10-day forecast for Castaic, CA: 48° to 79°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
79°
Best day: Tuesday, November 3
58° · 0.36 in
Worst day: Saturday, October 31
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 2972° / 52°0
Morning55°feels 53°
Afternoon72°feels 71°
Evening61°feels 60°
Overnight54°feels 53°
72 °
Castaic, Thursday, 29 October
Overcast. High 72°, low 52°.
Pressure29.91 inHg
Wind5.9 mph S
Humidity47%
Visibility6.2 mi
Dew point47°
Fri, 3062° / 52°0.09
Morning53°feels 53°
Afternoon61°feels 60°
Evening53°feels 53°
Overnight55°feels 55°
62 °
Castaic, Friday, 30 October
Light rain. High 62°, low 52°.
Pressure29.94 inHg
Wind9.4 mph S
Humidity56%
Visibility6.2 mi
Dew point48°
Sat, 3158° / 51°0.36
Morning54°feels 53°
Afternoon58°feels 57°
Evening55°feels 55°
Overnight52°feels 51°
58 °
Castaic, Saturday, 31 October
Rain. High 58°, low 51°.
Pressure30.00 inHg
Wind2.8 mph SW
Humidity73%
Visibility4.2 mi
Dew point50°
Sun, 0164° / 50°0.37
Morning53°feels 52°
Afternoon61°feels 59°
Evening59°feels 57°
Overnight54°feels 53°
64 °
Castaic, Sunday, 1 November
Rain. High 64°, low 50°.
Pressure29.88 inHg
Wind12.9 mph N
Humidity59%
Visibility—
Dew point46°
Mon, 0268° / 48°0
Morning52°feels 49°
Afternoon64°feels 62°
Evening63°feels 61°
Overnight53°feels 50°
68 °
Castaic, Monday, 2 November
Clear. High 68°, low 48°.
Pressure30.12 inHg
Wind9.7 mph NE
Humidity41%
Visibility—
Dew point37°
Tue, 0379° / 55°0
Morning62°feels 60°
Afternoon76°feels 74°
Evening74°feels 72°
Overnight61°feels 58°
79 °
Castaic, Tuesday, 3 November
Clear. High 79°, low 55°.
Pressure30.03 inHg
Wind12.3 mph NE
Humidity18%
Visibility—
Dew point27°
Wed, 0472° / 55°0
Morning63°feels 60°
Afternoon69°feels 67°
Evening64°feels 63°
Overnight56°feels 55°
72 °
Castaic, Wednesday, 4 November
Clear. High 72°, low 55°.
Pressure29.91 inHg
Wind10.9 mph SW
Humidity26%
Visibility—
Dew point32°
Thu, 0569° / 54°0
Morning57°feels 56°
Afternoon66°feels 65°
Evening65°feels 64°
Overnight55°feels 54°
69 °
Castaic, Thursday, 5 November
Overcast. High 69°, low 54°.
Pressure29.94 inHg
Wind8.9 mph SW
Humidity54%
Visibility—
Dew point47°
Fri, 0669° / 54°0
Morning56°feels 56°
Afternoon64°feels 63°
Evening64°feels 63°
Overnight55°feels 54°
69 °
Castaic, Friday, 6 November
Overcast. High 69°, low 54°.
Pressure30.00 inHg
Wind11.1 mph SW
Humidity67%
Visibility—
Dew point51°
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.