WHITTIER, CA 90603 Weather Forecast & Current Conditions

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FULLERTON, CA
Current Weather

2:53 AM PDT MAY 18, 2025
Scattered Clouds
59°F
Feels Like: 59°F
Dewpoint: 34°F
Rel. Hum.: 39%
Visibility: 10 miles
Wind: Calm
Pressure: 29.94 inches
Last 72 hours

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WHITTIER, CA 90603
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly cloudy. A 20 percent chance of showers in the evening. Lows in the 50s.
SUNDAY
Low clouds and fog in the morning then partly cloudy. Highs in the upper 60s to mid 70s. Southwest winds around 15 mph in the afternoon.
SUNDAY NIGHT
Mostly clear. Patchy fog after midnight. Lows in the lower to mid 50s. Southwest winds around 15 mph in the evening.
MONDAY
Sunny. Patchy fog in the morning. Highs in the lower to mid 80s.
MONDAY NIGHT
Mostly clear. Lows around 60.
TUESDAY
Sunny. Highs in the upper 80s to mid 90s.
TUESDAY NIGHT
Clear. Lows in the mid 60s.
WEDNESDAY
Sunny. Highs 93 to 100.
WEDNESDAY NIGHT
Mostly clear. Lows in the mid to upper 60s.
THURSDAY
Sunny. Highs in the mid 80s to mid 90s.
THURSDAY NIGHT
Mostly clear in the evening then areas of low clouds and fog. Lows in the mid 60s.
FRIDAY
Areas of low clouds and fog in the morning then partly cloudy. Highs in the mid 80s to lower 90s.
FRIDAY NIGHT
Partly cloudy. Lows around 60.

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  5/17/2025
Sunday
18 MAY 2025
WHITTIER, CA 90603 weather forecast Day 1, 0 hours 11 PM 60° 60° Mostly Cloudy 0%

0% Thunder
( 1% severe)
S   5 47% 40°
Low 57° WHITTIER, CA 90603 weather forecast Day 1, 3 hours 2 AM 59° 60° Mostly Cloudy ESE   3 55% 43°
High 73° WHITTIER, CA 90603 weather forecast Day 1, 6 hours 5 AM 58° 59° Mostly Cloudy 0%

0% Thunder
( 1% severe)
ESE   2 51% 40°

Mostly Cloudy



WHITTIER, CA 90603 weather forecast Day 1, 9 hours 8 AM 61° 62° Mostly Cloudy ESE   2 48% 41°
WHITTIER, CA 90603 weather forecast Day 1, 12 hours 11 AM 68° 68° Partly Cloudy 0%

0% Thunder
( 0% severe)
S   5 37% 41°
WHITTIER, CA 90603 weather forecast Day 1, 15 hours 2 PM 71° 71° Partly Cloudy SSW   8 36% 43°
WHITTIER, CA 90603 weather forecast Day 1, 18 hours 5 PM 70° 70° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSW   8 38% 43°
WHITTIER, CA 90603 weather forecast Day 1, 21 hours 8 PM 64° 64° Clear SSW   6 45% 42°
Monday
19 MAY 2025
WHITTIER, CA 90603 weather forecast Day 2, 0 hours 11 PM 61° 62° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSE   3 48% 41°
Low 56° WHITTIER, CA 90603 weather forecast Day 2, 3 hours 2 AM 59° 60° Partly Cloudy E   2 55% 43°
High 80° WHITTIER, CA 90603 weather forecast Day 2, 6 hours 5 AM 57° 58° Mostly Cloudy 0%

0% Thunder
( 0% severe)
E   1 55% 41°

Decreasing Clouds



WHITTIER, CA 90603 weather forecast Day 2, 9 hours 8 AM 61° 62° Partly Cloudy   CALM 50% 42°
WHITTIER, CA 90603 weather forecast Day 2, 12 hours 11 AM 72° 72° Clear 0%

0% Thunder
( 0% severe)
WSW   3 35% 43°
WHITTIER, CA 90603 weather forecast Day 2, 15 hours 2 PM 78° 78° Clear WSW   7 30% 44°
WHITTIER, CA 90603 weather forecast Day 2, 18 hours 5 PM 78° 78° Clear 0%

0% Thunder
( 0% severe)
WSW   8 29% 43°
WHITTIER, CA 90603 weather forecast Day 2, 21 hours 8 PM 71° 71° Clear SW   6 34% 41°

FULLERTON, CA extended weather forecast

Tuesday
20 MAY 2025
Wednesday
21 MAY 2025
Thursday
22 MAY 2025
Friday
23 MAY 2025
Saturday
24 MAY 2025
Low 61° Low 62° Low 62° Low 62° Low 62°
High 84° High 85° High 86° High 79° High 77°
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
1% Rain
Partly Cloudy
2% Rain
Clear
2% Rain
Partly Cloudy
4% Rain
Mostly Cloudy
4% Rain
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