Live Weather & Forecast

Weather in Castle Rock

Colorado, United States · Real-time conditions & 3-day outlook

Flag of United States
Partly cloudy
19°C
Feels like 19°C
67°F / Feels 67°F
Partly cloudy
Castle Rock, Colorado
🌞 Daytime
Updated: 2026-04-12 11:45
💧
Humidity
16%
💨
Wind
16.6 km/h SW
🌬️
Wind Gust
19 km/h
🌡️
Pressure
1011 mb
👁️
Visibility
16 km
☀️
UV Index
5.9 (Moderate)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
75%
💦
Dew Point
-2.1°C
🌐
Wind Degree
217°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
124.9 μg/m³
NO₂
1.2 μg/m³
O₃
122 μg/m³
SO₂
1.3 μg/m³
PM 2.5
2.5 μg/m³
PM 10
6 μg/m³

Weather Alerts 4

Met · Severe · Expected
Red Flag Warning issued April 11 at 11:13PM MDT until April 12 at 8:00PM MDT by NWS Denver CO

...FIRE WEATHER WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTH PARK, THE SOUTHERN FRONT RANGE FOOTHILLS, PALMER DIVIDE INTO EAST CENTRAL COLORADO, AND EASTERN LARIMER AND NORTHERN WELD COUNTIES... The National Weather Service in Denver has issued a Red Flag Warning for wind and low relative humidity, which is in effect from noon to 8 PM MDT...

A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. A Fire Weather Watch means that critical fire weather conditions are for...

Effective: 2026-04-11T23:13:00-06:00  ·  Expires: 2026-04-12T15:00:00-06:00
Met · Severe · Future
Fire Weather Watch issued April 11 at 11:13PM MDT until April 13 at 8:00PM MDT by NWS Denver CO

...FIRE WEATHER WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTH PARK, THE SOUTHERN FRONT RANGE FOOTHILLS, PALMER DIVIDE INTO EAST CENTRAL COLORADO, AND EASTERN LARIMER AND NORTHERN WELD COUNTIES... The National Weather Service in Denver has issued a Red Flag Warning for wind and low relative humidity, which is in effect from noon to 8 PM MDT...

A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. A Fire Weather Watch means that critical fire weather conditions are for...

Effective: 2026-04-11T23:13:00-06:00  ·  Expires: 2026-04-12T15:00:00-06:00
Met · Severe · Expected
Red Flag Warning issued April 12 at 12:12AM MDT until April 13 at 9:00PM MDT by NWS Pueblo CO

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 9 PM MDT MONDAY FOR FIRE WEATHER ZONES 220, 221, 222, 224, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, AND 237... The National Weather Service in Pueblo has issued a new Red Flag Warning for gusty winds and low relative humidity, which is in effect from 11 AM to 9 PM MDT Monday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA....

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.

Effective: 2026-04-12T00:12:00-06:00  ·  Expires: 2026-04-12T16:15:00-06:00
Met · Severe · Expected
Red Flag Warning issued April 12 at 12:12AM MDT until April 12 at 9:00PM MDT by NWS Pueblo CO

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 9 PM MDT MONDAY FOR FIRE WEATHER ZONES 220, 221, 222, 224, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, AND 237... The National Weather Service in Pueblo has issued a new Red Flag Warning for gusty winds and low relative humidity, which is in effect from 11 AM to 9 PM MDT Monday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA....

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.

Effective: 2026-04-12T00:12:00-06:00  ·  Expires: 2026-04-12T16:15:00-06:00

Today's Hourly Forecast

24-hour breakdown for Castle Rock, Colorado

12 AM
Clear
9°
Clear
💧 62% 💨 15.1 km/h
1 AM
Clear
8°
Clear
💧 64% 💨 14.4 km/h
2 AM
Clear
7°
Clear
💧 67% 💨 15.8 km/h
3 AM
Clear
6°
Clear
💧 70% 💨 14.8 km/h
4 AM
Clear
5°
Clear
💧 75% 💨 15.8 km/h
5 AM
Clear
4°
Clear
💧 78% 💨 17.3 km/h
6 AM
Clear
4°
Clear
💧 79% 💨 15.5 km/h
7 AM
Sunny
7°
Sunny
💧 62% 💨 15.1 km/h
8 AM
Sunny
10°
Sunny
💧 44% 💨 16.6 km/h
9 AM
Sunny
13°
Sunny
💧 40% 💨 19.1 km/h
10 AM
Sunny
16°
Sunny
💧 27% 💨 18.4 km/h
11 AM
Partly cloudy
19°
Partly cloudy
💧 16% 💨 16.6 km/h
12 PM
Sunny
20°
Sunny
💧 19% 💨 15.8 km/h
1 PM
Sunny
22°
Sunny
💧 17% 💨 19.8 km/h
2 PM
Sunny
23°
Sunny
💧 14% 💨 25.6 km/h
3 PM
Sunny
23°
Sunny
💧 12% 💨 29.9 km/h
4 PM
Sunny
24°
Sunny
💧 13% 💨 26.6 km/h
5 PM
Sunny
23°
Sunny
💧 13% 💨 27 km/h
6 PM
Sunny
22°
Sunny
💧 12% 💨 21.6 km/h
7 PM
Sunny
18°
Sunny
💧 16% 💨 25.9 km/h
8 PM
Clear
15°
Clear
💧 20% 💨 24.5 km/h
9 PM
Clear
13°
Clear
💧 21% 💨 16.2 km/h
10 PM
Clear
12°
Clear
💧 28% 💨 11.9 km/h
11 PM
Partly Cloudy
10°
Partly Cloudy
💧 31% 💨 13 km/h

3-Day Forecast

Daily overview for Castle Rock, Colorado

Today
Sunny
Sunny
24° / 3°
🌧️ 0% chance of rain
💧 Avg. humidity: 38%
💨 Max wind: 29.9 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.9
🌅 Sunrise: 06:26 AM
🌇 Sunset: 07:35 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Sunny
Sunny
21° / 3°
🌧️ 0% chance of rain
💧 Avg. humidity: 24%
💨 Max wind: 35.3 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2
🌅 Sunrise: 06:25 AM
🌇 Sunset: 07:36 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Overcast
Overcast
11° / 5°
🌧️ 0% chance of rain
💧 Avg. humidity: 54%
💨 Max wind: 17.3 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.5
🌅 Sunrise: 06:23 AM
🌇 Sunset: 07:37 PM
🌙 Waning Crescent
🌑 Moon: 15% lit

Best Time to Visit Castle Rock

Plan your trip to Castle Rock, United States around the most favorable weather conditions.

Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
← Back to Castle Rock 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Castle Rock?
Current conditions in Castle Rock: Partly cloudy, temperature 19°C, humidity 16%.
What is the best time to visit Castle Rock?
The best time to visit Castle Rock is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Castle Rock?
Castle Rock is located at approximately 39.4° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Castle Rock?
The wettest period in Castle Rock is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Castle Rock?
For visits to Castle Rock during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Castle Rock in?
Castle Rock is located in United States, in the state of Colorado.
What are the public holidays in Castle Rock in 2026?
View the 2026 public holidays for Castle Rock on our Holidays page.
What are the GPS coordinates used for the weather forecast in Castle Rock?
The weather forecast for Castle Rock uses coordinates 39.3723, -104.8587.