Current Weather Forecast for Fullerton

CA 92832  |   11:50am

Weather Conditions

86°

Feels Like 90°

Sunny

69° 90° EXTREME HEAT

EXTREME HEAT

10

UV Index

Moderate

Air Quality

SSW 4 mph

Wind

0 in

rain

Today

Sun 8/2

90°

Highest Temperature

Abundant sunshine. High around 90F. Winds SW at 5 to 10 mph.

Tonight

Sun 8/2

68°

Lowest Temperature

20%

A few passing clouds, otherwise generally clear. Low 68F. Winds SSW at 5 to 10 mph.

Tomorrow

Mon 8/3

89°

Highest Temperature

7%

Partly cloudy skies. High 89F. Winds SSW at 5 to 10 mph.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in Fullerton

Hourly Weather Forecast & Temperature

12PM

88°

Feels Like 91°

EXTREME HEAT

Sunny

SW 5 mph

Wind

1010 mb

Pressure

47%

Humidity

10

UV Index

10mi

Visibility

0%

Cloud Cover

1PM

89°

Feels Like 92°

EXTREME HEAT

Sunny

SW 7 mph

Wind

1010 mb

Pressure

44%

Humidity

11

UV Index

10mi

Visibility

0%

Cloud Cover

2PM

91°

Feels Like 93°

EXTREME HEAT

Sunny

SW 7 mph

Wind

1009 mb

Pressure

40%

Humidity

10

UV Index

10mi

Visibility

0%

Cloud Cover

3PM

91°

Feels Like 92°

EXTREME HEAT

Sunny

SW 8 mph

Wind

1008 mb

Pressure

37%

Humidity

8

UV Index

10mi

Visibility

0%

Cloud Cover

4PM

91°

Feels Like 92°

EXTREME HEAT

Sunny

SW 8 mph

Wind

1008 mb

Pressure

37%

Humidity

5

UV Index

10mi

Visibility

0%

Cloud Cover

5PM

90°

Feels Like 91°

EXTREME HEAT

Sunny

SW 8 mph

Wind

1007 mb

Pressure

38%

Humidity

3

UV Index

10mi

Visibility

0%

Cloud Cover

6PM

87°

Feels Like 89°

EXTREME HEAT

Sunny

SW 8 mph

Wind

1007 mb

Pressure

41%

Humidity

1

UV Index

10mi

Visibility

0%

Cloud Cover

7PM

82°

Feels Like 84°

EXTREME HEAT

Sunny

SSW 8 mph

Wind

1007 mb

Pressure

49%

Humidity

0

UV Index

10mi

Visibility

1%

Cloud Cover

8PM

78°

Feels Like 81°

EXTREME HEAT

Clear

SSW 7 mph

Wind

1008 mb

Pressure

59%

Humidity

0

UV Index

10mi

Visibility

1%

Cloud Cover

9PM

2%

75°

Feels Like 76°

Clear

SSW 6 mph

Wind

1009 mb

Pressure

68%

Humidity

0

UV Index

10mi

Visibility

1%

Cloud Cover

10PM

4%

74°

Feels Like 75°

Mostly Clear

SSW 5 mph

Wind

1009 mb

Pressure

75%

Humidity

0

UV Index

10mi

Visibility

21%

Cloud Cover

11PM

5%

72°

Feels Like 74°

Mostly Clear

SSW 5 mph

Wind

1009 mb

Pressure

79%

Humidity

0

UV Index

10mi

Visibility

22%

Cloud Cover

Sun 8/2

Sun

69°

90°

EXTREME HEAT

Mainly sunny. Highs in the low 90s and lows in the upper 60s.

92°

Feels Like

SW 9 mph

Wind

44%

Humidity

11

UV Index

6:04 AM

Sunrise

7:50 PM

Sunset

Mon 8/3

Mon

7%

68°

89°

Partly cloudy. Highs in the upper 80s and lows in the upper 60s.

90°

Feels Like

SSW 9 mph

Wind

58%

Humidity

11

UV Index

6:05 AM

Sunrise

7:50 PM

Sunset

Tue 8/4

Tue

7%

67°

86°

Partly cloudy. Highs in the mid 80s and lows in the upper 60s.

86°

Feels Like

SW 9 mph

Wind

62%

Humidity

11

UV Index

6:05 AM

Sunrise

7:49 PM

Sunset

Wed 8/5

Wed

5%

67°

86°

Times of sun and clouds. Highs in the mid 80s and lows in the upper 60s.

86°

Feels Like

SW 9 mph

Wind

61%

Humidity

11

UV Index

6:06 AM

Sunrise

7:48 PM

Sunset

Thu 8/6

Thu

4%

67°

86°

Mainly sunny. Highs in the mid 80s and lows in the upper 60s.

86°

Feels Like

SW 9 mph

Wind

59%

Humidity

11

UV Index

6:07 AM

Sunrise

7:47 PM

Sunset

Fri 8/7

Fri

3%

68°

87°

Mainly sunny. Highs in the upper 80s and lows in the upper 60s.

87°

Feels Like

SW 9 mph

Wind

56%

Humidity

11

UV Index

6:08 AM

Sunrise

7:46 PM

Sunset

Sat 8/8

Sat

2%

69°

87°

Sunshine. Highs in the upper 80s and lows in the upper 60s.

88°

Feels Like

SSW 9 mph

Wind

59%

Humidity

11

UV Index

6:08 AM

Sunrise

7:45 PM

Sunset

Sun 8/9

Sun

3%

69°

87°

Mainly sunny. Highs in the upper 80s and lows in the upper 60s.

88°

Feels Like

SSW 9 mph

Wind

61%

Humidity

10

UV Index

6:09 AM

Sunrise

7:44 PM

Sunset

Plans up in the air? We'll help you weather-proof them. Get the FREE FOX Weather app.

Download the App

Looking for homes in this area?

• 933 Boxwood Ave, Fullerton, CA 92835
• 1622 W Hill Ave, Fullerton, CA 92833
• 1201 W Valencia Dr #69, Fullerton, CA 92833

Sponsored by Redfin. Housing data supplied by Redfin independent of FOX Weather.

Latest Stories from California

Watch: Two rattlesnakes ‘dance’ on busy street as Southern California sees spike in bite cases

Video captured in Southern California shows two large rattlesnakes fighting near a storm drain in Thousand Oaks on Tuesday, highlighting a broader, unsettling surge in snake encounters across the region.

Genevieve weakens after becoming first Category 5 in Eastern Pacific since 2024

Genevieve weakened to a Category 1 hurricane Thursday morning after becoming the Eastern Pacific's first Category 5 storm since 2024.

Millions under heat alerts as life-threatening heat dome bakes the West with triple-digit temperatures

The heat dome that has plagued the Central and Southern Plains for the last several days is retreating back to the West, bringing extreme triple-digit temperatures to the Four Corners and Desert Southwest.

Northern California rattled by magnitude 4.3 earthquake along Pacific Ring of Fire

A magnitude 4.3 earthquake rattled Northern California on Tuesday night, marking the latest quake to happen along the Pacific Ring of Fire.

Load More Stories