Keystone, CA

Unincorporated community in Los Angeles County, California

Keystone is a small unincorporated community in Los Angeles County, California. It is 0.8 miles W of West Carson, the nearest town. Its ZIP code is 90502.

Keystone at a glance

State
California
County
Los Angeles County
ZIP code
90502, 90745
Nearest town
West Carson (0.8 mi)
Time zone
America/Los Angeles
Coordinates
33.8253, -118.2794

Weather in Keystone now

Loading the National Weather Service forecast…

Keystone weather by the hour

Keystone weather for the next 7 days

Source: National Weather Service (NOAA) · forecast for the coordinates of Keystone.

This week in Keystone

Sunrise, sunset and moon in Keystone

What is the weather usually like in Keystone?

Csb
Warm-summer Mediterranean climate
Köppen climate classification, calculated from the 1991–2020 normals

Average high and low temperature (°F)

41°52°62°73°83°67°47°Jan66°48°Feb68°50°Mar70°52°Apr72°55°May74°58°Jun77°62°Jul78°62°Aug78°61°Sep76°57°Oct71°51°Nov66°46°Dec

Average precipitation (inches)

3.4"Jan3.7"Feb2.0"Mar0.6"Apr0.3"May0.1"Jun0.1"Jul0.0"Aug0.1"Sep0.5"Oct0.8"Nov2.2"Dec

Best time to visit Keystone: July to October, with mild temperatures and fewer rainy days.

Source: NOAA NCEI U.S. Climate Normals 1991–2020, station TORRANCE AP, CA US (USW00003122), adjusted for the elevation of Keystone.

Keystone weather month by month

January
67° 47°F
3.4 in of rain · 5 wet days
February
66° 48°F
3.7 in of rain · 5 wet days
March
68° 50°F
2.0 in of rain · 3 wet days
April
70° 52°F
0.6 in of rain · 1 wet days
May
72° 55°F
0.3 in of rain · 1 wet days
June
74° 58°F
0.1 in of rain · under 1 wet day
July
77° 62°F
0.1 in of rain · under 1 wet day
August
78° 62°F
0.0 in of rain · under 1 wet day
September
78° 61°F
0.1 in of rain · under 1 wet day
October
76° 57°F
0.5 in of rain · 1 wet days
November
71° 51°F
0.8 in of rain · 2 wet days
December
66° 46°F
2.2 in of rain · 4 wet days

Sunrise and sunset in Keystone through the year

MonthSunriseSunsetDaylight
January6:56 AM5:08 PM10 h 12 min
February6:35 AM5:38 PM11 h 2 min
March7:01 AM7:02 PM12 h 0 min
April6:20 AM7:25 PM13 h 5 min
May5:50 AM7:48 PM13 h 58 min
June5:40 AM8:06 PM14 h 26 min
July5:52 AM8:06 PM14 h 13 min
August6:14 AM7:41 PM13 h 27 min
September6:35 AM7:00 PM12 h 25 min
October6:57 AM6:20 PM11 h 23 min
November6:24 AM4:51 PM10 h 26 min
December6:49 AM4:47 PM9 h 57 min

Times for the 15th of each month, local time (America/Los Angeles).

What is the weather like in Keystone?

Keystone has a warm-summer mediterranean climate. The warmest month is August, with an average high of 78°F (26°C), and the coldest is December, with average lows of 46°F (8°C).

It gets about 13.6 inches (346 mm) of precipitation a year. The wettest month is February and the driest is August.

The best time to visit Keystone is July to October. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.

Webcams near Keystone

The closest live webcam is Carson: Keystone: I-110 : (798) Carson St Off-Ramp, 0.4 miles NW of Keystone.

Carson: Keystone: I-110 : (798) Carson St Off-RampCarson · 0.4 mi NWOn Windy
I-110 · Carson St Off-RampI-110 · Torrance · 0.4 mi NW
West Carson › South: I-110 : (797) 223rd St On-Rampunknown · 0.5 mi WOn Windy
I-110 · 223rd St On-RampI-110 South · Torrance · 0.5 mi W
Carson › North: I-110 : (160) N/O Sepulveda BlvdCarson · 0.6 mi SWOn Windy
I-110 · N/O Sepulveda BlvdI-110 North · West Carson · 0.6 mi SW
West Carson › North: I-110 : (161) S/O Carson Stunknown · 0.6 mi NWOn Windy
I-110 · S/O Carson StI-110 North · UCLA Medical Center · 0.6 mi NW
West Carson: I-110 : (799) Carson St On-Rampunknown · 0.6 mi NWOn Windy

Webcams: Windy.com · Traffic cameras: Caltrans. Distances in a straight line from Keystone.

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Map of Keystone, CA

Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.

Keystone Street View

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Towns near Keystone

Other communities near Keystone

Questions about Keystone

Where is Keystone, CA?

Keystone is an unincorporated community in Los Angeles County, California, 0.8 miles W of West Carson.

What county is Keystone in?

Keystone is in Los Angeles County, California.

What is the ZIP code of Keystone, CA?

The ZIP code for Keystone is 90502.

What is the nearest town to Keystone?

West Carson, 0.8 miles away.

Are there webcams near Keystone?

Yes. The closest is Carson: Keystone: I-110 : (798) Carson St Off-Ramp, 0.4 miles away.

What is the hottest month in Keystone?

August, with an average high of 78°F (26°C).

What is the coldest month in Keystone?

December, with an average low of 46°F (8°C).

How much does it rain in Keystone?

About 13.6 inches (346 mm) a year; the wettest month is February.

Does it snow in Keystone?

Snow is very rare or not recorded at the nearest weather station.

When is the best time to visit Keystone?

July to October, when temperatures are most pleasant and rainy days are fewer.

What climate does Keystone have?

Warm-summer mediterranean (Köppen Csb).

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