Hourly Weather | Tomorrow Wednesday, February 4, 2026
Active Weather Warnings
Santa Ana, California
12 AM
Night
57°
Feels Like 55°
0
Humidity: 48%
Wind: 6 mph
UV Index: 0
1 AM
Night
55°
Feels Like 54°
0
Humidity: 46%
Wind: 6 mph
UV Index: 0
2 AM
Night
57°
Feels Like 55°
0
Humidity: 43%
Wind: 7 mph
UV Index: 0
3 AM
Night
55°
Feels Like 54°
0
Humidity: 43%
Wind: 7 mph
UV Index: 0
4 AM
Night
54°
Feels Like 50°
0
Humidity: 46%
Wind: 7 mph
UV Index: 0
5 AM
Night
55°
Feels Like 54°
0
Humidity: 42%
Wind: 6 mph
UV Index: 0
6 AM
Night
55°
Feels Like 54°
0
Humidity: 39%
Wind: 6 mph
UV Index: 0
7 AM
Sunny Weather
57°
Feels Like 54°
0
Humidity: 37%
Wind: 8 mph
UV Index: 0
8 AM
Sunny Weather
61°
Feels Like 59°
0
Humidity: 34%
Wind: 8 mph
UV Index: 1
9 AM
Sunny Weather
68°
Feels Like 68°
0
Humidity: 27%
Wind: 8 mph
UV Index: 2
10 AM
Sunny Weather
75°
Feels Like 77°
0
Humidity: 20%
Wind: 8 mph
UV Index: 3
11 AM
Sunny Weather
81°
Feels Like 82°
0
Humidity: 18%
Wind: 7 mph
UV Index: 4
12 PM
Sunny Weather
82°
Feels Like 84°
0
Humidity: 16%
Wind: 7 mph
UV Index: 4
1 PM
Sunny Weather
86°
Feels Like 88°
0
Humidity: 15%
Wind: 7 mph
UV Index: 4
2 PM
Sunny Weather
88°
Feels Like 90°
0
Humidity: 13%
Wind: 7 mph
UV Index: 3
3 PM
Sunny Weather
90°
Feels Like 90°
0
Humidity: 13%
Wind: 8 mph
UV Index: 2
4 PM
Sunny Weather
88°
Feels Like 86°
0
Humidity: 14%
Wind: 8 mph
UV Index: 1
5 PM
Sunny Weather
84°
Feels Like 81°
0
Humidity: 16%
Wind: 8 mph
UV Index: 0
6 PM
Night
81°
Feels Like 77°
0
Humidity: 18%
Wind: 8 mph
UV Index: 0
7 PM
Cloudy Night
77°
Feels Like 75°
0
Humidity: 20%
Wind: 6 mph
UV Index: 0
8 PM
Cloudy Night
73°
Feels Like 72°
0
Humidity: 22%
Wind: 7 mph
UV Index: 0
9 PM
Cloudy Night
72°
Feels Like 70°
0
Humidity: 24%
Wind: 8 mph
UV Index: 0
10 PM
Cloudy Night
70°
Feels Like 66°
0
Humidity: 26%
Wind: 8 mph
UV Index: 0
11 PM
Cloudy Night
68°
Feels Like 66°
0
Humidity: 27%
Wind: 8 mph
UV Index: 0

Weather Alerts and Warnings for Santa Ana

Air Quality Alert

Air Quality Alert issued February 3 at 4:51PM PST by NWS San Diego CA
Feb 3, 4:51 PM Feb 4, 11:00 PM
WHAT: The South Coast AQMD has issued an air quality alert due to
harmful levels of particle pollution from windblown dust. Visit
https://www.aqmd.gov/alertinfo to check current and forecasted air
quality levels.

WHERE: In parts of the Inland Empire, Orange County, and South
Coastal LA County. Levels of particle pollution can vary by time
and location depending on emissions and local weather conditions.

WHEN: Until 11 PM Wednesday.

IMPACTS: Particle pollution can get deep into the lungs and cause
serious health problems such as asthma attacks, heart and lung
disease symptoms, and increased risk of lung infections. Everyone
can be affected, but sensitive groups such as people with lung or
heart disease, older adults, people who are pregnant, children, and
those who spend a lot of time outdoors are at greater risk.
+ Read More
To protect your health, check air quality levels and act as needed: * When Air Quality Index (AQI) levels are "Unhealthy for Sensitive Groups" (orange), sensitive groups as specified above should limit extended or intense outdoor activity. * When AQI is "Unhealthy" (red), everyone may experience health impacts. Sensitive groups should avoid extended time outdoors. * When AQI is "Very Unhealthy" (purple), sensitive groups should avoid all outdoor physical activity. Everyone else should avoid extended or intense outdoor activity. * When AQI is "Hazardous" (maroon), everyone should avoid all outdoor physical activity. * ADDITIONAL DETAILS... To help keep indoor air clean when air quality is poor: * Keep windows and doors closed * Run your air conditioner and/or an air purifier * Do not use whole house fans or swamp coolers that bring in outside air if you have other methods to stay cool * Avoid other sources of pollution such as fireplaces, candles, incense, grilling, and gasoline-powered lawn and garden equipment To help minimize outdoor particle pollution levels: * Carpool, telecommute, reduce trips, or take public transportation * Slow down if driving on dirt roads * Stabilize loose soils
Updated: Feb 3, 6:07 PM Source: NWS Alert