weathermetro
Cities / United States
/ California
☁️ Castaic weather
Overcast. .
Feels like 30° Wind 16 km/h S Humidity 45% Pressure 1011 hPa UV 0 Air Good ☀ 06:14 - 19:44
Right now it is 28° in Castaic with overcast skies and today's high is 31° with an overnight low of 18° . The sun rises at 06:14 and sets at 19:44, giving 13h 30m of daylight. Over the coming week highs range from 30° to 37° .
Castaic is in California, United States, sitting 374 m above sea level, with a population of about 19,000. Local time is America/Los_Angeles (UTC−7), and every time on this page is shown in it.
Next 24 hours - temperature
18°
25°
32°
31°
18°
12:00 · 28.2° · 0 mm
13:00 · 29.3° · 0 mm
14:00 · 30.7° · 0 mm
15:00 · 31.1° · 0 mm
16:00 · 30.4° · 0 mm
17:00 · 28° · 0 mm
18:00 · 26.4° · 0 mm
19:00 · 24.5° · 0 mm
20:00 · 22.3° · 0 mm
21:00 · 20.8° · 0 mm
22:00 · 19.7° · 0 mm
23:00 · 18.9° · 0 mm
00:00 · 18.3° · 0 mm
01:00 · 18.4° · 0 mm
02:00 · 18.8° · 0 mm
03:00 · 18.9° · 0 mm
04:00 · 19.1° · 0 mm
05:00 · 19.2° · 0 mm
06:00 · 18.9° · 0 mm
07:00 · 18.9° · 0 mm
08:00 · 19.7° · 0 mm
09:00 · 20.2° · 0 mm
10:00 · 21.5° · 0 mm
11:00 · 24.2° · 0 mm
Precipitation
12:00 · 0 mm
12:00
13:00 · 0 mm
14:00 · 0 mm
15:00 · 0 mm
15:00
16:00 · 0 mm
17:00 · 0 mm
18:00 · 0 mm
18:00
19:00 · 0 mm
20:00 · 0 mm
21:00 · 0 mm
21:00
22:00 · 0 mm
23:00 · 0 mm
00:00 · 0 mm
00:00
01:00 · 0 mm
02:00 · 0 mm
03:00 · 0 mm
03:00
04:00 · 0 mm
05:00 · 0 mm
06:00 · 0 mm
06:00
07:00 · 0 mm
08:00 · 0 mm
09:00 · 0 mm
09:00
10:00 · 0 mm
11:00 · 0 mm
Hour by hour
TIME TEMP FEELS RAIN CONDITIONS
12:00
☁️
28.2°
26.8°
-
Overcast
13:00
☀️
29.3°
27.8°
-
Clear sky
14:00
☀️
30.7°
28.4°
-
Clear sky
15:00
☀️
31.1°
28.9°
-
Clear sky
16:00
☀️
30.4°
27.7°
-
Clear sky
17:00
☀️
28°
25.8°
-
Clear sky
18:00
☀️
26.4°
24.8°
-
Clear sky
19:00
☀️
24.5°
23.5°
-
Clear sky
20:00
☀️
22.3°
21.8°
-
Clear sky
21:00
☀️
20.8°
21°
-
Clear sky
22:00
☀️
19.7°
20.1°
-
Clear sky
23:00
☀️
18.9°
19.7°
-
Clear sky
☀️
TodayAugust 13th
Avg 23° Low 18° at 06:00
High 31° at 15:00
Feels 28° Wind ~23 km/h
Clear
Clear
Clear
00:00
19°
02:00
19°
04:00
18°
06:00
18°
08:00
20°
10:00
24°
12:00
28°
14:00
31°
16:00
30°
18:00
26°
20:00
22°
22:00
20°
☀️
FridayAugust 14th
Avg 22° Low 18° at 23:00
High 30° at 15:00
Feels 28° Wind ~24 km/h
Cloudy
Clear
00:00
18°
02:00
19°
04:00
19°
06:00
19°
08:00
20°
10:00
22°
12:00
26°
14:00
30°
16:00
29°
18:00
25°
20:00
21°
22:00
18°
☀️
SaturdayAugust 15th
Avg 23° Low 16° at 05:00
High 32° at 14:00
Feels 27° Wind ~28 km/h
Clear
Clear
00:00
17°
02:00
16°
04:00
16°
06:00
16°
08:00
21°
10:00
26°
12:00
30°
14:00
32°
16:00
31°
18:00
28°
20:00
21°
22:00
19°
☀️
SundayAugust 16th
Avg 24° Low 18° at 03:00
High 33° at 14:00
Feels 28° Wind ~24 km/h
Clear
00:00
19°
02:00
18°
04:00
18°
06:00
18°
08:00
23°
10:00
28°
12:00
32°
14:00
33°
16:00
32°
18:00
29°
20:00
22°
22:00
21°
☀️
MondayAugust 17th
Avg 27° Low 20° at 06:00
High 36° at 14:00
Feels 31° Wind ~25 km/h
Cloudy
Clear
00:00
20°
02:00
20°
04:00
21°
06:00
20°
08:00
26°
10:00
30°
12:00
34°
14:00
36°
16:00
35°
18:00
32°
20:00
24°
22:00
23°
☀️
TuesdayAugust 18th
Avg 28° Low 21° at 03:00
High 37° at 14:00
Feels 31° Wind ~27 km/h
Clear
00:00
23°
02:00
22°
04:00
22°
06:00
23°
08:00
27°
10:00
32°
12:00
35°
14:00
37°
16:00
36°
18:00
31°
20:00
24°
22:00
22°
🌤️
WednesdayAugust 19th
Avg 26° Low 20° at 04:00
High 35° at 14:00
Feels 29° Wind ~29 km/h
Clear
Clear
00:00
22°
02:00
21°
04:00
20°
06:00
21°
08:00
25°
10:00
30°
12:00
33°
14:00
35°
16:00
33°
18:00
29°
20:00
23°
22:00
21°
☀️
ThursdayAugust 20th
Avg 24° Low 17° at 04:00
High 33° at 15:00
Feels 28° Wind ~24 km/h
Clear
Clear
00:00
19°
02:00
19°
04:00
17°
06:00
19°
08:00
23°
10:00
28°
12:00
31°
14:00
33°
16:00
33°
18:00
29°
20:00
22°
22:00
19°
☀️
FridayAugust 21st
Avg 25° Low 16° at 04:00
High 35° at 15:00
Feels 30° Wind ~22 km/h
Clear
00:00
18°
02:00
17°
04:00
16°
06:00
18°
08:00
23°
10:00
28°
12:00
33°
14:00
35°
16:00
35°
18:00
30°
20:00
22°
22:00
20°
☀️
SaturdayAugust 22nd
Avg 28° Low 19° at 04:00
High 39° at 14:00
Feels 34° Wind ~21 km/h
Clear
Cloudy
00:00
20°
02:00
20°
04:00
19°
06:00
21°
08:00
27°
10:00
32°
12:00
36°
14:00
39°
16:00
38°
18:00
33°
20:00
25°
22:00
23°
☀️
SundayAugust 23rd
Avg 30° Low 22° at 04:00
High 40° at 14:00
Feels 35° Wind ~21 km/h
Clear
00:00
23°
02:00
22°
04:00
22°
06:00
24°
08:00
29°
10:00
34°
12:00
38°
14:00
40°
16:00
39°
18:00
34°
20:00
27°
22:00
26°
☀️
MondayAugust 24th
Avg 31° Low 24° at 04:00
High 41° at 14:00
Feels 36° Wind ~24 km/h
Clear
00:00
25°
02:00
25°
04:00
24°
06:00
26°
08:00
31°
10:00
35°
12:00
39°
14:00
41°
16:00
40°
18:00
35°
20:00
28°
22:00
27°
☁️
TuesdayAugust 25th
Avg 29° Low 23° at 23:00
High 38° at 15:00
Feels 34° Wind ~27 km/h
Clear
Cloudy
00:00
26°
02:00
25°
04:00
25°
06:00
25°
08:00
26°
10:00
31°
12:00
35°
14:00
37°
16:00
37°
18:00
33°
20:00
26°
22:00
24°
🌦️
WednesdayAugust 26th
Avg 26° Low 20° at 05:00
High 35° at 14:00
0.9 mm rain Feels 31° Wind ~24 km/h
Rain
Clear
00:00
23°
0.2mm
02:00
22°
0.2mm
04:00
20°
0.1mm
06:00
21°
08:00
24°
10:00
28°
12:00
32°
14:00
35°
16:00
34°
18:00
30°
20:00
24°
22:00
22°
☀️
ThursdayAugust 27th
Avg 24° Low 19° at 04:00
High 33° at 14:00
Feels 29° Wind ~26 km/h
Clear
00:00
20°
02:00
20°
04:00
19°
06:00
20°
08:00
23°
10:00
28°
12:00
32°
14:00
33°
16:00
31°
18:00
26°
20:00
20°
22:00
20°
⛅
FridayAugust 28th
Avg 26° Low 19° at 04:00
High 37° at 14:00
Feels 33° Wind ~18 km/h
Clear
Partly Cloudy
Clear
Partly Cloudy
00:00
20°
02:00
20°
04:00
19°
06:00
21°
08:00
25°
10:00
31°
12:00
36°
14:00
37°
16:00
35°
18:00
30°
20:00
23°
22:00
21°
Sun
☀️ Sunrise 06:14 · Sunset 19:44
13h 30m of daylight · America/Los_Angeles
Air quality
PM2.5 7.8 µg/m³ - Good
No reason to change your plans - open the windows.
Source: Copernicus CAMS, updated hourly.
Common questions about Castaic weather
Will it rain in Castaic today?
No rain is in the forecast for Castaic today.
What is the temperature in Castaic right now?
It is 28° in Castaic right now, though it feels closer to 30° . Today runs between a low of 18° and a high of 31° .
What time is sunrise and sunset in Castaic?
The sun rises at 06:14 and sets at 19:44 local time in Castaic today, giving 13h 30m of daylight.
What is the air quality in Castaic?
PM2.5 in Castaic is currently 7.8 µg/m³, which counts as Good on the European air-quality index. No reason to change your plans - open the windows.
How accurate is the Castaic forecast, and how far ahead does it go?
This page shows 16 days ahead, refreshed every hour. It blends ECMWF, NOAA GFS and whichever national high-resolution model covers Castaic best. The first three days are the dependable part - day one is usually within a degree or two - and accuracy falls off steadily after day five, so read the far end as a trend rather than a plan. We publish our measured error against real station observations on the accuracy page.
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© 2026 WeatherMetro · Weather data: ECMWF, NOAA, DWD, Météo-France, ECCC, MeteoSwiss and others (CC-BY 4.0) · Air quality & history: Copernicus CAMS / C3S · Location data: GeoNames (CC-BY) · Alerts: NWS, MeteoAlarm, ECCC