WHITTIER, CA 90603 Weather Forecast & Current Conditions

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90603 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
FULLERTON, CA Current Weather
1:53 PM PDT APR 2, 2026
Few Clouds 70°F
Feels Like:	70°F
Dewpoint:	52°F
Rel. Hum.:	53%
Visibility:	10 miles
Wind:	S at 7 mph
Pressure:	29.94 inches
Last 72 hours
Local Area Snow Depth
California Current Weather
California MOS Forecast Weather

Regional Weather Maps

(Automated weather data from NWS/FAA)

90603 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	WHITTIER, CA 90603 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Mostly clear. Lows in the lower 50s.

FRIDAY
Partly cloudy. Highs in the upper 70s to mid 80s. Northeast winds around 15 mph.

FRIDAY NIGHT
Partly cloudy. Lows in the mid 50s.

SATURDAY
Partly cloudy. Highs in the mid 80s. East winds around 15 mph in the afternoon.

SATURDAY NIGHT
Partly cloudy in the evening then mostly clear. Lows in the mid 50s to around 60.

SUNDAY
Sunny. Highs in the mid 80s.

SUNDAY NIGHT
Partly cloudy in the evening then mostly cloudy. Lows in the mid 50s.

MONDAY
Mostly cloudy. Highs in the mid 70s to around 80.

MONDAY NIGHT
Mostly clear. Lows in the mid 50s.

TUESDAY
Sunny. Highs in the upper 70s to mid 80s.

TUESDAY NIGHT
Mostly clear. Lows in the mid 50s.

WEDNESDAY
Sunny. Highs in the mid 70s to around 80.

WEDNESDAY NIGHT
Mostly clear in the evening then partly cloudy. Lows in the mid 50s.

90603 WEATHER SATELLITE LOOPS

Visible Weather Satellite
WHITTIER, CA 90603

Infrared Weather Satellite
WHITTIER, CA 90603

90603 WEATHER RADAR LOOP

NEXRAD Weather Radar
WHITTIER, CA 90603

MOS COMPUTER WEATHER FORECAST

FULLERTON, CA 3 hourly weather forecast

weather forecast created 7:00 AM EST 4/ 2/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

TIME
PST

TEMP
(deg. F)

FEELS
LIKE

CLOUD
COVER

PRECIP
PROB.

THUNDER
PROB.

WIND
dir./mph

REL
HUM

DEWPT
(deg. F)

Thursday
2 APR 2026

10 AM

66°

Mostly Cloudy

0% Thunder
( 0% severe)

SSW 3

63%

53°

High 71°

1 PM

70°

Partly Cloudy

SSW 8

53%

52°

Decreasing Clouds

4 PM

70°

Partly Cloudy

0% Thunder
( 0% severe)

SW 9

51%

51°

7 PM

64°

Clear

SW 6

65%

52°

Friday
3 APR 2026

10 PM

60°

61°

Clear

0% Thunder
( 0% severe)

SSE 1

81%

54°

Low 54°

1 AM

57°

58°

Partly Cloudy

ESE 2

90%

54°

High 82°

4 AM

56°

Partly Cloudy

0% Thunder
( 0% severe)

ENE 1

83%

51°

Partly Cloudy

7 AM

58°

59°

Partly Cloudy

NNE 2

72%

49°

10 AM

71°

Partly Cloudy

0% Thunder
( 0% severe)

WNW 3

36%

43°

1 PM

79°

78°

Mostly Cloudy

WNW 5

20%

35°

4 PM

81°

79°

Partly Cloudy

0% Thunder
( 0% severe)

W 7

19%

35°

7 PM

73°

Mostly Cloudy

NNW 6

26%

36°

Saturday
4 APR 2026

10 PM

66°

Partly Cloudy

0% Thunder
( 0% severe)

NE 5

32%

35°

Low 56°

1 AM

61°

62°

Partly Cloudy

ENE 3

39%

36°

High 86°

4 AM

58°

59°

Partly Cloudy

0% Thunder
( 0% severe)

NE 2

42%

35°

Partly Cloudy

7 AM

62°

63°

Partly Cloudy

NE 3

35%

34°

10 AM

78°

77°

Partly Cloudy

0% Thunder
( 0% severe)

ENE 2

17%

30°

1 PM

84°

81°

Partly Cloudy

SW 5

14%

30°

4 PM

84°

81°

Partly Cloudy

WSW 7

15%

31°


FULLERTON, CA extended weather forecast
Sunday 5 APR 2026	Monday 6 APR 2026	Tuesday 7 APR 2026	Wednesday 8 APR 2026	Thursday 9 APR 2026
Low 55°	Low 57°	Low 57°	Low 59°	Low 56°
High 86°	High 77°	High 79°	High 73°	High 73°

Clear 2% Rain	Mostly Cloudy 3% Rain	Partly Cloudy 3% Rain	Overcast 8% Rain	Partly Cloudy 24% Rain