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Castaic
Castaic Lake
Castaic Lake
Lake Piru
Lake Piru
Castaic Creek
Castaic Creek
Dry Canyon Reservoir
Dry Canyon Reservoir
California, United States

Castaic

Castaic is a small town in California, United States, 1,227 ft above sea level. It has a population of about 18,937 (2020). The climate is classified as hot-summer Mediterranean (Köppen Csa), with dry, sunny summers and mild, wetter winters.

Now56°F
Best timeJan · Apr · Nov
Population18,937
Local time08:08
34.49° N, 118.62° WElevation 1,227 ftUTC−7 · Pacific Daylight Time
Postal codes91310, 91384
The year in Castaicweather score
JanFebMarAprMayJunJulAugSepOctNovDec83October
October: high / low82° / 55°
Rain this month20mm
Best timeJan · Apr · Nov

Best: Jan · Apr · Nov. Warmth, sunshine and dry days, month by month.

Castaic at a glance

Best time to visitJan · Apr · Nov

The months with the highest weather score

Warmest month95°F

Average high in August

Coolest month43°F

Average low in December

Wettest monthFebruary

99 mm of rain

Driest monthJuly

1 mm of rain

Monuments nearby2+

within 13 km

Weather in Castaic

Now and the next ten days. The 14 and 30-day outlooks are one click away.

14-day forecast
56°F

Rain · wind 6 km/h · humidity 97%

Today hour by hour
Today22 Oct62°54°8.2 mm
Fri23 Oct67°51°5.3 mm
Sat24 Oct75°53°
Sun25 Oct79°53°
Mon26 Oct79°56°
Tue27 Oct77°60°
Wed28 Oct79°54°
Thu29 Oct78°59°
Fri30 Oct75°57°

When to go to Castaic

Each month's weather score (warmth, sun, dry days) with its temperatures and rain.

Climate month by month
JanFebMarAprMayJunJulAugSepOctNovDec
Score888388938775595765839286
High65°66°71°76°81°88°94°95°91°82°73°64°
Low44°44°47°49°55°59°65°65°62°55°48°43°
Rain (mm)8199602882126204061
Wet days565320101236

What's on in Castaic

Concerts, football matches, the public holidays ahead and the town's festivals through the year.

Monuments and museums in Castaic

All monuments

Outdoors around Castaic

Hiking routes from the town, and what there is to do within 15 km: huts, viewpoints, climbing, camping, ski areas and dive sites.

Things to do
Valencia Travel Village RV ResortCamp sites
1.9 km
Vista Valencia Golf CourseGolf courses
2 km
Six Flags Magic MountainTheme parks · 1,093 ft
2 km
Hurricane Harbor Los AngelesTheme parks
2 km
Staging AreaZoos
2.1 km
Warmup AreaZoos
2.2 km

Nature around Castaic

Nature in United States

Wildlife in October

The birds and mammals of United States seen most this month, compared with the rest of their year.

The sky over Castaic

Eclipses and meteor showers

Earthquakes around Castaic

The last 30 days within 300 km, and the record since 1950.

Earthquakes

Strongest nearby since 1950

7.5Grapevine 7 km ←1952 · 62 km
6.7Hidden Hills 12 km ↗1994 · 32 km
6.6Agua Dulce 10 km ↙1971 · 25 km
5.9South San Gabriel 2 km ↗1987 · 69 km

Towns and villages around Castaic

Each with its own page: weather, climate and the best time to visit.

Castaic from above

Postal codes

9131091384

Getting to Castaic

Hollywood Burbank/Bob Hope AirportBUR
40 km
Los Angeles International AirportLAX
64 km
Jack Northrop Field Hawthorne Municipal AirportHHR
68 km
Santa ClaritaRailway station
12 km
NewhallRailway station
15 km
Via PrincessaRailway station
17 km

Places near Castaic

Places with a climate like Castaic

Matched month by month on temperature, rain and sunshine.

Frequently asked questions

When is the best time to visit Castaic?
Based on 30-year climate normals, January, April and November offer the best balance of comfortable temperatures, low rainfall and sunshine in Castaic.
What is the hottest month in Castaic?
August is the warmest month, with average highs of 95°F and lows of 65°F.
What is the coldest month in Castaic?
December is the coldest month, with average highs of 64°F and lows of 43°F.
What is the rainiest month in Castaic?
February is the wettest month with about 3.9 in of precipitation on 6 wet days.
What is the postal code of Castaic?
Castaic has 2 postal codes: 91310, 91384.