FULLERTON, CA 92837 Weather Forecast & Current Conditions

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92837 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
FULLERTON, CA Current Weather
3:53 AM PST DEC 15, 2025
Fog 54°F
Feels Like:	54°F
Dewpoint:	54°F
Rel. Hum.:	100%
Visibility:	1/4 miles
Wind:	Calm
Pressure:	30.10 inches
Last 72 hours
Local Area Snow Depth
California Current Weather
California MOS Forecast Weather

Weather Map

(Automated weather data from NWS/FAA)

92837 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	FULLERTON, CA 92837 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TODAY
Partly cloudy with patchy fog this morning...becoming sunny. Local visibility one quarter mile or less at times this morning. Warmer. Highs around 71 towards the coast to 73 to 77 farther inland. Light winds.

TONIGHT
Partly cloudy. Patchy fog overnight. Lows 49 to 54. Light winds.

TUESDAY
Partly cloudy with patchy fog in the morning... Becoming mostly sunny. Highs 72 to 75 towards the coast to 76 to 79 farther inland. Light winds.

TUESDAY NIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 51 to 55. Light winds.

WEDNESDAY
Partly cloudy with patchy fog in the morning... Becoming mostly sunny. Highs around 74 towards the coast to 75 to 78 farther inland. Light winds.

WEDNESDAY NIGHT
Mostly clear. Patchy fog overnight. Lows 52 to 56.

THURSDAY
Patchy fog in the morning. Mostly sunny. Highs around 78 towards the coast to 79 to 82 farther inland.

THURSDAY NIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 53 to 57.

FRIDAY
Partly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 76 to 80.

FRIDAY NIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows around 53.

SATURDAY
Mostly cloudy with patchy fog in the morning... Becoming partly cloudy. Highs 71 to 74.

SATURDAY NIGHT
Partly cloudy. Patchy fog overnight. Lows around 53.

SUNDAY
Mostly cloudy with patchy fog in the morning...becoming partly cloudy. Highs around 72.

92837 WEATHER SATELLITE LOOPS

Visible Weather Satellite
FULLERTON, CA 92837

Infrared Weather Satellite
FULLERTON, CA 92837

92837 WEATHER RADAR LOOP

NEXRAD Weather Radar
FULLERTON, CA 92837

MOS COMPUTER WEATHER FORECAST

FULLERTON, CA 3 hourly weather forecast

weather forecast created 7:00 PM EST 12/14/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Monday
15 DEC 2025

10 PM

55°

55°

Partly Cloudy

0%

0% Thunder
( 0% severe)

NNW 2

93%

53°

Low 50°

1 AM

53°

53°

Mostly Cloudy

NE 1

93%

51°

High 76°

4 AM

52°

52°

Mostly Cloudy

0%

0% Thunder
( 0% severe)

NE 2

93%

50°

Decreasing Clouds

7 AM

51°

51°

Mostly Cloudy

N 2

93%

49°

10 AM

62°

63°

Partly Cloudy

0%

0% Thunder
( 0% severe)

W 1

62%

49°

1 PM

73°

73°

Clear

W 1

40%

47°

4 PM

71°

71°

Clear

0%

0% Thunder
( 0% severe)

SW 2

47%

50°

7 PM

61°

62°

Partly Cloudy

ESE 2

70%

51°

Tuesday
16 DEC 2025

10 PM

57°

57°

Partly Cloudy

0%

0% Thunder
( 0% severe)

ENE 3

69%

47°

Low 50°

1 AM

54°

54°

Partly Cloudy

ENE 3

69%

44°

High 77°

4 AM

53°

53°

Partly Cloudy

0%

0% Thunder
( 0% severe)

NE 3

69%

43°

Partly Cloudy

7 AM

51°

51°

Partly Cloudy

ENE 2

71%

42°

10 AM

65°

65°

Partly Cloudy

0%

0% Thunder
( 0% severe)

E 1

45%

43°

1 PM

75°

75°

Partly Cloudy

SW 1

32%

43°

4 PM

72°

72°

Partly Cloudy

0%

0% Thunder
( 0% severe)

SW 1

41%

47°

7 PM

62°

63°

Partly Cloudy

CALM

67%

51°


FULLERTON, CA extended weather forecast
Wednesday 17 DEC 2025	Thursday 18 DEC 2025	Friday 19 DEC 2025	Saturday 20 DEC 2025	Sunday 21 DEC 2025
Low 52°	Low 56°	Low 53°	Low 51°	Low 54°
High 80°	High 82°	High 79°	High 74°	High 72°

Partly Cloudy 1% Rain	Clear 4% Rain	Clear 6% Rain	Mostly Cloudy 12% Rain	Mostly Cloudy 18% Rain

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