Weather in Castle Rock, CO
Updated 2026-09-26 07:00 local time · ZIP codes 80104, 80108, 80109
Partly Cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
53°9% rain56°5% rain
62°2% rain67°1% rain71°1% rain74°0% rain76°0% rain77°0% rain77°1% rain78°1% rain76°1% rain72°4% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 9%).
It feels like 48°F with winds near 8 mph.
71°F, 1% rain chance and 8 mph wind.
Visibility is around 6 mi; gusts may reach 23 mph.
Current temperature is 53°F, wind 8 mph, rain chance up to 9%.
UV index is 0.
Local weather characteristics in Castle Rock
Colorado weather changes quickly with elevation. The eastern plains, Front Range and high mountains can have very different temperatures, wind, snow and thunderstorm conditions on the same day.
Castle Rock is part of the West weather region. The forecast point is near 39.37°N latitude and 104.86°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Castle Rock weather today
Partly Cloudy and 53°F in Castle Rock, CO. Today's high is 78°F with a 2% rain chance. Winds are around 8 mph with gusts near 8 mph. Relative humidity is 66%, pressure is 30.00 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Castle Rock
Sunrise is at 06:50 AM and sunset is at 06:50 PM. Tomorrow's forecast calls for Overcast with a high near 78°F and a low near 57°F. The maximum rain chance is 7%.