10-day forecast for Castaic, CA: 45° to 77°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
77°
Best day: Sunday, November 8
61° · 0.2 in
Worst day: Sunday, November 1
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 3163° / 56°0.12
Morning58°feels 58°
Afternoon63°feels 62°
Evening59°feels 59°
Overnight56°feels 56°
63 °
Castaic, Saturday, 31 October
Light rain. High 63°, low 56°.
Pressure29.97 inHg
Wind2.3 mph SE
Humidity73%
Visibility6.2 mi
Dew point51°
Sun, 0161° / 47°0.2
Morning52°feels 52°
Afternoon59°feels 57°
Evening51°feels 49°
Overnight53°feels 52°
61 °
Castaic, Sunday, 1 November
Light rain. High 61°, low 47°.
Pressure29.91 inHg
Wind1.2 mph E
Humidity65%
Visibility6.2 mi
Dew point50°
Mon, 0269° / 45°0
Morning47°feels 44°
Afternoon69°feels 67°
Evening54°feels 52°
Overnight46°feels 43°
69 °
Castaic, Monday, 2 November
Partly cloudy. High 69°, low 45°.
Pressure30.12 inHg
Wind8.2 mph NE
Humidity35%
Visibility6.2 mi
Dew point39°
Tue, 0373° / 50°0
Morning53°feels 50°
Afternoon69°feels 67°
Evening67°feels 66°
Overnight51°feels 48°
73 °
Castaic, Tuesday, 3 November
Clear. High 73°, low 50°.
Pressure30.09 inHg
Wind9.1 mph NE
Humidity30%
Visibility6.2 mi
Dew point39°
Wed, 0466° / 48°0
Morning52°feels 50°
Afternoon62°feels 61°
Evening59°feels 58°
Overnight51°feels 49°
66 °
Castaic, Wednesday, 4 November
Clear. High 66°, low 48°.
Pressure29.97 inHg
Wind9.8 mph S
Humidity43%
Visibility—
Dew point38°
Thu, 0564° / 52°0.02
Morning55°feels 54°
Afternoon62°feels 61°
Evening63°feels 62°
Overnight55°feels 53°
64 °
Castaic, Thursday, 5 November
Light rain. High 64°, low 52°.
Pressure29.83 inHg
Wind7.6 mph SW
Humidity65%
Visibility—
Dew point49°
Fri, 0672° / 52°0
Morning56°feels 54°
Afternoon66°feels 64°
Evening64°feels 62°
Overnight54°feels 52°
72 °
Castaic, Friday, 6 November
Clear. High 72°, low 52°.
Pressure29.85 inHg
Wind9.9 mph N
Humidity37%
Visibility—
Dew point37°
Sat, 0777° / 53°0
Morning59°feels 57°
Afternoon72°feels 71°
Evening71°feels 69°
Overnight59°feels 56°
77 °
Castaic, Saturday, 7 November
Clear. High 77°, low 53°.
Pressure29.91 inHg
Wind13.5 mph NE
Humidity27%
Visibility—
Dew point34°
Sun, 0877° / 59°0
Morning64°feels 61°
Afternoon74°feels 72°
Evening71°feels 69°
Overnight60°feels 57°
77 °
Castaic, Sunday, 8 November
Overcast. High 77°, low 59°.
Pressure30.00 inHg
Wind9.6 mph NE
Humidity15%
Visibility—
Dew point22°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Castaic, CA around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.