FULLERTON, CA 92837 Weather Forecast & Current Conditions

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FULLERTON, CA
Current Weather

9:53 AM PDT JUN 4, 2026
Overcast
66°F
Feels Like: 66°F
Dewpoint: 59°F
Rel. Hum.: 78%
Visibility: 10 miles
Wind: Variable at 3 mph
Pressure: 29.89 inches
Last 72 hours

Local Area Snow Depth

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FULLERTON, CA 92837
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Partly cloudy with patchy fog this morning...becoming mostly sunny. Highs around 77 towards the coast to 80 to 83 farther inland. Light winds becoming southwest 10 mph this afternoon.
TONIGHT
Partly cloudy in the evening...becoming mostly cloudy overnight with patchy fog. Lows 57 to 61. Areas of winds south to 10 mph in the evening becoming light.
FRIDAY
Partly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 75 to 78 towards the coast to 80 to 83 farther inland. Light winds becoming southwest 10 mph in the afternoon.
FRIDAY NIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 56 to 61. Areas of winds south 10 mph in the evening becoming light.
SATURDAY
Cloudy in the morning...becoming partly cloudy. Patchy fog in the morning. Highs around 75 towards the coast to 76 to 79 farther inland. Areas of winds south to 10 mph.
SATURDAY NIGHT
Partly cloudy. Patchy fog overnight. Lows 55 to 60.
SUNDAY
Partly cloudy with patchy fog in the morning...becoming mostly sunny. Highs around 74 towards the coast to 75 to 78 farther inland.
SUNDAY NIGHT
Clear in the evening...becoming partly cloudy. Lows 53 to 59.
MONDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 75 to 79.
MONDAY NIGHT
Mostly clear. Lows 54 to 60.
TUESDAY
Partly cloudy in the morning...becoming mostly sunny. Highs around 77 towards the coast to 80 farther inland.
TUESDAY NIGHT
Mostly clear. Lows 56 to 61.
WEDNESDAY
Partly cloudy in the morning...becoming mostly sunny. Highs around 77 towards the coast to 80 farther inland.

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/ 4/2026
Thursday
4 JUN 2026
FULLERTON, CA 92837 weather forecast Day 1, 12 hours 11 AM 75° 75° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   6 58% 59°
High 80° FULLERTON, CA 92837 weather forecast Day 1, 15 hours 2 PM 79° 80° Clear SW   8 52% 60°
Partly Cloudy



FULLERTON, CA 92837 weather forecast Day 1, 18 hours 5 PM 78° 79° Clear 0%

0% Thunder
( 0% severe)
SSW   8 54% 60°
FULLERTON, CA 92837 weather forecast Day 1, 21 hours 8 PM 70° 70° Partly Cloudy SSW   7 78% 63°
Friday
5 JUN 2026
FULLERTON, CA 92837 weather forecast Day 2, 0 hours 11 PM 66° 66° Partly Cloudy 0%

0% Thunder
( 0% severe)
S   1 87% 62°
Low 62° FULLERTON, CA 92837 weather forecast Day 2, 3 hours 2 AM 63° 64° Mostly Cloudy   CALM 87% 59°
High 80° FULLERTON, CA 92837 weather forecast Day 2, 6 hours 5 AM 63° 64° Mostly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 84% 58°

Decreasing Clouds



FULLERTON, CA 92837 weather forecast Day 2, 9 hours 8 AM 65° 65° Mostly Cloudy   CALM 75% 57°
FULLERTON, CA 92837 weather forecast Day 2, 12 hours 11 AM 75° 75° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSW   7 58% 59°
FULLERTON, CA 92837 weather forecast Day 2, 15 hours 2 PM 78° 79° Clear SSW   9 54% 60°
FULLERTON, CA 92837 weather forecast Day 2, 18 hours 5 PM 77° 79° Clear 0%

0% Thunder
( 0% severe)
SSW   8 52% 58°
FULLERTON, CA 92837 weather forecast Day 2, 21 hours 8 PM 69° 69° Partly Cloudy SSW   8 70% 59°
Saturday
6 JUN 2026
FULLERTON, CA 92837 weather forecast Day 3, 0 hours 11 PM 65° 65° Mostly Cloudy 0%

0% Thunder
( 0% severe)
S   6 84% 60°
Low 61° FULLERTON, CA 92837 weather forecast Day 3, 3 hours 2 AM 63° 64° Mostly Cloudy S   3 84% 58°
High 77° FULLERTON, CA 92837 weather forecast Day 3, 6 hours 5 AM 62° 63° Mostly Cloudy 0%

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

Mostly Cloudy



FULLERTON, CA 92837 weather forecast Day 3, 9 hours 8 AM 65° 65° Mostly Cloudy S   3 75% 57°
FULLERTON, CA 92837 weather forecast Day 3, 15 hours 11 AM 73° 73° Mostly Cloudy 0%

0% Thunder
( 0% severe)
SSW   7 59% 58°
FULLERTON, CA 92837 weather forecast Day 3, 18 hours 2 PM 75° 75° Mostly Cloudy SSW   8 55% 58°
FULLERTON, CA 92837 weather forecast Day 3, 21 hours 5 PM 75° 75° Mostly Cloudy     SSW   8 52% 56°

FULLERTON, CA extended weather forecast

Sunday
7 JUN 2026
Monday
8 JUN 2026
Tuesday
9 JUN 2026
Wednesday
10 JUN 2026
Thursday
11 JUN 2026
Low 62° Low 62° Low 62° Low 64° Low 63°
High 75° High 77° High 80° High 77° High 78°
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
Mostly Cloudy
4% Rain
Mostly Cloudy
2% Rain
Overcast
7% Rain
Mostly Cloudy
13% Rain
Partly Cloudy
9% Rain
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