FULLERTON, CA 92837 Weather Forecast & Current Conditions

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FULLERTON, CA
Current Weather

8:53 AM PDT MAY 14, 2026
Overcast
64°F
Feels Like: 64°F
Dewpoint: 54°F
Rel. Hum.: 70%
Visibility: 10 miles
Wind: Variable at 6 mph
Pressure: 30.03 inches
Last 72 hours

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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 71 to 75. Areas of winds south to 10 mph.
TONIGHT
Mostly clear in the evening...becoming mostly cloudy overnight with patchy fog. Lows 52 to 58. Areas of winds south 10 mph in the evening becoming light.
FRIDAY
Partly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 71 to 75. Areas of winds south 10 mph.
FRIDAY NIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 52 to 57. Areas of winds south 10 mph.
SATURDAY
Mostly cloudy with patchy fog in the morning... Becoming mostly sunny. Highs 71 to 75. Areas of winds south 10 to 15 mph. Gusts to 25 mph in the afternoon.
SATURDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 52 to 57.
SUNDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 71 to 74.
SUNDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 51 to 57.
MONDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 76 to 80.
MONDAY NIGHT
Mostly clear. Lows 53 to 58.
TUESDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 80 to 84.
TUESDAY NIGHT
Mostly clear. Lows 56 to 59.
WEDNESDAY
Partly cloudy. Highs 81 to 85.

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  5/13/2026
Thursday
14 MAY 2026
FULLERTON, CA 92837 weather forecast Day 1, 0 hours 11 PM 61° 62° Clear 0%

0% Thunder
( 0% severe)
  CALM 84% 56°
Low 57° FULLERTON, CA 92837 weather forecast Day 1, 3 hours 2 AM 59° 60° Clear   CALM 93% 57°
High 74° FULLERTON, CA 92837 weather forecast Day 1, 6 hours 5 AM 58° 59° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 93% 56°

Partly Cloudy



FULLERTON, CA 92837 weather forecast Day 1, 9 hours 8 AM 61° 62° Mostly Cloudy   CALM 84% 56°
FULLERTON, CA 92837 weather forecast Day 1, 12 hours 11 AM 68° 68° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSW   6 68% 57°
FULLERTON, CA 92837 weather forecast Day 1, 15 hours 2 PM 72° 72° Clear SW   8 61% 58°
FULLERTON, CA 92837 weather forecast Day 1, 18 hours 5 PM 72° 72° Clear 0%

0% Thunder
( 0% severe)
SSW   8 59% 57°
FULLERTON, CA 92837 weather forecast Day 1, 21 hours 8 PM 66° 66° Clear SSW   6 73% 57°
Friday
15 MAY 2026
FULLERTON, CA 92837 weather forecast Day 2, 0 hours 11 PM 62° 63° Clear 0%

0% Thunder
( 0% severe)
  CALM 87% 58°
Low 57° FULLERTON, CA 92837 weather forecast Day 2, 3 hours 2 AM 60° 61° Mostly Cloudy   CALM 93% 58°
High 74° FULLERTON, CA 92837 weather forecast Day 2, 6 hours 5 AM 59° 60° Mostly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 96% 58°

Decreasing Clouds



FULLERTON, CA 92837 weather forecast Day 2, 9 hours 8 AM 62° 63° Mostly Cloudy   CALM 87% 58°
FULLERTON, CA 92837 weather forecast Day 2, 12 hours 11 AM 68° 68° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSW   7 73% 59°
FULLERTON, CA 92837 weather forecast Day 2, 15 hours 2 PM 72° 72° Clear SW   8 68% 61°
FULLERTON, CA 92837 weather forecast Day 2, 18 hours 5 PM 72° 72° Clear 0%

0% Thunder
( 0% severe)
SSW   8 64% 59°
FULLERTON, CA 92837 weather forecast Day 2, 21 hours 8 PM 66° 66° Clear SSW   6 78% 59°

FULLERTON, CA extended weather forecast

Saturday
16 MAY 2026
Sunday
17 MAY 2026
Monday
18 MAY 2026
Tuesday
19 MAY 2026
Wednesday
20 MAY 2026
Low 62° Low 62° Low 62° Low 63° Low 62°
High 75° High 75° High 75° High 74° High 74°
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
5% Rain
Mostly Cloudy
6% Rain
Overcast
7% Rain
Mostly Cloudy
10% Rain
Overcast
12% Rain
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