10-day forecast for Castaic, CA: 45° to 76°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
76°
Best day: Saturday, November 7
65° · 0.35 in
Worst day: Saturday, October 31
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 3165° / 52°0.35
Morning59°feels 58°
Afternoon65°feels 64°
Evening53°feels 52°
Overnight57°feels 56°
65 °
Castaic, Saturday, 31 October
Rain. High 65°, low 52°.
Pressure29.97 inHg
Wind6 mph SE
Humidity65%
Visibility6.2 mi
Dew point51°
Sun, 0162° / 47°0.11
Morning51°feels 50°
Afternoon62°feels 60°
Evening52°feels 50°
Overnight52°feels 52°
62 °
Castaic, Sunday, 1 November
Light rain. High 62°, low 47°.
Pressure29.91 inHg
Wind6.4 mph S
Humidity66%
Visibility6.2 mi
Dew point50°
Mon, 0269° / 45°0
Morning48°feels 44°
Afternoon69°feels 67°
Evening53°feels 50°
Overnight46°feels 43°
69 °
Castaic, Monday, 2 November
Clear. High 69°, low 45°.
Pressure30.15 inHg
Wind8.3 mph NE
Humidity36%
Visibility6.2 mi
Dew point39°
Tue, 0373° / 50°0
Morning55°feels 52°
Afternoon68°feels 66°
Evening67°feels 65°
Overnight51°feels 48°
73 °
Castaic, Tuesday, 3 November
Clear. High 73°, low 50°.
Pressure30.12 inHg
Wind9.5 mph N
Humidity31%
Visibility—
Dew point34°
Wed, 0463° / 45°0
Morning50°feels 49°
Afternoon61°feels 60°
Evening60°feels 58°
Overnight52°feels 50°
63 °
Castaic, Wednesday, 4 November
Clear. High 63°, low 45°.
Pressure29.97 inHg
Wind8.3 mph SW
Humidity62%
Visibility—
Dew point46°
Thu, 0567° / 52°0
Morning55°feels 53°
Afternoon62°feels 60°
Evening61°feels 60°
Overnight55°feels 53°
67 °
Castaic, Thursday, 5 November
Light rain. High 67°, low 52°.
Pressure29.83 inHg
Wind8 mph NE
Humidity44%
Visibility—
Dew point39°
Fri, 0672° / 51°0
Morning56°feels 54°
Afternoon67°feels 65°
Evening69°feels 67°
Overnight56°feels 54°
72 °
Castaic, Friday, 6 November
Mostly clear. High 72°, low 51°.
Pressure29.88 inHg
Wind13.7 mph NE
Humidity38%
Visibility—
Dew point38°
Sat, 0776° / 56°0
Morning61°feels 59°
Afternoon73°feels 71°
Evening71°feels 69°
Overnight60°feels 58°
76 °
Castaic, Saturday, 7 November
Clear. High 76°, low 56°.
Pressure29.97 inHg
Wind20.6 mph NE
Humidity20%
Visibility—
Dew point28°
Sun, 0874° / 59°0
Morning63°feels 60°
Afternoon71°feels 69°
Evening67°feels 66°
Overnight60°feels 59°
74 °
Castaic, Sunday, 8 November
Clear. High 74°, low 59°.
Pressure30.03 inHg
Wind10.4 mph SW
Humidity23%
Visibility—
Dew point31°
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.