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

Wet and Cool in the East this Memorial Day Weekend; Well Above Normal Temperatures in the Northern Plains

A wet Memorial Day weekend is in store for the East, with widespread rainfall of 1 to more than 2 inches expected from the Gulf Coast to southern New England. Well above normal temperatures are forecast to build across the northern Plains. Another round of heavy to excessive rainfall is expected to impact the western Gulf Coast this weekend with Flood Watches in effect. Read More >

Current conditions at

Denver - Centennial Airport (KAPA)

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

Mostly Cloudy

49°F

9°C

Humidity 59%
Wind Speed Vrbl 6 mph
Barometer 30.05 in (1015.3 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 22 May 9:53 am MDT
Extended Forecast for

Castle Rock CO

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 60. Light north northeast wind becoming east northeast 5 to 9 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 60 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 9pm, then showers likely. Low around 44. East southeast wind 5 to 7 mph becoming south after midnight. Winds could gust as high as 16 mph. Chance of precipitation is 80%.

    Low: 44 °F

    Showers then
    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 67. South southwest wind 5 to 7 mph becoming calm. Winds could gust as high as 15 mph.

    High: 67 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 45. Light and variable wind becoming south 5 to 8 mph in the evening. Winds could gust as high as 16 mph.

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 78. South southwest wind 5 to 7 mph becoming calm.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Memorial Day

    Memorial Day: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81.

    High: 81 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after noon. Partly sunny, with a high near 77. Breezy.

    High: 77 °F

    Mostly Sunny
    then Chance
    T-storms and
    Breezy

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 60. Light north northeast wind becoming east northeast 5 to 9 mph in the afternoon. Winds could gust as high as 15 mph.
Tonight
Showers and possibly a thunderstorm before 9pm, then showers likely. Low around 44. East southeast wind 5 to 7 mph becoming south after midnight. Winds could gust as high as 16 mph. Chance of precipitation is 80%.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 67. South southwest wind 5 to 7 mph becoming calm. Winds could gust as high as 15 mph.
Saturday Night
Mostly clear, with a low around 45. Light and variable wind becoming south 5 to 8 mph in the evening. Winds could gust as high as 16 mph.
Sunday
Sunny, with a high near 78. South southwest wind 5 to 7 mph becoming calm.
Sunday Night
Partly cloudy, with a low around 50.
Memorial Day
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81.
Monday Night
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 53.
Tuesday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 77. Breezy.
Tuesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 51. Breezy.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 73.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 49.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Castle Rock CO
 39.38°N 104.84°W (Elev. 6526 ft)
Last Update:
6:45 am MDT May 22, 2026
Forecast Valid:
10am MDT May 22, 2026-6pm MDT May 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation