WHITTIER, CA 90603 Weather Forecast & Current Conditions

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FULLERTON, CA
Current Weather

8:53 AM PDT JUL 5, 2025
Clear
Haze
70°F
Feels Like: 70°F
Dewpoint: 61°F
Rel. Hum.: 73%
Visibility: 5 miles
Wind: Variable at 3 mph
Pressure: 30.06 inches
Last 72 hours

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WHITTIER, CA 90603
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Low clouds and fog in the morning then sunny. Highs in the mid 80s to around 90.
TONIGHT
Clear except for patchy low clouds and fog after midnight. Lows around 60.
SUNDAY
Sunny except for patchy low clouds and fog in the morning. Highs in the mid 80s to around 90.
SUNDAY NIGHT
Clear in the evening then areas of low clouds and fog. Lows around 60.
MONDAY
Areas of low clouds and fog in the morning then sunny. Highs in the mid to upper 80s.
MONDAY NIGHT
Clear except for patchy low clouds and fog after midnight. Lows in the lower 60s.
TUESDAY
Sunny except for patchy low clouds and fog in the morning. Highs in the lower to mid 90s.
TUESDAY NIGHT
Mostly clear except for patchy low clouds and fog after midnight. Lows in the mid 60s.
WEDNESDAY
Partly cloudy except for patchy low clouds and fog in the morning. Highs 94 to 102.
WEDNESDAY NIGHT
Mostly clear. Lows in the mid 60s.
THURSDAY
Partly cloudy in the morning then sunny. Highs 92 to 100.
THURSDAY NIGHT
Mostly clear. Lows in the mid 60s.
FRIDAY
Partly cloudy in the morning then sunny. Highs in the lower to mid 90s.

Visible Weather Satellite
WHITTIER, CA 90603
Infrared Weather Satellite
WHITTIER, CA 90603
NEXRAD Weather Radar
WHITTIER, CA 90603

FULLERTON, CA 3 hourly weather forecast

weather forecast created  8:00 PM EDT  7/ 4/2025
Saturday
5 JUL 2025
WHITTIER, CA 90603 weather forecast Day 1, 0 hours 11 PM 67° 67° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSW   2 49% 47°
Low 63° WHITTIER, CA 90603 weather forecast Day 1, 3 hours 2 AM 66° 66° Mostly Cloudy S   1 56% 50°
High 86° WHITTIER, CA 90603 weather forecast Day 1, 6 hours 5 AM 64° 66° Mostly Cloudy 0%

0% Thunder
( 0% severe)
SSE   1 52% 46°

Decreasing Clouds



WHITTIER, CA 90603 weather forecast Day 1, 9 hours 8 AM 67° 67° Mostly Cloudy S   1 54% 50°
WHITTIER, CA 90603 weather forecast Day 1, 12 hours 11 AM 77° 78° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   3 39% 50°
WHITTIER, CA 90603 weather forecast Day 1, 15 hours 2 PM 83° 82° Clear SW   7 33% 51°
WHITTIER, CA 90603 weather forecast Day 1, 18 hours 5 PM 83° 81° Clear 0%

0% Thunder
( 0% severe)
SW   7 31% 49°
WHITTIER, CA 90603 weather forecast Day 1, 21 hours 8 PM 74° 74° Clear W   6 35% 45°
Sunday
6 JUL 2025
WHITTIER, CA 90603 weather forecast Day 2, 0 hours 11 PM 68° 68° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSW   3 42% 44°
Low 63° WHITTIER, CA 90603 weather forecast Day 2, 3 hours 2 AM 65° 65° Partly Cloudy SSE   1 54% 48°
High 84° WHITTIER, CA 90603 weather forecast Day 2, 6 hours 5 AM 63° 64° Mostly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 50% 44°

Decreasing Clouds



WHITTIER, CA 90603 weather forecast Day 2, 9 hours 8 AM 66° 66° Partly Cloudy   CALM 50% 47°
WHITTIER, CA 90603 weather forecast Day 2, 12 hours 11 AM 76° 78° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   3 36% 47°
WHITTIER, CA 90603 weather forecast Day 2, 15 hours 2 PM 82° 81° Clear SW   7 32% 49°
WHITTIER, CA 90603 weather forecast Day 2, 18 hours 5 PM 81° 80° Clear 0%

0% Thunder
( 0% severe)
SW   8 32% 48°
WHITTIER, CA 90603 weather forecast Day 2, 21 hours 8 PM 72° 72° Clear SW   6 38% 45°

FULLERTON, CA extended weather forecast

BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
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Low 61° Low 61° Low 64° Low 66° Low 67°
High 84° High 85° High 92° High 95° High 86°
WHITTIER, CA 90603 weather forecast Day 3 WHITTIER, CA 90603 weather forecast Day 4 WHITTIER, CA 90603 weather forecast Day 5 WHITTIER, CA 90603 weather forecast Day 6 WHITTIER, CA 90603 weather forecast Day 7
Partly Cloudy
2% Rain
Partly Cloudy
2% Rain
Clear
1% Rain
Clear
1% Rain
Partly Cloudy
1% Rain
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