10-Day Weather Forecast for Castaic (CA)

Six-hourly outlook through Tuesday 15 September. Updated every three hours via MET Norway.

Day
Night
23:00
Morning
05:00
Afternoon
11:00
Evening
17:00
Sunday
6 Sep
Rain
21°C (70°F)
2.9 mm (0.1 in)
Rain
20°C (68°F)
4.5 mm (0.2 in)
Mostly clear
23°C (73°F)
0 mm (0 in)
Hourly ›
Monday
7 Sep
Clear skies
21°C (70°F)
0 mm (0 in)
Mostly sunny
20°C (68°F)
0 mm (0 in)
Clear skies
29°C (84°F)
0 mm (0 in)
Clear skies
31°C (88°F)
0 mm (0 in)
Hourly ›
Tuesday
8 Sep
Mostly clear
23°C (73°F)
0 mm (0 in)
Partly cloudy
21°C (70°F)
0 mm (0 in)
Partly cloudy
32°C (90°F)
0 mm (0 in)
Partly cloudy
33°C (91°F)
0 mm (0 in)
Hourly ›
Wednesday
9 Sep
Partly cloudy
26°C (79°F)
0 mm (0 in)
Clear skies
24°C (75°F)
0 mm (0 in)
Clear skies
37°C (99°F)
0 mm (0 in)
Clear skies
37°C (99°F)
0 mm (0 in)
Hourly ›
Thursday
10 Sep
Clear skies
29°C (84°F)
0 mm (0 in)
Clear skies
27°C (81°F)
0 mm (0 in)
Clear skies
38°C (100°F)
0 mm (0 in)
Clear skies
38°C (100°F)
0 mm (0 in)
Hourly ›
Friday
11 Sep
Clear skies
30°C (86°F)
0 mm (0 in)
Clear skies
25°C (77°F)
0 mm (0 in)
Clear skies
34°C (93°F)
0 mm (0 in)
Clear skies
33°C (91°F)
0 mm (0 in)
Hourly ›
Saturday
12 Sep
Clear skies
25°C (77°F)
0 mm (0 in)
Clear skies
20°C (68°F)
0 mm (0 in)
Clear skies
28°C (82°F)
0 mm (0 in)
Clear skies
29°C (84°F)
0 mm (0 in)
Hourly ›
Sunday
13 Sep
Clear skies
21°C (70°F)
0 mm (0 in)
Partly cloudy
17°C (63°F)
0 mm (0 in)
Clear skies
24°C (75°F)
0 mm (0 in)
Partly cloudy
26°C (79°F)
0 mm (0 in)
Hourly ›
Monday
14 Sep
Clear skies
19°C (66°F)
0 mm (0 in)
Clear skies
17°C (63°F)
0 mm (0 in)
Clear skies
27°C (81°F)
0 mm (0 in)
Clear skies
29°C (84°F)
0 mm (0 in)
Hourly ›
Tuesday
15 Sep
Clear skies
21°C (70°F)
0 mm (0 in)
Clear skies
18°C (64°F)
0 mm (0 in)
Clear skies
29°C (84°F)
0 mm (0 in)
Hourly ›
Data from MET Norway · Updated every three hours.

What's the weather in Castaic this week?

Today's weather - Sunday 6 Sep

For Sunday the predicted weather in Castaic is rain during the morning and afternoon. The maximum temperature is a warm 23°C (73°F), while the minimum temperature is a pleasant 20°C (68°F).

Tomorrow's weather - Monday 7 Sep

The forecast for Castaic on Monday is clear skies. High temperatures will reach a very warm 31°C (88°F), with lows dropping to around 20°C (68°F).

10-Day Weather Forecast

During the next 10 days, temperatures will reach 38°C (100°F) on Thursday before declining again, with average highs of 31°C (88°F) and lows of 22°C (72°F). These values are typical for September. The next 10 days will feature plenty of sunshine. Rainfall is expected to be much more than usual (compared to typical September conditions). The forecast shows mostly dry conditions. Precipitation is likely on approximately 1 day (Sun). Expect generally calm wind conditions.

Weather Forecast FAQ for Castaic

When will be the warmest day next week?

The warmest day is expected to be Thursday with a high of 38°C (100°F).

When will be the coldest day?

The coldest day is forecasted for Sunday with a low of 17°C (63°F).

Will it rain next week in Castaic?

Yes, rain is expected on 1 day , specifically on Sun.

How much rainfall is expected next week?

A total of 7 mm (0.3 in) of rain is forecasted for the 10-day period.

What will be the temperature range next week?

Temperatures will range from 17°C (63°F) to 38°C (100°F).

More about Castaic

Explore the full Castaic climate overview with monthly averages, or check rainfall data and temperature by month.

Castaic weather by month

Browse monthly averages for Castaic: climate by month with temperature, rainfall and sunshine.

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