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WeatherLive › Colorado › Castle Rock

Castle Rock, CO Weather (80104)

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherCastle Rock · 6:26 AM MDT
89° | 64°
64°F
Feels like 60°
Mostly cloudy
WindW 5 mph · Gusts 5 mph
Precip8% · –
Humidity50% · Dew point 45°
UV index10 Very high
Air Quality16 Good
Pressure30.00 inHg
Visibility6 mi
Sunrise / Sunset6:15 AM · 7:51 PM · 13h 36m

Weather map — Castle Rock

Full radar →
Now
64°
12%
5 mph
07:00
65°
12%
4 mph
08:00
69°
11%
4 mph
09:00
75°
10%
6 mph
10:00
81°
9%
7 mph
11:00
85°
8%
8 mph
12:00
86°
1%
7 mph
13:00
88°
1%
9 mph
14:00
89°
5%
9 mph
15:00
88°
5%
13 mph
16:00
85°
3%
19 mph
17:00
84°
9%
10 mph
18:00
82°
3%
13 mph
19:00
77°
1%
14 mph
20:00
70°
8%
9 mph
21:00
70°
11%
6 mph
22:00
70°
11%
7 mph
23:00
70°
11%
6 mph
00:00
69°
11%
7 mph
01:00
69°
11%
6 mph
02:00
68°
10%
6 mph
03:00
67°
8%
6 mph
04:00
67°
10%
4 mph
05:00
68°
8%
5 mph

Today · Tue 8/18

High 89°
8% / –

Mostly cloudy. Winds NE at 19 mph.

Overnight · Tue 8/18

Low 65°
— / –

Mostly cloudy.

Tomorrow · Wed 8/19

88° | 64°
57% / 0.04 in

Sunny. Winds W at 10 mph.

7-day trend

Castle Rock · temperature + precipitation

10-day forecast

Updated 6:26 AM

Details & indices

Wind
5 mph W
Gusts 5 mph
Humidity
50%
Dew point 45°
Pressure
30.00 inHg
Rising
UV index
10 — Very high
High today
Air Quality
Good
AQI 16 · US EPA
Allergy
High
Mugwort
Visibility
6 mi
Clear view
Allergy — Castle Rock

🌿 Conditions right now

View all →
Birch
None
Grass
Low
Oak
None
Alder
None
Hazel
None
Mugwort
Moderate
Ragweed
None

Sun & moon

Sunrise6:15 AM
Sunset7:51 PM
Length of day13h 36m
Moonrise12:47 PM
Moonset10:40 PM
Moon phase🌓 First Quarter · 35%
Next full moonAug 27 Sturgeon Moon
Latitude39.3722°N
Longitude-104.8561°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Great
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in {{REGION}}
🌤️
Denver
—
— 🌤️
Colorado Springs
—
— 🌤️
Aurora
—
— 🌤️
Fort Collins
—
—
Lakewood
Mostly cloudy
73°
Data sources · Tuesday, August 18
Where the Castle Rock forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 39.3722°N, -104.8561°.
NBM + global weather models
Updated: 6:26 AM
Weather in Castle Rock
Castle Rock's outlook: warmest day near 95° (Saturday), coldest night about 59° (Thursday). Roughly 0.84 in of rain falls over the period, with Tuesday the most likely wet day (66%). Wind is the one to watch: gusts to 36 mph around Saturday. No watches or warnings are active for the area right now. Right now Castle Rock is about 14° cooler than nearby Denver. Longer view: mountain climate — intense sun, cool nights and snow well beyond 'winter'.
Castle Rock, CO · Elev 6,224 ft · 39.37°N, 104.86°W · Colorado · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 6:26 AM