WALNUT, CA 91789 Weather Forecast & Current Conditions

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FULLERTON, CA
Current Weather

9:53 PM PDT MAY 5, 2025
Overcast
61°F
Feels Like: 62°F
Dewpoint: 30°F
Rel. Hum.: 31%
Visibility: 10 miles
Wind: SSW at 3 mph
Pressure: 29.90 inches
Last 72 hours

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WALNUT, CA 91789
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly cloudy. Patchy drizzle after midnight. Lows in the lower to mid 50s.
TUESDAY
Cloudy in the morning then partly cloudy. Patchy drizzle in the morning. Highs in the mid 60s to around 70.
TUESDAY NIGHT
Partly cloudy in the evening then mostly cloudy. Patchy fog after midnight. Lows in the lower to mid 50s.
WEDNESDAY
Cloudy in the morning then sunny. Highs in the mid 70s.
WEDNESDAY NIGHT
Mostly clear in the evening then low clouds and fog. Lows in the mid to upper 50s.
THURSDAY
Low clouds and fog in the morning then sunny. Highs in the lower to mid 80s.
THURSDAY NIGHT
Mostly clear except for patchy low clouds and fog after midnight. Lows in the lower 60s.
FRIDAY
Areas of low clouds and fog in the morning then sunny. Highs in the mid 80s to around 90.
FRIDAY NIGHT
Mostly clear except for patchy low clouds and fog after midnight. Lows in the mid 60s.
SATURDAY
Areas of low clouds and fog in the morning then sunny. Highs in the mid 80s to around 90.
SATURDAY NIGHT
Mostly clear in the evening then low clouds and fog. Lows in the lower 60s.
SUNDAY
Low clouds and fog in the morning then partly cloudy. Highs in the upper 70s to mid 80s.
SUNDAY NIGHT
Mostly clear in the evening then low clouds and fog. Lows in the mid to upper 50s.

Visible Weather Satellite
WALNUT, CA 91789
Infrared Weather Satellite
WALNUT, CA 91789
NEXRAD Weather Radar
WALNUT, CA 91789

FULLERTON, CA 3 hourly weather forecast

weather forecast created  8:00 PM EDT  5/ 5/2025
Tuesday
6 MAY 2025
WALNUT, CA 91789 weather forecast Day 1, 0 hours 11 PM 59° 60° Partly Cloudy 1%

0% Thunder
( 1% severe)
S   3 53% 42°
Low 56° WALNUT, CA 91789 weather forecast Day 1, 3 hours 2 AM 57° 58° Mostly Cloudy SE   2 64% 45°
High 69° WALNUT, CA 91789 weather forecast Day 1, 6 hours 5 AM 57° 58° Mostly Cloudy 1%

0% Thunder
( 1% severe)
SE   1 57% 42°

Mostly Cloudy



WALNUT, CA 91789 weather forecast Day 1, 9 hours 8 AM 59° 60° Mostly Cloudy S   1 55% 43°
WALNUT, CA 91789 weather forecast Day 1, 12 hours 11 AM 64° 65° Mostly Cloudy 1%

0% Thunder
( 1% severe)
S   5 46% 43°
WALNUT, CA 91789 weather forecast Day 1, 15 hours 2 PM 67° 67° Mostly Cloudy SSW   8 45% 45°
WALNUT, CA 91789 weather forecast Day 1, 18 hours 5 PM 66° 66° Partly Cloudy 1%

0% Thunder
( 0% severe)
SSW   7 47% 45°
WALNUT, CA 91789 weather forecast Day 1, 21 hours 8 PM 61° 61° Partly Cloudy SSW   5 51% 43°
Wednesday
7 MAY 2025
WALNUT, CA 91789 weather forecast Day 2, 0 hours 11 PM 60° 61° Mostly Cloudy 1%

0% Thunder
( 0% severe)
S   1 53% 43°
Low 56° WALNUT, CA 91789 weather forecast Day 2, 3 hours 2 AM 59° 60° Mostly Cloudy   CALM 60% 45°
High 75° WALNUT, CA 91789 weather forecast Day 2, 6 hours 5 AM 58° 59° Mostly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 57% 43°

Decreasing Clouds



WALNUT, CA 91789 weather forecast Day 2, 9 hours 8 AM 60° 61° Partly Cloudy   CALM 55% 44°
WALNUT, CA 91789 weather forecast Day 2, 12 hours 11 AM 67° 67° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   3 43% 44°
WALNUT, CA 91789 weather forecast Day 2, 15 hours 2 PM 73° 73° Clear SW   8 38% 46°
WALNUT, CA 91789 weather forecast Day 2, 18 hours 5 PM 72° 72° Clear 0%

0% Thunder
( 0% severe)
WSW   9 38% 45°
WALNUT, CA 91789 weather forecast Day 2, 21 hours 8 PM 65° 65° Clear WSW   6 46% 44°

FULLERTON, CA extended weather forecast

BAD DAY
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Low 58° Low 59° Low 61° Low 61° Low 62°
High 76° High 85° High 86° High 80° High 74°
WALNUT, CA 91789 weather forecast Day 3 WALNUT, CA 91789 weather forecast Day 4 WALNUT, CA 91789 weather forecast Day 5 WALNUT, CA 91789 weather forecast Day 6 WALNUT, CA 91789 weather forecast Day 7
Partly Cloudy
8% Rain
Clear
Clear
Partly Cloudy
1% Rain
Overcast
4% Rain
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