FULLERTON, CA 92837 Weather Forecast & Current Conditions

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FULLERTON, CA
Current Weather

7:53 PM PDT SEP 3, 2026
Clear
72°F
Feels Like: 72°F
Dewpoint: 59°F
Rel. Hum.: 64%
Visibility: 10 miles
Wind: SSW at 7 mph
Pressure: 29.86 inches
Last 72 hours

Local Area Snow Depth

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FULLERTON, CA 92837
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly clear this evening...becoming partly cloudy. Lows 56 to 65. Areas of winds southwest 10 mph this evening becoming light.
FRIDAY
Partly cloudy in the morning...becoming sunny. Highs around 80 towards the coast to 81 to 84 farther inland. Light winds becoming southwest 10 mph in the afternoon.
FRIDAY NIGHT
Mostly clear. Lows 58 to 65. Areas of winds southwest to 10 mph in the evening becoming light.
SATURDAY
Mostly sunny in the morning...becoming partly cloudy. Highs 83 to 87. Light winds becoming southwest 10 mph in the afternoon.
SATURDAY NIGHT
Partly cloudy with a slight chance of showers. Lows 63 to 69. Areas of winds west 10 mph in the evening becoming light. Chance of measurable precipitation 20 percent.
SUNDAY
Partly cloudy with a chance of showers. Highs 84 to 87.
SUNDAY NIGHT
Partly cloudy. A slight chance of showers in the evening. Lows 63 to 69.
LABOR DAY
Partly cloudy in the morning...becoming mostly sunny. Highs 83 to 86 towards the coast to 88 farther inland.
MONDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. A slight chance of showers. Lows 63 to 69.
TUESDAY
Partly cloudy. Highs around 86 towards the coast to 90 farther inland.
TUESDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 64 to 70.
WEDNESDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 86 to 89 towards the coast to 91 farther inland.
WEDNESDAY NIGHT
Mostly clear. Lows 65 to 70.

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  9/ 3/2026
Thursday
3 SEP 2026
FULLERTON, CA 92837 weather forecast Day 1, 12 hours 11 AM 77° 79° Clear 1%

0% Thunder
( 0% severe)
S   6 60% 62°
High 81° FULLERTON, CA 92837 weather forecast Day 1, 15 hours 2 PM 80° 81° Clear SSW   9 54% 62°
Clear



FULLERTON, CA 92837 weather forecast Day 1, 18 hours 5 PM 79° 80° Clear 0%

0% Thunder
( 0% severe)
SW   8 50% 59°
FULLERTON, CA 92837 weather forecast Day 1, 21 hours 8 PM 72° 72° Clear WSW   3 66% 60°
Friday
4 SEP 2026
FULLERTON, CA 92837 weather forecast Day 2, 0 hours 11 PM 68° 68° Clear 1%

0% Thunder
( 0% severe)
SSW   6 78% 61°
Low 65° FULLERTON, CA 92837 weather forecast Day 2, 3 hours 2 AM 67° 67° Partly Cloudy SE   5 84% 62°
High 83° FULLERTON, CA 92837 weather forecast Day 2, 6 hours 5 AM 66° 66° Partly Cloudy 1%

0% Thunder
( 0% severe)
ESE   5 90% 63°

Partly Cloudy



FULLERTON, CA 92837 weather forecast Day 2, 9 hours 8 AM 68° 68° Partly Cloudy ESE   5 84% 63°
FULLERTON, CA 92837 weather forecast Day 2, 12 hours 11 AM 76° 78° Clear 0%

0% Thunder
( 0% severe)
SSW   3 62% 62°
FULLERTON, CA 92837 weather forecast Day 2, 15 hours 2 PM 81° 82° Clear SW   7 53% 62°
FULLERTON, CA 92837 weather forecast Day 2, 18 hours 5 PM 81° 81° Clear 0%

0% Thunder
( 0% severe)
SW   7 47% 59°
FULLERTON, CA 92837 weather forecast Day 2, 21 hours 8 PM 73° 73° Clear WSW   3 64% 60°
Saturday
5 SEP 2026
FULLERTON, CA 92837 weather forecast Day 3, 0 hours 11 PM 70° 70° Clear 0%

0% Thunder
( 0% severe)
SW   6 73% 61°
Low 66° FULLERTON, CA 92837 weather forecast Day 3, 3 hours 2 AM 68° 68° Clear SE   5 81% 62°
High 87° FULLERTON, CA 92837 weather forecast Day 3, 6 hours 5 AM 66° 66° Clear 1%

0% Thunder
( 0% severe)
  CALM 87% 62°

Partly Cloudy



FULLERTON, CA 92837 weather forecast Day 3, 9 hours 8 AM 69° 69° Partly Cloudy   CALM 76% 61°
FULLERTON, CA 92837 weather forecast Day 3, 15 hours 11 AM 79° 80° Partly Cloudy 5%

0% Thunder
( 1% severe)
  CALM 50% 59°
FULLERTON, CA 92837 weather forecast Day 3, 18 hours 2 PM 84° 83° Partly Cloudy SW   6 41% 58°
FULLERTON, CA 92837 weather forecast Day 3, 21 hours 5 PM 84° 83° Mostly Cloudy     SW   7 40% 57°

FULLERTON, CA extended weather forecast

Sunday
6 SEP 2026
Monday
7 SEP 2026
Tuesday
8 SEP 2026
Wednesday
9 SEP 2026
Thursday
10 SEP 2026
Low 65° Low 63° Low 63° Low 64° Low 64°
High 84° High 84° High 83° High 81° High 81°
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
7% Rain
Clear
5% Rain
Clear
4% Rain
Partly Cloudy
6% Rain
Clear
8% Rain
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