FULLERTON, CA 92837 Weather Forecast & Current Conditions

Enter ZIP code or City, State   
    


FULLERTON, CA
Current Weather

11:53 AM PDT JUN 18, 2026
Overcast
70°F
Feels Like: 70°F
Dewpoint: 57°F
Rel. Hum.: 63%
Visibility: 10 miles
Wind: Variable at 6 mph
Pressure: 29.97 inches
Last 72 hours

Local Area Snow Depth

California Current Weather

California MOS Forecast Weather


Regional Weather Maps


(Automated weather data from NWS/FAA)
10-Day model forecast maps
2025 Hurricanes

FULLERTON, CA 92837
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Partly cloudy this evening...becoming mostly cloudy. Patchy fog overnight. Lows 54 to 61. Areas of winds southwest 10 mph this evening becoming light.
JUNETEENTH
Cloudy in the morning...becoming sunny. Highs 73 to 76. Light winds becoming southwest 10 mph in the afternoon.
FRIDAY NIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 53 to 60. Areas of winds west 10 mph in the evening becoming light.
SATURDAY
Cloudy with patchy fog in the morning...becoming mostly sunny. Highs 73 to 76. Areas of winds west to 10 mph.
SATURDAY NIGHT
Clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 52 to 59. Areas of winds west 10 mph in the evening becoming light.
SUNDAY
Mostly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 73 to 76.
SUNDAY NIGHT
Clear in the evening...becoming partly cloudy. Lows 53 to 60.
MONDAY
Partly cloudy in the morning...becoming mostly sunny. Highs around 76 towards the coast to 80 farther inland.
MONDAY NIGHT
Clear in the evening...becoming partly cloudy. Lows 54 to 61.
TUESDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 77 to 81 towards the coast to 82 to 85 farther inland.
TUESDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 57 to 63.
WEDNESDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 79 to 84 towards the coast to 84 to 88 farther inland.
WEDNESDAY NIGHT
Mostly clear. Lows 58 to 65.

Visible Weather Satellite
FULLERTON, CA 92837
Infrared Weather Satellite
FULLERTON, CA 92837
NEXRAD Weather Radar
FULLERTON, CA 92837

FULLERTON, CA 3 hourly weather forecast

weather forecast created  8:00 AM EDT  6/18/2026
Thursday
18 JUN 2026
FULLERTON, CA 92837 weather forecast Day 1, 12 hours 11 AM 68° 68° Mostly Cloudy 0%

0% Thunder
( 0% severe)
SW   5 70% 58°
High 74° FULLERTON, CA 92837 weather forecast Day 1, 15 hours 2 PM 73° 73° Clear SW   8 62% 59°
Partly Cloudy



FULLERTON, CA 92837 weather forecast Day 1, 18 hours 5 PM 73° 73° Clear 0%

0% Thunder
( 0% severe)
SW   8 59% 58°
FULLERTON, CA 92837 weather forecast Day 1, 21 hours 8 PM 67° 67° Partly Cloudy WSW   8 70% 57°
Friday
19 JUN 2026
FULLERTON, CA 92837 weather forecast Day 2, 0 hours 11 PM 64° 65° Mostly Cloudy 0%

0% Thunder
( 0% severe)
W   3 78% 57°
Low 61° FULLERTON, CA 92837 weather forecast Day 2, 3 hours 2 AM 62° 63° Mostly Cloudy   CALM 84% 57°
High 75° FULLERTON, CA 92837 weather forecast Day 2, 6 hours 5 AM 62° 63° Mostly Cloudy 1%

0% Thunder
( 0% severe)
  CALM 84% 57°

Decreasing Clouds



FULLERTON, CA 92837 weather forecast Day 2, 9 hours 8 AM 64° 66° Mostly Cloudy   CALM 78% 57°
FULLERTON, CA 92837 weather forecast Day 2, 12 hours 11 AM 68° 68° Mostly Cloudy 0%

0% Thunder
( 0% severe)
SW   6 68% 57°
FULLERTON, CA 92837 weather forecast Day 2, 15 hours 2 PM 73° 73° Clear SW   9 57% 57°
FULLERTON, CA 92837 weather forecast Day 2, 18 hours 5 PM 73° 73° Clear 0%

0% Thunder
( 0% severe)
WSW   9 55% 56°
FULLERTON, CA 92837 weather forecast Day 2, 21 hours 8 PM 67° 67° Clear WSW   8 65% 55°
Saturday
20 JUN 2026
FULLERTON, CA 92837 weather forecast Day 3, 0 hours 11 PM 63° 64° Partly Cloudy 0%

0% Thunder
( 0% severe)
WSW   5 78% 56°
Low 60° FULLERTON, CA 92837 weather forecast Day 3, 3 hours 2 AM 61° 62° Partly Cloudy   CALM 84% 56°
High 75° FULLERTON, CA 92837 weather forecast Day 3, 6 hours 5 AM 60° 61° Mostly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 87% 56°

Decreasing Clouds



FULLERTON, CA 92837 weather forecast Day 3, 9 hours 8 AM 63° 64° Mostly Cloudy   CALM 78% 56°
FULLERTON, CA 92837 weather forecast Day 3, 15 hours 11 AM 68° 68° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   6 63% 55°
FULLERTON, CA 92837 weather forecast Day 3, 18 hours 2 PM 73° 73° Clear WSW   9 55% 56°
FULLERTON, CA 92837 weather forecast Day 3, 21 hours 5 PM 73° 73° Clear     WSW   9 53% 55°

FULLERTON, CA extended weather forecast

Sunday
21 JUN 2026
Monday
22 JUN 2026
Tuesday
23 JUN 2026
Wednesday
24 JUN 2026
Thursday
25 JUN 2026
Low 61° Low 63° Low 64° Low 65° Low 66°
High 77° High 80° High 84° High 88° High 87°
FULLERTON, CA 92837 weather forecast Day 4 FULLERTON, CA 92837 weather forecast Day 5 FULLERTON, CA 92837 weather forecast Day 6 FULLERTON, CA 92837 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
4% Rain
Partly Cloudy
2% Rain
Partly Cloudy
1% Rain
Partly Cloudy
2% Rain
Partly Cloudy
2% Rain
WEATHER SELECT BOX EXAMPLES:
for LOCAL WEATHER:
SNOW DEPTH:
LOCAL WEATHER RADAR:
STATE WEATHER MAP:
Fullerton, CA
Fullerton, CA snow
Fullerton, CA radar
CA map
-or-
-or-
-or-
 
92837
92837 snow
92837 radar
 
-or-
-or-
 
 
CA
CA snow
 
 
Copyright © 2024 WeatherStreet.com
Put our free WeatherStreet weather lookup on your web page.
Terms & Conditions