FULLERTON, CA 92837 Weather Forecast & Current Conditions

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FULLERTON, CA
Current Weather

8:53 AM PDT APR 14, 2026
Broken Clouds
61°F
Feels Like: 61°F
Dewpoint: 48°F
Rel. Hum.: 62%
Visibility: 10 miles
Wind: ENE at 5 mph
Pressure: 30.11 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 sunny. Highs 70 to 73. Light winds becoming southwest 10 mph this afternoon.
TONIGHT
Mostly clear. Lows 49 to 54. Areas of winds west to 10 mph in the evening becoming light.
WEDNESDAY
Patchy fog in the morning. Partly cloudy. Highs 71 to 75. Areas of winds south 10 mph.
WEDNESDAY NIGHT
Partly cloudy. Patchy fog overnight. Lows 51 to 55. Areas of winds southwest to 10 mph in the evening becoming light.
THURSDAY
Mostly cloudy in the morning...becoming partly cloudy. Highs 70 to 73. Areas of winds south 10 to 15 mph. Gusts to 25 mph in the afternoon.
THURSDAY NIGHT
Mostly clear. Lows 49 to 53.
FRIDAY
Mostly sunny. Highs 77 to 81.
FRIDAY NIGHT
Clear. Lows 51 to 54.
SATURDAY
Mostly sunny in the morning...becoming partly cloudy. Highs 79 to 82.
SATURDAY NIGHT
Partly cloudy. Lows 52 to 55.
SUNDAY
Partly cloudy. Highs around 77 towards the coast to 80 farther inland.
SUNDAY NIGHT
Mostly clear. Lows 51 to 55.
MONDAY
Partly cloudy. Highs 72 to 75.

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 PM EDT  4/13/2026
Tuesday
14 APR 2026
FULLERTON, CA 92837 weather forecast Day 1, 0 hours 11 PM 58° 58° Clear 0%

0% Thunder
( 0% severe)
SSW   5 72% 49°
Low 52° FULLERTON, CA 92837 weather forecast Day 1, 3 hours 2 AM 55° 55° Clear E   2 83% 50°
High 73° FULLERTON, CA 92837 weather forecast Day 1, 6 hours 5 AM 53° 53° Partly Cloudy 0%

0% Thunder
( 0% severe)
E   1 86% 49°

Partly Cloudy



FULLERTON, CA 92837 weather forecast Day 1, 9 hours 8 AM 56° 56° Partly Cloudy E   1 77% 49°
FULLERTON, CA 92837 weather forecast Day 1, 12 hours 11 AM 67° 67° Clear 0%

0% Thunder
( 0% severe)
SSW   2 50% 48°
FULLERTON, CA 92837 weather forecast Day 1, 15 hours 2 PM 71° 71° Clear SW   8 42% 47°
FULLERTON, CA 92837 weather forecast Day 1, 18 hours 5 PM 71° 71° Clear 0%

0% Thunder
( 0% severe)
SW   9 42% 47°
FULLERTON, CA 92837 weather forecast Day 1, 21 hours 8 PM 64° 64° Clear W   6 54% 47°
Wednesday
15 APR 2026
FULLERTON, CA 92837 weather forecast Day 2, 0 hours 11 PM 60° 61° Clear 0%

0% Thunder
( 0% severe)
S   1 72% 51°
Low 53° FULLERTON, CA 92837 weather forecast Day 2, 3 hours 2 AM 56° 56° Clear   CALM 86% 52°
High 74° FULLERTON, CA 92837 weather forecast Day 2, 6 hours 5 AM 55° 55° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 90% 52°

Partly Cloudy



FULLERTON, CA 92837 weather forecast Day 2, 9 hours 8 AM 58° 59° Partly Cloudy ESE   1 80% 52°
FULLERTON, CA 92837 weather forecast Day 2, 12 hours 11 AM 68° 68° Partly Cloudy 0%

0% Thunder
( 0% severe)
S   3 57% 52°
FULLERTON, CA 92837 weather forecast Day 2, 15 hours 2 PM 73° 73° Partly Cloudy SSW   8 44% 50°
FULLERTON, CA 92837 weather forecast Day 2, 18 hours 5 PM 71° 71° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   8 47% 50°
FULLERTON, CA 92837 weather forecast Day 2, 21 hours 8 PM 64° 65° Partly Cloudy SW   5 60% 50°

FULLERTON, CA extended weather forecast

Thursday
16 APR 2026
Friday
17 APR 2026
Saturday
18 APR 2026
Sunday
19 APR 2026
Monday
20 APR 2026
Low 59° Low 56° Low 53° Low 55° Low 57°
High 71° High 79° High 81° High 76° High 71°
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
Overcast
3% Rain
Mostly Cloudy
7% Rain
Clear
2% Rain
Partly Cloudy
2% Rain
Mostly Cloudy
7% Rain
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