Walnut, California Weather
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Weather Forecast for Walnut, California : Los Angeles County
Issued: 6:00 am PDT May 4, 2025 Latitude: 34.0202894 Longitude: -117.8653386 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Monday Tuesday Wednesday Thursday Friday Saturday
40% chance of thunderstorms on Today 20% chance of rain on Tonight Mostly Cloudy on Monday Morning Fog on Tuesday Morning Fog on Wednesday Morning Fog on Thursday Patchy Fog on Friday Patchy Fog on Saturday
High: 65°F Low: 54°F High: 66°F High: 70°F High: 77°F High: 84°F High: 87°F High: 87°F
Low: 53°F Low: 55°F Low: 56°F Low: 60°F Low: 61°F  
Thunderstorms Rain Mostly Cloudy Morning Fog Morning Fog Morning Fog Patchy Fog Patchy Fog
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Current Conditions at
FULLERTON - (KFUL)
57°
Cloudy
as of 7:53 AM PDST
Rel. Humidity: 38%
Dew Point: 32°F
Visibility: 8 Miles
Pressure: 29.78 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 1900ft
Current Conditions at
CHINO - (KCNO)
55°
Cloudy
Mist
as of 7:53 AM PDST
Rel. Humidity: 87%
Dew Point: 52°F
Visibility: 3 Miles
Pressure: 29.79 in.
Flight Rule: MVFR
Wind Data
12 MPH
290° West
Cloud Level(s): Broken at 1000ft, Broken at 2600ft, Solid Overcast at 4100ft
Current Conditions at
ONTARIO - (KONT)
54°
Cloudy
Light Rain Mist
as of 8:02 AM PDST
Rel. Humidity: 93%
Dew Point: 52°F
Visibility: 5 Miles
Pressure: 29.77 in.
Flight Rule: MVFR
Wind Data
6 MPH
260° West
Cloud Level(s): Few at 800ft, Solid Overcast at 1400ft
Current Conditions at
LONG BEACH - (KLGB)
57°
Cloudy
as of 7:53 AM PDST
Rel. Humidity: 82%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 29.77 in.
Flight Rule: MVFR
Wind Data
3 MPH
340° North
Cloud Level(s): Broken at 1800ft, Solid Overcast at 2400ft
40% chance of thunderstorms Today Today... A chance of showers, with thunderstorms also possible after 11am. Cloudy, with a high near 65. South wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
20% chance of rain Tonight Tonight... A 20 percent chance of showers. Mostly cloudy, with a low around 54. South wind 5 to 10 mph.
Mostly Cloudy on Monday Monday... Mostly cloudy, with a high near 66. Calm wind becoming south southwest around 5 mph in the afternoon.
Patchy Fog on Monday Night Monday Night... Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 53. South southwest wind 5 to 10 mph.
Morning Fog on Tuesday Tuesday... Patchy fog before 11am. Otherwise, partly sunny, with a high near 70. Calm wind becoming southwest around 5 mph in the afternoon.
Patchy Fog on Tuesday Night Tuesday Night... Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 55.
Morning Fog on Wednesday Wednesday... Patchy fog before 11am. Otherwise, mostly sunny, with a high near 77.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 56.
Morning Fog on Thursday Thursday... Patchy fog before 11am. Otherwise, mostly sunny, with a high near 84.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 60.
Patchy Fog on Friday Friday... Patchy fog. Otherwise, partly sunny, with a high near 87.
Patchy Fog on Friday Night Friday Night... Patchy fog. Otherwise, mostly cloudy, with a low around 61.
Patchy Fog on Saturday Saturday... Patchy fog. Otherwise, mostly sunny, with a high near 87.
Current Radar Image


Sun Almanac for Walnut, California
Sunrise: 05:59 AM
Sunset: 7:38 PM
Civil Sunrise:05:32 AM
Civil Sunset: 8:05 PM
Nautical Sunrise: 04:59 AM
Nautical Sunset: 8:37 PM
Astro Sunrise: 04:25 AM
Astro Sunset: 9:11 PM
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