FULLERTON, CA 92837 Weather Forecast & Current Conditions

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92837 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
FULLERTON, CA Current Weather
10:49 PM PST NOV 20, 2025
Overcast Light Rain Mist 54°F
Feels Like:	54°F
Dewpoint:	54°F
Rel. Hum.:	100%
Visibility:	3 miles
Wind:
Pressure:	29.84 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

TONIGHT
Showers and a slight chance of thunderstorms. Locally heavy rainfall possible this evening. Lows 48 to 53. Areas of winds southeast 10 to 15 mph with gusts to 25 mph.

FRIDAY
Mostly cloudy with a chance of showers and a slight chance of thunderstorms in the morning, then partly cloudy with a slight chance of showers in the afternoon. Highs 61 to 64. Areas of winds southeast 10 to 15 mph with gusts to 25 mph...becoming to 10 mph in the afternoon. Chance of measurable precipitation 50 percent.

FRIDAY NIGHT
Partly cloudy with a slight chance of showers. Lows 47 to 52. Areas of winds east 10 to 20 mph with gusts to 35 mph. Chance of measurable precipitation 20 percent.

SATURDAY
Mostly cloudy in the morning...becoming partly cloudy. Highs 65 to 68. Areas of winds northeast 10 to 15 mph with gusts to 25 mph becoming west in the afternoon.

SATURDAY NIGHT
Mostly clear. Lows 46 to 51. Light winds.

SUNDAY
Mostly sunny. Highs 66 to 69.

SUNDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 47 to 52.

MONDAY
Partly cloudy in the morning...becoming mostly sunny. Highs around 67.

MONDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 47 to 51.

TUESDAY
Partly cloudy in the morning...becoming mostly sunny. Highs around 71.

TUESDAY NIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 50 to 53.

WEDNESDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 72 to 75.

WEDNESDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 51 to 55.

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 11/20/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Friday
21 NOV 2025

10 PM

56°

53°

Mostly Cloudy

86%
RAIN
***

0% Thunder
( 18% severe)

ESE 10

90%

53°

Low 54°

1 AM

55°

52°

Mostly Cloudy

E 9

90%

52°

High 63°

4 AM

55°

52°

Mostly Cloudy

57%
RAIN
***

0% Thunder
( 7% severe)

E 9

86%

51°

Mostly Cloudy

Rain Likely

7 AM

55°

52°

Mostly Cloudy

E 9

86%

51°

10 AM

58°

56°

Mostly Cloudy

27%
RAIN
***

0% Thunder
( 8% severe)

E 8

77%

51°

1 PM

62°

62°

Mostly Cloudy

E 7

65%

50°

4 PM

61°

62°

Mostly Cloudy

17%
RAIN
<.01 in

0% Thunder
( 3% severe)

ESE 3

70%

51°

7 PM

57°

57°

Mostly Cloudy

NNE 5

77%

50°

Saturday
22 NOV 2025

10 PM

56°

55°

Partly Cloudy

11%
RAIN
<.01 in

0% Thunder
( 0% severe)

NE 6

77%

49°

Low 51°

1 AM

54°

53°

Partly Cloudy

NE 5

77%

47°

High 69°

4 AM

53°

52°

Partly Cloudy

5%

0% Thunder
( 0% severe)

NE 5

80%

47°

Mostly Cloudy

7 AM

53°

52°

Mostly Cloudy

NNE 5

83%

48°

10 AM

61°

62°

Mostly Cloudy

2%

0% Thunder
( 0% severe)

NNE 2

67%

50°

1 PM

66°

66°

Partly Cloudy

NNE 2

54%

49°

4 PM

65°

65°

Partly Cloudy

1%

0% Thunder
( 0% severe)

WNW 2

63%

52°

7 PM

60°

61°

Clear

NW 2

72%

51°


FULLERTON, CA extended weather forecast
Sunday 23 NOV 2025	Monday 24 NOV 2025	Tuesday 25 NOV 2025	Wednesday 26 NOV 2025	Thursday 27 NOV 2025
Low 51°	Low 50°	Low 50°	Low 49°	Low 50°
High 72°	High 70°	High 74°	High 77°	High 78°

Clear 5% Rain	Partly Cloudy 5% Rain	Clear 6% Rain	Clear 4% Rain	Clear 3% Rain

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