Weather · Castaic

Castaic forecast & conditions

Current conditions, the 7-day outlook and hour-by-hour details for Castaic, straight from the National Weather Service. Watches and warnings show up first.

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Right now☀️
Current conditions · Castaic, CA
87°
Sunny
Feels like 86°
💨 Wind
13 mph W
💧 Humidity
39%
🌫️ Dew pt
59°
NWSObserved at DEL VALLE
🗓️

7-Day forecast

Today
☀️
88°
58°
0%
Sunny
Thu
☀️
92°
61°
0%
Sunny
Fri
☀️
95°
63°
0%
Sunny
Sat
☀️
96°
68°
0%
Sunny
Sun
☀️
94°
68°
1%
Sunny
Mon
☀️
94°
68°
0%
Sunny
Tue
☀️
94°
68°
0%
Sunny
Climate · a normal year

What a year in Castaic feels like

Castaic has warm winters and hot summers, with very little rain. A typical July afternoon reaches 93°, a January night drops to 41°, and snow is almost unheard of.

+3°

3° warmer than normal today. The forecast high is 88°, and a typical Sep 30 in Castaic peaks around 85°.Live forecast: National Weather Service · Normal: NOAA 1991–2020

64° / 41°Winter
74° / 47°Spring
92° / 60°Summer
80° / 52°Fall
See Castaic’s full climate →

NOAA U.S. Climate Normals, 1991–2020. A normal is a 30-year average, not a forecast.

Data from the U.S. National Weather Service (weather.gov) — free public data, not modified by TownTapestry. Not a substitute for official warnings; always follow weather.gov and local authorities.

We left the porch light on

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Castaic is your selected town. The feed includes posts assigned to this town, not a distance radius or ZIP code.

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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/19 · 2025-01-01