Skip to content

Santa Ana, California weather

United States · America/Los_Angeles · 33.75, -117.87

“Use my location” asks your browser for your coordinates so we can load your local forecast and any official warnings for your area. Your coordinates are used for that request only: they are not stored on our servers, sold, or used to build a profile. If your browser blocks location, we fall back to an approximate city-level lookup from your IP address.

Santa Ana, CA Weather Today

Current conditions, hourly and 7 day forecast, official severe weather alerts, and air quality for Santa Ana, California. Every section shows where the data came from and when it was last checked.

Your briefing — take action

Santa Ana, California

Right now
Wind Advisory in effect for Orange County Inland.Official warning
Next few hours
No rain in the forecast for the next few hours.Forecast
Your day
  • Best outdoor window: 2 PM to 5 PM.Our reading
  • UV index 6 — sunburn risk during the strongest sun.Observed

What officials say to do

  • Winds this strong can make driving difficult, especially for high profile vehicles.
  • Use extra caution.
  • Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
  • Take extra precautions when outside.
  • Wear lightweight and loose fitting clothing.
  • Try to limit strenuous activities to early morning or evening.

Wording from NWS San Diego CA. Read the official warning

What happens next

  1. NowWind Advisory covers Orange County Inland.Official warning
  2. NextOfficial warning runs until 3:00 AM.Official warning

Official warnings for this location come from NOAA / National Weather Service. Lines marked Our reading are WeatherSignal’s reading of the measurements and forecast, not an official statement.

ADVISORYalert level: AdvisoryWind Advisoryand 2 more official alerts

Santa Ana, California

75°

Partly cloudy

Feels like 75° · High 86° · Low 75°

Partly cloudy sky here right now. Nothing falling.

Mild and partly cloudy this morning. 75° right now. Today's high is 86°.

  • Sunrise 11:00 PM
  • Today's high 86°
  • Rain next 6 hrs 0%

Next few hours

  1. Now

    75°

    —

  2. 7 AM

    75°

    —

  3. 8 AM

    76°

    —

  4. 9 AM

    80°

    —

  5. 10 AM

    85°

    —

Rain chance
0%
Wind
4 mph SSE
Humidity
35%
Air quality
No reading
11:00 PM 11:00 AM Dew point 46° Cloud cover 93%

Source updated: 2:14:48 PM · WeatherSignal checked: 2:14:48 PM

Source: Open-Meteo (national weather-service models)

What matters today

Six quick answers for Santa Ana. Tap Why? on any of them to see the reasoning.

Umbrella

Nah (Good)

Best time

7 AM (Good)

Dog walk

7 AM (Good)

Car wash

Go for it (Good)

Cookout

Green light (Good)

Windows

Roll 'em down (Good)

Today's Signal

Good day

84/100

Mostly favorable, but the wind and poor visibility will make it less comfortable outside.

Visibility 0.0 mi · Active Wind Advisory

Today is about 11° warmer than the rest of the week.

See exactly how this number was worked out

Every location starts at 100. Points come off for heat, cold, rain, wind, UV, humidity, poor visibility, and any official alert. Nothing is ever added back.

  • Starting score100
  • Visibility 0.0 mi-10
  • Active Wind Advisory-6
  • Final Signal84
Full methodology

Next 12 hours

No big swings coming in the next 12 hours.

  • 7 AMCoolest stretch · 75°
  • 11 AMWarmest stretch · 86°
  • 11 AMSunset
75°76°80°85°86°86°84°85°85°85°82°78°
  1. 7 AM—75 degrees, 0 percent chance of rain
  2. 8 AM—76 degrees, 0 percent chance of rain
  3. 9 AM—80 degrees, 0 percent chance of rain
  4. 10 AM—85 degrees, 0 percent chance of rain
  5. 11 AM—86 degrees, 0 percent chance of rain
  6. 12 PM—86 degrees, 0 percent chance of rain
  7. 1 PM—84 degrees, 0 percent chance of rain
  8. 2 PM—85 degrees, 0 percent chance of rain
  9. 3 PM—85 degrees, 0 percent chance of rain
  10. 4 PM—85 degrees, 0 percent chance of rain
  11. 5 PM—82 degrees, 0 percent chance of rain
  12. 6 PM—78 degrees, 0 percent chance of rain

The line is temperature by hour. The number under each hour is the chance of rain. Scroll sideways for the full 12 hours.

Next change

Nothing major changes for a while

Temperatures hold between about 75° and 86°. There is no meaningful rain signal in the next several hours.

WeatherSignal NOW: Santa Ana, California

One number for everything happening around you, from 0 to 100.

Keep me safe

92

NORMAL

Nothing here needs your attention right now.

Tap any line to see exactly what added or subtracted points. Every rule is published on our methodology page. This is an informational signal, not a safety rating: official warnings always come first.

What this means

Generated from the forecast values above using fixed rules: not an AI guess.

  • A Wind Advisory issued by NWS San Diego CA is active for Orange County Inland.
  • No significant precipitation is expected in the next 24 hours.

Next 24 hours

Will it rain during your commute? When does the storm arrive?

See all 48 hours (2 days) — free

Hourly forecast for the next 24 hours
TimeConditionTempFeelsPrecip %AmountWindHumidity
7 AMPartly cloudy75°75°0%0.00″4 SSE35%
8 AMPartly cloudy76°76°0%0.00″4 SSW33%
9 AMPartly cloudy80°80°0%0.00″7 SW29%
10 AMPartly cloudy85°85°0%0.00″7 WNW22%
11 AMOvercast86°86°0%0.00″7 W20%
12 PMPartly cloudy86°86°0%0.00″7 WSW22%
1 PMPartly cloudy84°84°0%0.00″8 WSW29%
2 PMOvercast85°85°0%0.00″8 WSW29%
3 PMOvercast85°85°0%0.00″10 WSW30%
4 PMOvercast85°85°0%0.00″9 WSW28%
5 PMOvercast82°82°0%0.00″7 WSW33%
6 PMOvercast78°78°0%0.00″6 SW41%
7 PMOvercast77°77°0%0.00″5 WSW46%
8 PMOvercast77°77°0%0.00″6 W49%
9 PMOvercast77°77°0%0.00″5 WSW50%
10 PMPartly cloudy76°76°0%0.00″4 NNW50%
11 PMPartly cloudy75°75°0%0.00″3 WNW50%
12 AMPartly cloudy75°75°0%0.00″4 W52%
1 AMPartly cloudy73°73°0%0.00″4 SSE56%
2 AMClear sky72°72°0%0.00″2 SSE57%
3 AMClear sky71°71°0%0.00″2 SSW60%
4 AMClear sky70°70°0%0.00″4 W66%
5 AMClear sky69°69°0%0.00″3 W68%
6 AMClear sky68°68°0%0.00″3 NE66%

7-day forecast

Confidence decreases the further out you look.

  • Today

    Partly cloudy

    86° / 75°

    Precip:
    0% · 0.00″
    Wind:
    10 mph
    UV:
    6.0
    Sun:
    11 PM to 11 AM
  • Sun, Oct 18

    Clear sky

    83° / 68°

    Precip:
    0% · 0.00″
    Wind:
    9 mph
    UV:
    5.9
    Sun:
    11 PM to 11 AM
  • Mon, Oct 19

    Clear sky

    80° / 64°

    Precip:
    0% · 0.00″
    Wind:
    9 mph
    UV:
    5.6
    Sun:
    11 PM to 11 AM
  • Tue, Oct 20

    Clear sky

    75° / 63°

    Precip:
    0% · 0.00″
    Wind:
    8 mph
    UV:
    0.4
    Sun:
    11 PM to 11 AM
  • Wed, Oct 21

    Clear sky

    76° / 62°

    Precip:
    0% · 0.00″
    Wind:
    5 mph
    UV:
    0.0
    Sun:
    11 PM to 11 AM

    Lower confidence: long-range outlook, not a certainty.

  • Thu, Oct 22

    Clear sky

    67° / 60°

    Precip:
    0% · 0.00″
    Wind:
    7 mph
    UV:
    0.0
    Sun:
    11 PM to 11 AM

    Lower confidence: long-range outlook, not a certainty.

  • Fri, Oct 23

    Clear sky

    68° / 57°

    Precip:
    0% · 0.00″
    Wind:
    2 mph
    UV:
    0.0
    Sun:
    11 PM to 11 AM

    Lower confidence: long-range outlook, not a certainty.

Forecasts describe likely conditions, not guaranteed outcomes. Official warnings from your national weather service always take precedence over anything shown here.

Weather near Santa Ana

Weather Signal is free for everyone. Donations keep it running, and a portion goes to our Community Relief program, which helps a household with an essential bill at the end of the month. Members can enter for free without donating.

Donate