Current Weather Forecast for Walnut

CA 91788  |   2:32pm

Weather Conditions

71°

Feels Like 71°

Haze

57° 73°

4

UV Index

Moderate

Air Quality

SSW 5 mph

Wind

0 in

rain

Today

Sat 10/25

73°

Highest Temperature

1%

Sun and clouds mixed. High 73F. Winds SW at 5 to 10 mph.

Tonight

Sat 10/25

55°

Lowest Temperature

8%

Partly cloudy this evening, then becoming cloudy after midnight. Low near 55F. Winds light and variable.

Tomorrow

Sun 10/26

77°

Highest Temperature

14%

Partly cloudy skies. High 77F. Winds SW at 5 to 10 mph.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in Walnut

Hourly Weather Forecast & Temperature

3PM

72°

Feels Like 72°

Sunny

WSW 6 mph

Wind

1015 mb

Pressure

59%

Humidity

3

UV Index

4mi

Visibility

18%

Cloud Cover

4PM

73°

Feels Like 73°

Sunny

WSW 6 mph

Wind

1014 mb

Pressure

56%

Humidity

1

UV Index

5mi

Visibility

12%

Cloud Cover

5PM

1%

71°

Feels Like 71°

Partly Cloudy

SW 7 mph

Wind

1014 mb

Pressure

61%

Humidity

0

UV Index

6mi

Visibility

35%

Cloud Cover

6PM

1%

70°

Feels Like 70°

Partly Cloudy

SW 7 mph

Wind

1015 mb

Pressure

60%

Humidity

0

UV Index

9mi

Visibility

59%

Cloud Cover

7PM

2%

67°

Feels Like 67°

Partly Cloudy

WSW 6 mph

Wind

1015 mb

Pressure

68%

Humidity

0

UV Index

9mi

Visibility

41%

Cloud Cover

8PM

2%

64°

Feels Like 64°

Partly Cloudy

WSW 4 mph

Wind

1016 mb

Pressure

77%

Humidity

0

UV Index

10mi

Visibility

53%

Cloud Cover

9PM

4%

63°

Feels Like 63°

Partly Cloudy

WSW 3 mph

Wind

1016 mb

Pressure

81%

Humidity

0

UV Index

8mi

Visibility

46%

Cloud Cover

10PM

7%

62°

Feels Like 62°

Mostly Cloudy

SW 2 mph

Wind

1016 mb

Pressure

84%

Humidity

0

UV Index

9mi

Visibility

62%

Cloud Cover

11PM

7%

61°

Feels Like 61°

Mostly Cloudy

S 2 mph

Wind

1016 mb

Pressure

85%

Humidity

0

UV Index

9mi

Visibility

78%

Cloud Cover

12AM

7%

60°

Feels Like 60°

Mostly Cloudy

SSE 2 mph

Wind

1016 mb

Pressure

86%

Humidity

0

UV Index

4mi

Visibility

68%

Cloud Cover

1AM

7%

60°

Feels Like 60°

Cloudy

SE 2 mph

Wind

1016 mb

Pressure

86%

Humidity

0

UV Index

4mi

Visibility

82%

Cloud Cover

2AM

7%

59°

Feels Like 59°

Cloudy

ENE 2 mph

Wind

1016 mb

Pressure

87%

Humidity

0

UV Index

4mi

Visibility

85%

Cloud Cover

Sat 10/25

Sat

1%

57°

73°

Times of sun and clouds. Highs in the low 70s and lows in the mid 50s.

73°

Feels Like

SW 7 mph

Wind

60%

Humidity

4

UV Index

7:05 AM

Sunrise

6:05 PM

Sunset

Sun 10/26

Sun

14%

55°

77°

Times of sun and clouds. Highs in the upper 70s and lows in the mid 50s.

77°

Feels Like

SW 8 mph

Wind

65%

Humidity

5

UV Index

7:06 AM

Sunrise

6:04 PM

Sunset

Mon 10/27

Mon

7%

55°

81°

Times of sun and clouds. Highs in the low 80s and lows in the upper 50s.

81°

Feels Like

SW 6 mph

Wind

58%

Humidity

5

UV Index

7:06 AM

Sunrise

6:03 PM

Sunset

Tue 10/28

Tue

59°

94°

Sunshine. Highs in the mid 90s and lows in the low 60s.

94°

Feels Like

NNE 5 mph

Wind

27%

Humidity

5

UV Index

7:07 AM

Sunrise

6:02 PM

Sunset

Wed 10/29

Wed

62°

94°

Abundant sunshine. Highs in the mid 90s and lows in the low 60s.

94°

Feels Like

NNW 5 mph

Wind

21%

Humidity

5

UV Index

7:08 AM

Sunrise

6:01 PM

Sunset

Thu 10/30

Thu

61°

91°

Abundant sunshine. Highs in the low 90s and lows in the upper 50s.

91°

Feels Like

SSW 6 mph

Wind

24%

Humidity

5

UV Index

7:09 AM

Sunrise

6:00 PM

Sunset

Fri 10/31

Fri

1%

58°

88°

Plenty of sun. Highs in the upper 80s and lows in the upper 50s.

88°

Feels Like

SSW 7 mph

Wind

33%

Humidity

5

UV Index

7:10 AM

Sunrise

5:59 PM

Sunset

Sat 11/1

Sat

58°

87°

Abundant sunshine. Highs in the upper 80s and lows in the upper 50s.

87°

Feels Like

SSW 7 mph

Wind

32%

Humidity

5

UV Index

7:11 AM

Sunrise

5:58 PM

Sunset

Need to see beyond 12 Hours?

Find more forecast on the FREE FOX WEATHER App

GO TO APP STORE

Latest Stories from California

Atmospheric river forecast to bring deluge of rain, snow and potential flooding to Pacific Northwest

The Pacific Northwest will face an even more powerful atmospheric river that is set to slam into the region beginning Friday. After an initial round of stormy weather that began last weekend, this upcoming atmospheric river could drop several inches of rain in coastal areas and several feet of snow at higher elevations when all is said and done.

Daily Weather Update from FOX Weather: Tropical Storm Melissa to become catastrophic Category 4 hurricane

Top weather news for Thursday, Oct. 23, 2025: Tropical Storm Melissa is forecast to become a catastrophic Category 4 hurricane in the Caribbean by early next week. Meanwhile, lake-effect rain continues to soak Great Lakes metro areas, including Buffalo and Cleveland.

Billion-dollar disaster database gets new life with Climate Central

A climate nonprofit has taken up the helm of NOAA's recently retired Billion-Dollar Weather and Climate Disasters database after the agency retired the website tracking the most expensive and devastating weather and climate disasters.

United flight’s windshield may have cracked after plane hit weather balloon, company says

A United Airlines flight that was forced to divert to Salt Lake City last week after its windshield cracked may have hit a weather balloon while cruising at 36,000 feet, according to officials.

Load More Stories