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WeatherLive › California › Castaic

Castaic, CA Weather (91310)

ZIP codes: 91310 · 91384
Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherCastaic · 5:00 PM PDT
94° | 63°
91°F
Feels like 94°
Sunny
WindSW 12 mph · Gusts 14 mph
Precip5% · –
Humidity44% · Dew point 66°
UV index10 Very high
Air Quality58 Moderate
Pressure29.91 inHg
Visibility6 mi
Sunrise / Sunset6:14 AM · 7:43 PM · 13h 29m

Weather map — Castaic

Full radar →
Now
88°
1%
11 mph
18:00
85°
1%
9 mph
19:00
80°
2%
8 mph
20:00
74°
4%
5 mph
21:00
70°
6%
3 mph
22:00
68°
8%
2 mph
23:00
66°
9%
1 mph
00:00
65°
11%
0 mph
01:00
64°
11%
0 mph
02:00
63°
12%
1 mph
03:00
62°
12%
1 mph
04:00
61°
14%
2 mph
05:00
60°
7%
3 mph
06:00
60°
7%
2 mph
07:00
63°
5%
1 mph
08:00
71°
3%
1 mph
09:00
76°
1%
2 mph
10:00
80°
1%
4 mph
11:00
83°
0%
6 mph
12:00
87°
0%
8 mph
13:00
89°
0%
10 mph
14:00
90°
0%
11 mph
15:00
91°
0%
12 mph
16:00
90°
0%
12 mph

Today · Fri 8/14

High 94°
5% / –

Sunny. Winds SW at 12 mph.

Tonight · Fri 8/14

Low 60°
6% / –

Sunny. Winds W at 3 mph.

Tomorrow · Sat 8/15

91° | 60°
2% / –

Sunny. Winds SW at 12 mph.

7-day trend

Castaic · temperature + precipitation

10-day forecast

Updated 5:00 PM

Details & indices

Wind
12 mph SW
Gusts 14 mph
Humidity
44%
Dew point 66°
Pressure
29.91 inHg
Rising
UV index
10 — Very high
High today
Air Quality
Moderate
AQI 58 · US EPA
Allergy
Very high
Mugwort
Visibility
6 mi
Clear view
Allergy — Castaic

🌿 Conditions right now

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

Sun & moon

Sunrise6:14 AM
Sunset7:43 PM
Length of day13h 29m
Moonrise8:22 AM
Moonset8:55 PM
Moon phase🌒 Waxing Crescent · 7%
Next full moonAug 27 Sturgeon Moon
Latitude34.4889°N
Longitude-118.6229°E

Water temps nearby

View all →
Santa Monica Beach (34 mi)73°
Zuma Beach, Malibu (35 mi)73°
Venice Beach (36 mi)73°
🌤️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}}
🌤️
Los Angeles
—
—
San Diego
Partly cloudy
80° 🌤️
San Jose
—
— 🌤️
San Francisco
—
— 🌤️
Fresno
—
— 🌤️
Sacramento
—
—
Data sources · Friday, August 14
Where the Castaic 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: 34.4889°N, -118.6229°.
NBM + global weather models
Updated: 5:00 PM
Weather in Castaic
The 10-day span for Castaic runs from a high near 102° on Wednesday down to 60° overnight on Saturday. Rain totals look negligible: a dry run of days ahead. The NWS alert board for this area is currently clear. Right now Castaic is running about 24° warmer than Oxnard. Longer view: Mediterranean pattern — nearly all rain lands November through March.
Castaic, CA · Elev 1,227 ft · 34.49°N, 118.62°W · California · 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: 5:00 PM