with gusts as high as 18 mph. |
| Tonight |
Mostly cloudy, with a low around 36. East wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 21 mph. |
| Tuesday |
A 50 percent chance of showers after noon. Mostly cloudy, with a high near 68. Calm wind becoming south southeast 5 to 9 mph in the afternoon. Winds could gust as high as 16 mph. |
| Tuesday Night |
A 40 percent chance of showers before midnight. Partly cloudy, with a low around 41. Southwest wind 6 to 8 mph, with gusts as high as 16 mph. |
| Wednesday |
A 30 percent chance of showers after noon. Mostly sunny, with a high near 71. Light and variable wind becoming north 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph. |
| Wednesday Night |
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 40. |
| Thursday |
A 50 percent chance of showers after noon. Partly sunny, with a high near 72. |
| Thursday Night |
Showers likely, mainly before midnight. Mostly cloudy, with a low around 43. |
| Friday |
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 69. |
| Friday Night |
A chance of showers. Mostly cloudy, with a low around 44. |
| Saturday |
Showers likely. Mostly cloudy, with a high near 72. |
| Saturday Night |
A chance of showers. Mostly cloudy, with a low around 43. |
| Sunday |
A chance of showers. Partly sunny, with a high near 70. |
Forecast from NOAA-NWS for Castle Rock CO.