FULLERTON, CA 92837 Weather Forecast & Current Conditions

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FULLERTON, CA
Current Weather

2:53 PM PST FEB 22, 2026
Clear
75°F
Feels Like: 75°F
Dewpoint: 43°F
Rel. Hum.: 32%
Visibility: 10 miles
Wind: Variable at 5 mph
Pressure: 30.13 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. Lows 48 to 53. Areas of winds west to 10 mph becoming east overnight.
MONDAY
Partly cloudy. Highs 79 to 83. Areas of winds east to 10 mph in the morning becoming light.
MONDAY NIGHT
Partly cloudy. Lows 52 to 56. Light winds.
TUESDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 76 to 79. Light winds becoming southwest 10 mph in the afternoon.
TUESDAY NIGHT
Partly cloudy. Lows 53 to 56. Light winds.
WEDNESDAY
Partly cloudy. Highs 76 to 80.
WEDNESDAY NIGHT
Partly cloudy. Patchy fog overnight. Lows 54 to 57.
THURSDAY
Patchy fog in the morning. Partly cloudy. Highs around 80 towards the coast to 81 to 84 farther inland.
THURSDAY NIGHT
Partly cloudy. Patchy fog overnight. Lows 56 to 60.
FRIDAY
Patchy fog in the morning. Partly cloudy. Highs 80 to 84.
FRIDAY NIGHT
Partly cloudy. Patchy fog overnight. Lows 56 to 59.
SATURDAY
Patchy fog in the morning. Partly cloudy. Highs around 77 towards the coast to 79 to 82 farther inland.
SATURDAY NIGHT
Partly cloudy. Patchy fog overnight. Lows around 56.

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 AM EST  2/22/2026
Sunday
22 FEB 2026
FULLERTON, CA 92837 weather forecast Day 1, 12 hours 10 AM 64° 66° Clear 0%

0% Thunder
( 0% severe)
NE   1 41% 40°
High 75° FULLERTON, CA 92837 weather forecast Day 1, 15 hours 1 PM 74° 74° Partly Cloudy WSW   3 26% 37°
Clear



FULLERTON, CA 92837 weather forecast Day 1, 18 hours 4 PM 74° 74° Clear 0%

0% Thunder
( 0% severe)
W   6 28% 39°
FULLERTON, CA 92837 weather forecast Day 1, 21 hours 7 PM 63° 64° Clear WNW   5 50% 44°
Monday
23 FEB 2026
FULLERTON, CA 92837 weather forecast Day 2, 0 hours 10 PM 57° 57° Clear 0%

0% Thunder
( 0% severe)
ENE   3 64% 45°
Low 50° FULLERTON, CA 92837 weather forecast Day 2, 3 hours 1 AM 53° 53° Clear NNE   2 71% 44°
High 80° FULLERTON, CA 92837 weather forecast Day 2, 6 hours 4 AM 51° 51° Partly Cloudy 0%

0% Thunder
( 0% severe)
ENE   2 68% 41°

Partly Cloudy



FULLERTON, CA 92837 weather forecast Day 2, 9 hours 7 AM 51° 51° Partly Cloudy NE   2 66% 40°
FULLERTON, CA 92837 weather forecast Day 2, 12 hours 10 AM 69° 69° Partly Cloudy 0%

0% Thunder
( 0% severe)
ENE   1 36% 41°
FULLERTON, CA 92837 weather forecast Day 2, 15 hours 1 PM 78° 78° Partly Cloudy WSW   2 25% 39°
FULLERTON, CA 92837 weather forecast Day 2, 18 hours 4 PM 78° 78° Partly Cloudy 0%

0% Thunder
( 0% severe)
WSW   6 26% 40°
FULLERTON, CA 92837 weather forecast Day 2, 21 hours 7 PM 67° 67° Partly Cloudy W   2 45% 45°
Tuesday
24 FEB 2026
FULLERTON, CA 92837 weather forecast Day 3, 0 hours 10 PM 60° 61° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 64% 48°
Low 52° FULLERTON, CA 92837 weather forecast Day 3, 3 hours 1 AM 56° 56° Partly Cloudy   CALM 74% 48°
High 77° FULLERTON, CA 92837 weather forecast Day 3, 6 hours 4 AM 55° 55° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 74% 47°

Partly Cloudy



FULLERTON, CA 92837 weather forecast Day 3, 9 hours 7 AM 54° 54° Partly Cloudy   CALM 77% 47°
FULLERTON, CA 92837 weather forecast Day 3, 15 hours 10 AM 68° 68° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 53% 50°
FULLERTON, CA 92837 weather forecast Day 3, 18 hours 1 PM 76° 78° Partly Cloudy SW   5 39% 49°
FULLERTON, CA 92837 weather forecast Day 3, 21 hours 4 PM 75° 75° Partly Cloudy     SW   7 41% 50°

FULLERTON, CA extended weather forecast

Wednesday
25 FEB 2026
Thursday
26 FEB 2026
Friday
27 FEB 2026
Saturday
28 FEB 2026
Sunday
1 MAR 2026
Low 57° Low 57° Low 56° Low 55° Low 58°
High 78° High 78° High 81° High 82° High 74°
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
6% Rain
Partly Cloudy
12% Rain
Partly Cloudy
11% Rain
Partly Cloudy
8% Rain
Mostly Cloudy
16% Rain
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