FULLERTON, CA 92837 Weather Forecast & Current Conditions

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92837 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
FULLERTON, CA Current Weather
8:53 PM PDT SEP 15, 2026
Clear 72°F
Feels Like:	72°F
Dewpoint:	61°F
Rel. Hum.:	68%
Visibility:	10 miles
Wind:	SSE at 6 mph
Pressure:	29.90 inches
Last 72 hours
Local Area Snow Depth
California Current Weather
California MOS Forecast Weather

Regional Weather Maps

(Automated weather data from NWS/FAA)

92837 WEATHER FORECAST
10-Day model forecast maps 2026 Hurricanes	FULLERTON, CA 92837 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Partly cloudy this evening, then mostly cloudy with patchy drizzle overnight. Lows 56 to 65. Areas of winds south 10 mph this evening becoming light.

WEDNESDAY
Mostly cloudy with patchy drizzle in the morning, then partly cloudy in the afternoon. Highs around 80. Light winds becoming southwest 10 mph in the afternoon.

WEDNESDAY NIGHT
Partly cloudy. Lows 55 to 64. Areas of winds south 10 mph in the evening becoming light.

THURSDAY
Partly cloudy in the morning...becoming mostly sunny. Highs around 77 towards the coast to 80 farther inland. Light winds becoming west 10 mph in the afternoon.

THURSDAY NIGHT
Clear in the evening...becoming partly cloudy. Lows 55 to 64. Areas of winds west 10 mph in the evening becoming light.

FRIDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 79 to 82.

FRIDAY NIGHT
Clear. Lows 57 to 65.

SATURDAY
Mostly sunny. Highs 81 to 84.

SATURDAY NIGHT
Clear in the evening...becoming partly cloudy. Lows 57 to 65.

SUNDAY
Partly cloudy. Highs 79 to 83.

SUNDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 56 to 64.

MONDAY
Partly cloudy. Highs around 80.

MONDAY NIGHT
Mostly clear. Lows 56 to 65.

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 8:00 AM EDT 9/15/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Tuesday
15 SEP 2026

11 AM

75°

75°

Partly Cloudy

0%

0% Thunder
( 0% severe)

S 6

64%

62°

High 79°

2 PM

78°

80°

Partly Cloudy

SSW 8

58%

62°

Partly Cloudy

5 PM

77°

79°

Partly Cloudy

1%

0% Thunder
( 0% severe)

S 8

56%

60°

8 PM

71°

71°

Partly Cloudy

S 5

73%

62°

Wednesday
16 SEP 2026

11 PM

69°

69°

Partly Cloudy

16%
RAIN
<.01 in

0% Thunder
( 0% severe)

S 7

78%

62°

Low 65°

2 AM

67°

67°

Partly Cloudy

SSE 5

84%

62°

High 79°

5 AM

66°

66°

Mostly Cloudy

24%
RAIN
<.01 in

0% Thunder
( 0% severe)

SE 5

87%

62°

Mostly Cloudy

Chance of Rain

8 AM

68°

68°

Mostly Cloudy

SSE 6

84%

63°

11 AM

73°

73°

Partly Cloudy

1%

0% Thunder
( 0% severe)

S 5

68%

62°

2 PM

77°

79°

Partly Cloudy

SSW 7

58%

61°

5 PM

77°

79°

Clear

0%

0% Thunder
( 0% severe)

SSW 8

54%

59°

8 PM

71°

71°

Partly Cloudy

SSW 5

71%

61°

Thursday
17 SEP 2026

11 PM

68°

68°

Mostly Cloudy

3%

0% Thunder
( 0% severe)

S 3

81%

62°

Low 65°

2 AM

67°

67°

Mostly Cloudy

SSE 3

84%

62°

High 80°

5 AM

66°

66°

Mostly Cloudy

0%

0% Thunder
( 0% severe)

CALM

84%

61°

Decreasing Clouds

8 AM

67°

67°

Partly Cloudy

CALM

87%

63°

11 AM

73°

73°

Partly Cloudy

0%

0% Thunder
( 0% severe)

CALM

68%

62°

2 PM

77°

79°

Clear

SW 7

58%

61°

5 PM

78°

79°

Clear

WSW 8

52%

59°


FULLERTON, CA extended weather forecast
Friday 18 SEP 2026	Saturday 19 SEP 2026	Sunday 20 SEP 2026	Monday 21 SEP 2026	Tuesday 22 SEP 2026
Low 64°	Low 63°	Low 66°	Low 65°	Low 66°
High 84°	High 83°	High 82°	High 80°	High 83°

Clear 5% Rain	Clear 2% Rain	Partly Cloudy 2% Rain	Partly Cloudy 5% Rain	Partly Cloudy 5% Rain

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