National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Denver - Centennial Airport (KAPA)

Lat: 39.56°NLon: 104.85°WElev: 5869ft.

Partly Cloudy

89°F

32°C

Humidity 15%
Wind Speed Calm
Barometer 30.25 in (1016.2 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 17 Aug 2:53 pm MDT
Extended Forecast for

Castle Rock CO

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. East northeast wind 5 to 7 mph.

    High: 89 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 60. South southeast wind 6 to 10 mph becoming west southwest after midnight. Winds could gust as high as 16 mph.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91. Southwest wind 5 to 9 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph.

    High: 91 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59. Northeast wind 5 to 8 mph becoming calm after midnight.

    Low: 59 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 88. Southeast wind 3 to 6 mph. Winds could gust as high as 15 mph. Chance of precipitation is 60%.

    High: 88 °F

    Mostly Sunny
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 57. Chance of precipitation is 30%.

    Low: 57 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59.

    Low: 59 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. East northeast wind 5 to 7 mph.
Tonight
Partly cloudy, with a low around 60. South southeast wind 6 to 10 mph becoming west southwest after midnight. Winds could gust as high as 16 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91. Southwest wind 5 to 9 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59. Northeast wind 5 to 8 mph becoming calm after midnight.
Wednesday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 88. Southeast wind 3 to 6 mph. Winds could gust as high as 15 mph. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 57. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 89.
Thursday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59.
Friday
Sunny, with a high near 93.
Friday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 61.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Castle Rock CO
 39.38°N 104.87°W (Elev. 6201 ft)
Last Update:
12:46 pm MDT Aug 17, 2026
Forecast Valid:
3pm MDT Aug 17, 2026-6pm MDT Aug 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation