WHITTIER, CA 90603 Weather Forecast & Current Conditions

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FULLERTON, CA
Current Weather

12:53 AM PDT AUG 27, 2025
Clear
68°F
Feels Like: 68°F
Dewpoint: 64°F
Rel. Hum.: 87%
Visibility: 10 miles
Wind: Calm
Pressure: 30.00 inches
Last 72 hours

Local Area Snow Depth

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WHITTIER, CA 90603
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Clear. Lows in the lower to mid 60s.
WEDNESDAY
Low clouds and fog in the morning then sunny. Highs around 90. Southwest winds around 15 mph in the afternoon.
WEDNESDAY NIGHT
Clear in the evening then low clouds and fog. Lows in the lower to mid 60s.
THURSDAY
Low clouds and fog in the morning then sunny. Highs in the mid 80s to around 90.
THURSDAY NIGHT
Mostly clear in the evening then low clouds and fog. Lows in the mid 60s to around 70.
FRIDAY
Low clouds and fog in the morning then sunny. Highs around 90.
FRIDAY NIGHT
Clear. Lows in the mid 60s to around 70.
SATURDAY
Sunny. Highs in the upper 80s to mid 90s.
SATURDAY NIGHT
Clear. Lows in the mid 60s.
SUNDAY
Sunny. Highs in the upper 80s to mid 90s.
SUNDAY NIGHT
Clear. Lows in the mid 60s.
LABOR DAY
Sunny. Highs in the upper 80s to mid 90s.
MONDAY NIGHT
Clear except for patchy low clouds and fog after midnight. Lows in the mid 60s.

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  8/26/2025
Wednesday
27 AUG 2025
WHITTIER, CA 90603 weather forecast Day 1, 0 hours 11 PM 69° 69° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSW   3 78% 62°
Low 66° WHITTIER, CA 90603 weather forecast Day 1, 3 hours 2 AM 68° 68° Partly Cloudy SW   1 81% 62°
High 86° WHITTIER, CA 90603 weather forecast Day 1, 6 hours 5 AM 67° 67° Partly Cloudy 1%

0% Thunder
( 0% severe)
WNW   1 84% 62°

Decreasing Clouds



WHITTIER, CA 90603 weather forecast Day 1, 9 hours 8 AM 69° 69° Mostly Cloudy W   1 81% 63°
WHITTIER, CA 90603 weather forecast Day 1, 12 hours 11 AM 78° 80° Clear 0%

0% Thunder
( 1% severe)
SW   3 58% 62°
WHITTIER, CA 90603 weather forecast Day 1, 15 hours 2 PM 84° 84° Clear SW   8 46% 61°
WHITTIER, CA 90603 weather forecast Day 1, 18 hours 5 PM 82° 83° Partly Cloudy 1%

0% Thunder
( 1% severe)
SW   8 49% 61°
WHITTIER, CA 90603 weather forecast Day 1, 21 hours 8 PM 73° 73° Partly Cloudy SW   5 64% 60°
Thursday
28 AUG 2025
WHITTIER, CA 90603 weather forecast Day 2, 0 hours 11 PM 70° 70° Mostly Cloudy 2%

0% Thunder
( 0% severe)
SSW   2 73% 61°
Low 67° WHITTIER, CA 90603 weather forecast Day 2, 3 hours 2 AM 69° 69° Mostly Cloudy WSW   1 76% 61°
High 85° WHITTIER, CA 90603 weather forecast Day 2, 6 hours 5 AM 68° 68° Mostly Cloudy 8%

0% Thunder
( 0% severe)
W   1 78% 61°

Mostly Cloudy



WHITTIER, CA 90603 weather forecast Day 2, 9 hours 8 AM 70° 70° Overcast NE   2 73% 61°
WHITTIER, CA 90603 weather forecast Day 2, 12 hours 11 AM 79° 80° Mostly Cloudy 9%

0% Thunder
( 1% severe)
SSW   2 50% 59°
WHITTIER, CA 90603 weather forecast Day 2, 15 hours 2 PM 83° 82° Mostly Cloudy SW   5 41% 57°
WHITTIER, CA 90603 weather forecast Day 2, 18 hours 5 PM 82° 82° Mostly Cloudy 8%

0% Thunder
( 1% severe)
SW   6 43% 57°
WHITTIER, CA 90603 weather forecast Day 2, 21 hours 8 PM 76° 78° Partly Cloudy WSW   3 52% 57°

FULLERTON, CA extended weather forecast

Friday
29 AUG 2025
Saturday
30 AUG 2025
Sunday
31 AUG 2025
Monday
1 SEP 2025
Tuesday
2 SEP 2025
Low 70° Low 69° Low 70° Low 70° Low 70°
High 94° High 92° High 93° High 93° High 90°
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
Clear
Clear
Clear
1% Rain
Clear
10% Rain
Clear
5% Rain
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