FULLERTON, CA 92837 Weather Forecast & Current Conditions

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FULLERTON, CA
Current Weather

1:53 AM PST DEC 1, 2025
Overcast
59°F
Feels Like: 60°F
Dewpoint: 52°F
Rel. Hum.: 78%
Visibility: 7 miles
Wind: E at 3 mph
Pressure: 30.01 inches
Last 72 hours

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FULLERTON, CA 92837
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Partly cloudy this morning...becoming mostly sunny. Highs 70 to 73. Areas of winds north 10 to 20 mph with gusts to 35 mph becoming east with gusts to 30 mph this afternoon.
TONIGHT
Partly cloudy. Patchy fog overnight. Lows 45 to 50. Areas of winds south 10 to 20 mph with gusts to 30 mph in the evening becoming light.
TUESDAY
Partly cloudy with patchy fog in the morning... Becoming mostly sunny. Highs around 70. Light winds becoming southwest 10 mph in the afternoon.
TUESDAY NIGHT
Partly cloudy in the evening...becoming mostly cloudy overnight with patchy fog. Lows 46 to 50. Light winds.
WEDNESDAY
Mostly cloudy with patchy fog in the morning... Becoming partly cloudy. Highs around 67. Areas of winds east 10 to 15 mph with gusts to 30 mph becoming west 10 to 20 mph with gusts to 45 mph in the afternoon.
WEDNESDAY NIGHT
Mostly clear. Windy. Lows 45 to 48.
THURSDAY
Mostly sunny. Highs 69 to 73.
THURSDAY NIGHT
Mostly clear. Lows 44 to 48.
FRIDAY
Mostly sunny. Highs 69 to 73.
FRIDAY NIGHT
Mostly clear. Lows 46 to 50.
SATURDAY
Mostly sunny. Highs around 67.
SATURDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 46 to 50.
SUNDAY
Partly cloudy in the morning...becoming mostly sunny. Highs around 69.

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  7:00 PM EST 11/30/2025
Monday
1 DEC 2025
FULLERTON, CA 92837 weather forecast Day 1, 0 hours 10 PM 56° 56° Partly Cloudy 0%

0% Thunder
( 0% severe)
E   3 90% 53°
Low 50° FULLERTON, CA 92837 weather forecast Day 1, 3 hours 1 AM 53° 53° Partly Cloudy ENE   2 96% 52°
High 72° FULLERTON, CA 92837 weather forecast Day 1, 6 hours 4 AM 51° 51° Partly Cloudy 0%

0% Thunder
( 0% severe)
NE   2 96% 50°

Partly Cloudy



FULLERTON, CA 92837 weather forecast Day 1, 9 hours 7 AM 51° 50° Partly Cloudy NNE   3 93% 49°
FULLERTON, CA 92837 weather forecast Day 1, 12 hours 10 AM 62° 63° Partly Cloudy 0%

0% Thunder
( 0% severe)
NNE   3 56% 46°
FULLERTON, CA 92837 weather forecast Day 1, 15 hours 1 PM 71° 71° Partly Cloudy NE   3 34% 41°
FULLERTON, CA 92837 weather forecast Day 1, 18 hours 4 PM 69° 69° Partly Cloudy 0%

0% Thunder
( 0% severe)
W   3 39% 43°
FULLERTON, CA 92837 weather forecast Day 1, 21 hours 7 PM 60° 61° Partly Cloudy NE   3 53% 43°
Tuesday
2 DEC 2025
FULLERTON, CA 92837 weather forecast Day 2, 0 hours 10 PM 55° 54° Partly Cloudy 0%

0% Thunder
( 0% severe)
NNE   6 61% 42°
Low 48° FULLERTON, CA 92837 weather forecast Day 2, 3 hours 1 AM 52° 51° Partly Cloudy NE   5 61% 39°
High 69° FULLERTON, CA 92837 weather forecast Day 2, 6 hours 4 AM 50° 49° Partly Cloudy 0%

0% Thunder
( 0% severe)
ENE   3 68% 40°

Partly Cloudy



FULLERTON, CA 92837 weather forecast Day 2, 9 hours 7 AM 49° 48° Partly Cloudy ENE   3 68% 39°
FULLERTON, CA 92837 weather forecast Day 2, 12 hours 10 AM 61° 62° Partly Cloudy 0%

0% Thunder
( 0% severe)
E   1 50% 42°
FULLERTON, CA 92837 weather forecast Day 2, 15 hours 1 PM 67° 67° Partly Cloudy SW   3 45% 45°
FULLERTON, CA 92837 weather forecast Day 2, 18 hours 4 PM 64° 65° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   5 60% 50°
FULLERTON, CA 92837 weather forecast Day 2, 21 hours 7 PM 57° 58° Partly Cloudy SW   2 86% 53°

FULLERTON, CA extended weather forecast

Wednesday
3 DEC 2025
Thursday
4 DEC 2025
Friday
5 DEC 2025
Saturday
6 DEC 2025
Sunday
7 DEC 2025
Low 52° Low 48° Low 47° Low 49° Low 51°
High 68° High 72° High 72° High 68° High 68°
FULLERTON, CA 92837 weather forecast Day 3 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
Mostly Cloudy
21% Rain
Clear
4% Rain
Clear
2% Rain
Mostly Cloudy
16% Rain
Mostly Cloudy
21% Rain
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