Support Time.now: Join our Premium Plan for an ad-free experience! Support Us: Go Premium Ad-Free!

🇺🇸 Weather in Castle Rock

Current Weather in Castle Rock

Red Flag Warning issued June 5 at 8:54PM MDT until June 6 at 7:00PM MDT by NWS Denver CO
Sunny
29°C
Feels like 27°C. Sunny.
🌬️ 5 km/h ESE
💧 20% Humidity
🧭 1014 hPa
👁️ 16.0 km Visibility
☀️ UV Index: 8.5
🌡️ Dew Point: 1°C
🌅 Sunrise: 05:32 AM
🌇 Sunset: 08:23 PM
Map Overlays:

In Castle Rock right now it is 29°C and sunny, feeling like 27°C. Humidity is 20% with winds around 5 km/h, and the UV index is 8 (very high). Over the next few days, temperatures in Castle Rock range from about 12°C to 30°C. ⚠️ Red Flag Warning issued June 5 at 8:54PM MDT until June 6 at 7:00PM MDT by NWS Denver CO

Hourly Forecast for Castle Rock

14:00
Partly Cloudy
28°
1%
15:00
Sunny
28°
0%
16:00
Sunny
27°
0%
17:00
Patchy rain nearby
23°
3%
18:00
Patchy rain nearby
19°
73%
19:00
Patchy rain nearby
17°
73%
20:00
Patchy rain nearby
16°
73%
21:00
Patchy rain nearby
15°
73%
22:00
Partly Cloudy
14°
2%
23:00
Clear
14°
2%
00:00
Clear
14°
1%
01:00
Clear
13°
1%
02:00
Clear
13°
1%
03:00
Clear
13°
1%
04:00
Clear
12°
1%
05:00
Clear
12°
1%
06:00
Sunny
14°
1%
07:00
Sunny
17°
1%
08:00
Sunny
20°
0%
09:00
Sunny
23°
0%
10:00
Sunny
25°
0%
11:00
Sunny
27°
0%
12:00
Sunny
28°
0%
13:00
Sunny
28°
0%

14-Day Forecast for Castle Rock

Sat, Jun 06
Patchy rain nearby Patchy rain nearby
30° / 13°
Sun, Jun 07
Sunny Sunny
30° / 12°
Mon, Jun 08
Partly Cloudy Partly Cloudy
29° / 12°
Tue, Jun 09
Sunny Sunny
31° / 13°
Wed, Jun 10
Sunny Sunny
30° / 12°
Thu, Jun 11
Sunny Sunny
29° /
Fri, Jun 12
Sunny Sunny
22° /
Sat, Jun 13
Sunny Sunny
22° /
Sun, Jun 14
Patchy rain nearby Patchy rain nearby
24° /
Mon, Jun 15
Patchy rain nearby Patchy rain nearby
19° /
Tue, Jun 16
Patchy rain nearby Patchy rain nearby
20° /
Wed, Jun 17
Patchy rain nearby Patchy rain nearby
23° / 11°
Thu, Jun 18
Partly Cloudy Partly Cloudy
27° / 10°
Fri, Jun 19
Sunny Sunny
27° /

Additional Forecasts for Castle Rock

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 118.0 μg/m³
O₃ (Ozone) 120.0 μg/m³
NO₂ (Nitrogen Dioxide) 0.6 μg/m³
SO₂ (Sulphur Dioxide) 0.3 μg/m³
PM2.5 (Fine particles) 4.7 μg/m³
PM10 (Coarse particles) 9.8 μg/m³

Historical Weather

Weather Forecasts for Other Cities in United States

Browse Weather in United States by cities in alphabetical order:

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Weather in United States ›

Best Time to Be Outside in Castle Rock Tomorrow

There is no good daylight window left in Castle Rock today. Tomorrow, the most comfortable window looks like 07:00 to 07:00, when it is around 17°C. It should stay dry through that window. The next likely rain is around 18:00.

Frequently Asked Questions about Weather in Castle Rock

What is the temperature in Castle Rock right now?

The current temperature in Castle Rock is 29°C (85°F), sunny (feels like 27°C).

What's the weather like in Castle Rock right now?

Conditions in Castle Rock right now: Sunny, humidity 20%, wind 5 km/h ESE.

What is today's forecast for Castle Rock?

Today in Castle Rock: high 30°C, low 13°C, patchy rain nearby. Chance of rain: 73%.

What is the 7-day weather forecast for Castle Rock?

Daily highs and lows for Castle Rock:

  • 2026-06-06: 30°C / 13°C
  • 2026-06-07: 30°C / 12°C
  • 2026-06-08: 29°C / 12°C
  • 2026-06-09: 31°C / 13°C
  • 2026-06-10: 30°C / 12°C
  • 2026-06-11: 29°C / 9°C
  • 2026-06-12: 22°C / 5°C
Is it going to rain in Castle Rock today?

There is a 73% chance of rain in Castle Rock today. Total expected precipitation: 1.94 mm.

What is the wind speed in Castle Rock right now?

Wind in Castle Rock is currently 5 km/h (3 mph) from the ESE.

What is the UV index in Castle Rock right now?

The UV index in Castle Rock is currently 8.5 (very high). Sun protection is recommended when the index is 3 or higher.

Weather forecasts for other major cities in 🇺🇸 United States:

New York City · Los Angeles · Brooklyn · Chicago · Houston · Queens · Phoenix · Philadelphia · Manhattan · San Antonio · San Diego · The Bronx · Dallas · Jacksonville · Austin · Fort Worth · Columbus · Indianapolis · Charlotte · San Francisco · Seattle · Denver · Washington, D.C. · Washington · Nashville · El Paso · Oklahoma City · Detroit · Boston · Portland · New South Memphis · Memphis · Las Vegas · Milwaukee · Baltimore · South Boston · Albuquerque · Tucson · Fresno · Sacramento · Omaha · Kansas City · Long Beach · Mesa · Staten Island · Atlanta · Colorado Springs · Virginia Beach · Raleigh · Miami