FULLERTON, CA 92837 Weather Forecast & Current Conditions

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FULLERTON, CA
Current Weather

6:53 PM PDT AUG 27, 2026
Clear
81°F
Feels Like: 85°F
Dewpoint: 72°F
Rel. Hum.: 74%
Visibility: 10 miles
Wind: SSW at 6 mph
Pressure: 29.78 inches
Last 72 hours

Local Area Snow Depth

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FULLERTON, CA 92837
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Partly cloudy. Lows 70 to 75. Areas of winds south to 10 mph this evening becoming light.
FRIDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 93 to 97 towards the coast to 100 farther inland. Light winds becoming southwest 10 mph in the afternoon.
FRIDAY NIGHT
Mostly clear. Lows 68 to 73. Areas of winds southwest to 10 mph in the evening becoming light.
SATURDAY
Mostly sunny. Highs 89 to 93 towards the coast to 96 farther inland. Light winds becoming southwest 10 mph in the afternoon.
SATURDAY NIGHT
Clear in the evening...becoming partly cloudy. Lows 65 to 70. Areas of winds south 10 mph.
SUNDAY
Partly cloudy with patchy fog in the morning...becoming sunny. Highs 85 to 88 towards the coast to 89 to 92 farther inland.
SUNDAY NIGHT
Mostly clear. Lows 61 to 68.
MONDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 82 to 85 towards the coast to 87 farther inland.
MONDAY NIGHT
Mostly clear. Lows 62 to 68.
TUESDAY
Partly cloudy. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs 84 to 87.
TUESDAY NIGHT
Partly cloudy. A chance of showers. Lows 63 to 69.
WEDNESDAY
Partly cloudy with a slight chance of showers. Highs 84 to 87 towards the coast to 88 farther inland.
WEDNESDAY NIGHT
Partly cloudy. A slight chance of showers in the evening. 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  8/27/2026
Thursday
27 AUG 2026
FULLERTON, CA 92837 weather forecast Day 1, 12 hours 11 AM 85° 88° Mostly Cloudy 1%

0% Thunder
( 5% severe)
  CALM 55% 67°
High 93° FULLERTON, CA 92837 weather forecast Day 1, 15 hours 2 PM 92° 96° Mostly Cloudy SW   5 44% 67°
Mostly Cloudy



FULLERTON, CA 92837 weather forecast Day 1, 18 hours 5 PM 91° 94° Mostly Cloudy 2%

0% Thunder
( 3% severe)
SSW   6 44% 66°
FULLERTON, CA 92837 weather forecast Day 1, 21 hours 8 PM 83° 85° Mostly Cloudy S   3 57% 66°
Friday
28 AUG 2026
FULLERTON, CA 92837 weather forecast Day 2, 0 hours 11 PM 79° 81° Mostly Cloudy 1%

0% Thunder
( 0% severe)
SSW   5 69% 68°
Low 74° FULLERTON, CA 92837 weather forecast Day 2, 3 hours 2 AM 76° 77° Mostly Cloudy   CALM 76% 68°
High 97° FULLERTON, CA 92837 weather forecast Day 2, 6 hours 5 AM 75° 75° Mostly Cloudy 1%

0% Thunder
( 0% severe)
  CALM 82% 69°

Decreasing Clouds



FULLERTON, CA 92837 weather forecast Day 2, 9 hours 8 AM 77° 79° Mostly Cloudy   CALM 76% 69°
FULLERTON, CA 92837 weather forecast Day 2, 12 hours 11 AM 87° 90° Partly Cloudy 2%

0% Thunder
( 4% severe)
WSW   3 52% 67°
FULLERTON, CA 92837 weather forecast Day 2, 15 hours 2 PM 93° 96° Clear SW   7 41% 66°
FULLERTON, CA 92837 weather forecast Day 2, 18 hours 5 PM 93° 95° Clear 0%

0% Thunder
( 3% severe)
SW   7 38% 64°
FULLERTON, CA 92837 weather forecast Day 2, 21 hours 8 PM 83° 84° Clear SSW   3 53% 64°
Saturday
29 AUG 2026
FULLERTON, CA 92837 weather forecast Day 3, 0 hours 11 PM 78° 80° Clear 0%

0% Thunder
( 0% severe)
S   5 69% 67°
Low 73° FULLERTON, CA 92837 weather forecast Day 3, 3 hours 2 AM 75° 75° Clear S   3 79% 68°
High 93° FULLERTON, CA 92837 weather forecast Day 3, 6 hours 5 AM 74° 74° Clear 0%

0% Thunder
( 0% severe)
  CALM 82% 68°

Clear



FULLERTON, CA 92837 weather forecast Day 3, 9 hours 8 AM 75° 75° Partly Cloudy   CALM 79% 68°
FULLERTON, CA 92837 weather forecast Day 3, 15 hours 11 AM 86° 89° Clear 0%

0% Thunder
( 1% severe)
SSW   5 53% 67°
FULLERTON, CA 92837 weather forecast Day 3, 18 hours 2 PM 91° 94° Clear SW   8 44% 66°
FULLERTON, CA 92837 weather forecast Day 3, 21 hours 5 PM 90° 91° Clear     SW   8 42% 64°

FULLERTON, CA extended weather forecast

Sunday
30 AUG 2026
Monday
31 AUG 2026
Tuesday
1 SEP 2026
Wednesday
2 SEP 2026
Thursday
3 SEP 2026
Low 69° Low 65° Low 67° Low 68° Low 66°
High 85° High 84° High 83° 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
Clear
2% Rain
Partly Cloudy
2% Rain
Mostly Cloudy
43% Rain
Partly Cloudy
33% Rain
Clear
12% Rain
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