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Weather in Castle Rock, United States 🇺🇸

Current Weather in Castle Rock

Clear
16°C
Feels like 13°C. Clear.
🌬️ 9 km/h SSW
💧 34% Humidity
🧭 1011 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 0.0
🌡️ Dew Point: 1°C
🌅 Sunrise: 06:30 AM
🌇 Sunset: 07:26 PM
Map Overlays:

Castle Rock currently sits at 16°C, clear, feeling like 13°C. Humidity sits at 34% and winds are near 9 km/h, and the UV index is 0 (low). The next few days in Castle Rock look set for about 16°C up to 31°C.

Hourly Forecast for Castle Rock

07:00
Sunny
17°
1%
08:00
Sunny
20°
1%
09:00
Sunny
23°
1%
10:00
Sunny
26°
1%
11:00
Sunny
28°
0%
12:00
Sunny
29°
0%
13:00
Sunny
30°
1%
14:00
Partly Cloudy
31°
4%
15:00
Cloudy
31°
7%
16:00
Overcast
31°
8%
17:00
Patchy rain nearby
30°
11%
18:00
Patchy rain nearby
22°
18%
19:00
Overcast
22°
11%
20:00
Overcast
20°
12%
21:00
Overcast
19°
12%
22:00
Overcast
19°
13%
23:00
Cloudy
20°
10%
00:00
Partly Cloudy
18°
7%
01:00
Clear
18°
4%
02:00
Clear
18°
4%
03:00
Clear
17°
4%
04:00
Clear
17°
5%
05:00
Overcast
16°
16%
06:00
Overcast
16°
16%

14-Day Forecast for Castle Rock

Fri, Sep 04
Sunny Sunny
31° / 16°
Sat, Sep 05
Sunny Sunny
30° / 16°
Sun, Sep 06
Overcast Overcast
31° / 18°
Mon, Sep 07
Patchy rain nearby Patchy rain nearby
30° / 16°
Tue, Sep 08
Patchy rain nearby Patchy rain nearby
28° / 16°
Wed, Sep 09
Overcast Overcast
30° / 17°
Thu, Sep 10
Overcast Overcast
30° / 16°
Fri, Sep 11
Sunny Sunny
25° / 16°
Sat, Sep 12
Sunny Sunny
26° / 12°
Sun, Sep 13
Sunny Sunny
25° / 13°
Mon, Sep 14
Sunny Sunny
30° / 13°
Tue, Sep 15
Sunny Sunny
32° / 16°
Wed, Sep 16
Sunny Sunny
20° /
Thu, Sep 17
Overcast Overcast
/

Additional Forecasts for Castle Rock

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 135.0 μg/m³
O₃ (Ozone) 38.0 μg/m³
NO₂ (Nitrogen Dioxide) 7.1 μg/m³
SO₂ (Sulphur Dioxide) 0.4 μg/m³
PM2.5 (Fine particles) 2.5 μg/m³
PM10 (Coarse particles) 3.1 μg/m³

Historical Weather

Weather Forecasts for Other Cities in United States

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Best Time to Be Outside in Castle Rock Today

The most comfortable window in Castle Rock today looks like 07:00 to 10:00, when it is around 20°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in Castle Rock

What is the temperature in Castle Rock right now?

It is currently 16°C (62°F) in Castle Rock, clear (feels like 13°C).

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

Conditions in Castle Rock right now: Clear, humidity 34%, wind 9 km/h SSW.

What is today's forecast for Castle Rock?

Today in Castle Rock: high 31°C, low 16°C, sunny. Chance of rain: 17%.

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

Daily highs and lows for Castle Rock:

  • 2026-09-04: 31°C / 16°C
  • 2026-09-05: 30°C / 16°C
  • 2026-09-06: 31°C / 18°C
  • 2026-09-07: 30°C / 16°C
  • 2026-09-08: 28°C / 16°C
  • 2026-09-09: 30°C / 17°C
  • 2026-09-10: 30°C / 16°C
Is it going to rain in Castle Rock today?

There is a 17% chance of rain in Castle Rock today. Total expected precipitation: 0.14 mm.

What is the wind speed in Castle Rock right now?

Wind in Castle Rock is currently 9 km/h (6 mph) from the SSW.

What is the UV index in Castle Rock right now?

The UV index in Castle Rock is currently 0 (low). Sun protection is recommended when the index is 3 or higher.

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