Tomorrow Hourly Weather Forecast for Fullerton, CA

Hourly Weather | Tomorrow › Thursday, February 5, 2026

Active Weather Warnings

Wind Advisory

Fullerton, California

12 AM

64°

Feels Like 61°

Humidity: 29%

UV Index: 0

Wind: 13 mph

1 AM

63°

Feels Like 57°

Humidity: 30%

UV Index: 0

Wind: 15 mph

2 AM

63°

Feels Like 57°

Humidity: 31%

UV Index: 0

Wind: 15 mph

3 AM

61°

Feels Like 55°

Humidity: 30%

UV Index: 0

Wind: 15 mph

4 AM

61°

Feels Like 55°

Humidity: 31%

UV Index: 0

Wind: 15 mph

5 AM

59°

Feels Like 54°

Humidity: 32%

UV Index: 0

Wind: 15 mph

6 AM

57°

Feels Like 52°

Humidity: 34%

UV Index: 0

Wind: 14 mph

7 AM

55°

Feels Like 48°

Humidity: 36%

UV Index: 0

Wind: 20 mph

8 AM

59°

Feels Like 54°

Humidity: 34%

UV Index: 1

Wind: 20 mph

9 AM

64°

Feels Like 63°

Humidity: 28%

UV Index: 2

Wind: 20 mph

10 AM

72°

Feels Like 70°

Humidity: 24%

UV Index: 3

Wind: 20 mph

11 AM

73°

Feels Like 73°

Humidity: 22%

UV Index: 4

Wind: 20 mph

12 PM

77°

Feels Like 75°

Humidity: 20%

UV Index: 3

Wind: 21 mph

1 PM

81°

Feels Like 77°

Humidity: 18%

UV Index: 2

Wind: 20 mph

2 PM

79°

Feels Like 75°

Humidity: 20%

UV Index: 1

Wind: 20 mph

3 PM

79°

Feels Like 73°

Humidity: 22%

UV Index: 1

Wind: 20 mph

4 PM

75°

Feels Like 72°

Humidity: 26%

UV Index: 0

Wind: 20 mph

5 PM

73°

Feels Like 68°

Humidity: 32%

UV Index: 0

Wind: 20 mph

6 PM

70°

Feels Like 66°

Humidity: 40%

UV Index: 0

Wind: 18 mph

7 PM

66°

Feels Like 64°

Humidity: 49%

UV Index: 0

Wind: 5 mph

8 PM

64°

Feels Like 63°

Humidity: 57%

UV Index: 0

Wind: 6 mph

9 PM

61°

Feels Like 59°

Humidity: 64%

UV Index: 0

Wind: 6 mph

10 PM

61°

Feels Like 59°

Humidity: 66%

UV Index: 0

Wind: 6 mph

11 PM

61°

Feels Like 61°

Humidity: 66%

UV Index: 0

Wind: 6 mph

Weather Alerts and Warnings for Fullerton

Moderate Expected Likely

Wind Advisory

Wind Advisory issued February 4 at 12:24PM PST until February 5 at 12:00PM PST by NWS San Diego CA

Feb 4, 12:24 PM → Feb 5, 12:00 PM

WHAT: Northeast winds 20 to 30 mph with gusts up to 45 mph
expected. Isolated gusts to 55 mph.

WHERE: Orange County Inland Areas, Riverside County Mountains,
San Bernardino County Mountains, San Bernardino and Riverside
County Valleys-The Inland Empire, San Diego County Mountains, San
Diego County Valleys, San Gorgonio Pass near Banning, and Santa
Ana Mountains and Foothills.

WHEN: Until noon PST Thursday.

IMPACTS: Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.

+ Read More

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.

Updated: Feb 4, 4:51 PM Source: NWS Alert