Weather forecast for todaySanta Ana, CA

Weather forecast for today

Current condition 5:46 am PDT

  • 79°F
  • Feels like:
    79°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 4mphSSE 150°
  • Humidity: 29%
  • Dewpoint: 43°F
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
In Santa Ana, at the moment, an endless stretch of blue sky remains completely clear.
The temperature is a warm 78.8°F. The current temperature is relatively far from the maximum of 89.6°F anticipated for today.

Saturday Oct 17, 2026

  • 90°F
  • 66°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 8mphESE 115°
  • Humidity: 22%
  • UV index: 5
  • Sunrise: 6:58 am PDT
  • Sunset: 6:15 pm PDT
  • ▼
Today, on Saturday, October 17, gray skies will define the day.
Temperatures will oscillate between a humid 89.6°F at their highest and a comfortable 66.2°F at their lowest.
Today, meteorological data suggests the high will feel more like September, based on a forecast of 89.6°F.
Sunrise will be at 6:58 am and sunset at 6:15 pm; the daylight will last for 11h and 17min.

Hourly overview

Hourly temperatures

Warmest hour: 12 pm 90°C.
Coldest hour: 12 am 73°C.

Chance of precipitation

Highest chance: 6 am 6%.

Hourly weather forecast

  • 6 am
  • 77°F
  • Feels like:
    77°F
Clear
Clear
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphENE 62°
  • Humidity: 29%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 6:58 am
  • 8 am
  • 77°F
  • Feels like:
    77°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 5mphENE 66°
  • Humidity: 29%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 84°F
  • Feels like:
    84°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphE 80°
  • Humidity: 22%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 90°F
  • Feels like:
    90°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphESE 102°
  • Humidity: 18%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
  • 2 pm
  • 88°F
  • Feels like:
    88°F
Cloudy
Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphS 179°
  • Humidity: 18%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 86°F
  • Feels like:
    86°F
Cloudy
Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSSW 205°
  • Humidity: 20%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 82°F
  • Feels like:
    82°F
Cloudy
Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSE 132°
  • Humidity: 25%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:15 pm
  • 8 pm
  • 79°F
  • Feels like:
    79°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSSE 149°
  • Humidity: 34%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 75°F
  • Feels like:
    75°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphSE 141°
  • Humidity: 39%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, primarily cloudy and occasionally mostly clear weather is anticipated.
The temperature will be between the highest temperature of 89.6°F and the lowest temperature of 75.2°F. The hottest part of the day will be at noon and 1 pm.
Today, the forecasted maximum will be more alike with September's average high of 81.7°F than October's 76.6°F. Today, the low will be moderately higher than the usual October value of 61°F.
Updated: Oct 17, 2026 @ 12:46:01 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (5:46 am PDT) is 78.8°F.

Today, the sky will be mainly overcast.

Today, the maximum temperature will be 89.6°F, while the minimum temperature will be 66.2°F.
The maximum temperature today will be significantly higher than the average highest temperature of 76.6°F in October. The lowest temperature today will be relatively higher than the average low temperature.

On Saturday, in Santa Ana, sunrise will be at 6:58 am and sunset at 6:15 pm (PDT).

Today, the daylight will last for 11h and 17min.