Hourly Weather Forecast for Castle Rock, Colorado 80109 - The Weather Channel | weather.com

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Hourly WeatherCastle Rock, Colorado 80109 · as of 10:54 PM UTC

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On The Move

And The Best State For An Adventure Vacation Is ...

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California Wildflower Superblooms Are Back In 2026

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3 Big Changes Coming To National Parks In 2026

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‘Rare And Remarkable’: Lake Superior Ice Caves Reopen

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Don't Miss

Massive Temperature Plunges Ahead For Many Cities; Where It Will Get Cooler

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Severe Thunderstorms, Including Hail And Tornadoes, Possible In Midwest Again

Powerful Rain Sends Water Gushing In Honolulu

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Earth's Climate Is 'Out Of Balance' As Record Heat Builds, According To WMO

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We Love Our Critters

Pups Go Wild With Makeshift Dog Sled During Blizzard

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What To Look Out For With Your Dogs This Allergy Season

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Stick Is Life! Watch This Dog Plow Through 20 Inches Of Snow

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Snow Vs. Short Legs: Watch This Corgi’s Blizzard Battle

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Spring Is Here

Study: Winters Less Snowy, Shortening Across N. Hemisphere

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Leaves Increasing On Trees In The South, Pollen On The Rise

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When Are The Average Last Freezes In The US?

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Allergy Season Grows Longer – Especially In These Places

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Home & Garden

Don’t Make These Mistakes When Planting Your Spring Garden

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When To Worry About Mold Growing In Your Home

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Get Ahead For Spring With Essential Winter Garden Tips

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Why Your Home's Air Might Be More Polluted Than Outdoors

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Editor's Pick

How El Niño Impacts Atlantic Hurricanes

It is looking increasingly likely that a strong El Niño will develop during the hurricane season this year. A strong El Niño can drastically impact hurricane formation in the Atlantic Basin.

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Sun & Moon

March Meteor Mania: We’re Tracking Sightings Of Fireballs Across The US

Stay Safe

Tornado Survey Science: How Experts Tell The Difference Between Tornadoes And Straight-Line Winds

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