Weather forecast for 10 daysSanta Ana, CA
Weather forecast for the weekend
Saturday Oct 17, 2026
- 90°F
- 66°F
Mostly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 7mphSE 129°
- Humidity: 22%
- UV index: 5
- Sunrise: 6:58 am PDT
- Sunset: 6:15 pm PDT
- details ▼
On Saturday, October 17, a dense overcast layer will shape the day’s outlook.
Predicted temperature values will span from a tropical 89.6°F down to a breezy 66.2°F.
Temperatures are higher than average, more in line with September's norm of 81.7°F than with October's 76.6°F.
Sunrise will be at 6:58 am and sunset at 6:15 pm; the daylight will last for 11h and 17min.
Predicted temperature values will span from a tropical 89.6°F down to a breezy 66.2°F.
Temperatures are higher than average, more in line with September's norm of 81.7°F than with October's 76.6°F.
Sunrise will be at 6:58 am and sunset at 6:15 pm; the daylight will last for 11h and 17min.
Sunday Oct 18, 2026
- 84°F
- 64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphSSW 199°
- Humidity: 38%
- UV index: 6
- Sunrise: 6:59 am PDT
- Sunset: 6:14 pm PDT
- details ▼
On Sunday, October 18, clear and sunny conditions are also expected.
The temperature is predicted to vary between a maximum of a warm 84.2°F and a minimum of an enjoyable 64.4°F.
The anticipated high is hotter and better reflects September's normal temperature profile than that of October.
Sunrise will be at 6:59 am and sunset at 6:14 pm; tomorrow's daylight will last for 11h and 15min.
The temperature is predicted to vary between a maximum of a warm 84.2°F and a minimum of an enjoyable 64.4°F.
The anticipated high is hotter and better reflects September's normal temperature profile than that of October.
Sunrise will be at 6:59 am and sunset at 6:14 pm; tomorrow's daylight will last for 11h and 15min.
10-day overview
Daily temperatures
Warmest day: today 90°C.
Coldest day: Thursday 70°C.
Coldest day: Thursday 70°C.
Chance of precipitation
Highest chance: Thursday 75%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- 90°F
- 66°F
Mostly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 7mphSE 129°
- Humidity: 22%
- UV index: 5
- Sunrise: 6:58 am PDT
- Sunset: 6:15 pm PDT
- details ▼
- Sunday
- Oct 18, 2026
- 84°F
- 64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphSSW 199°
- Humidity: 38%
- UV index: 6
- Sunrise: 6:59 am PDT
- Sunset: 6:14 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 81°F
- 63°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 9mphS 189°
- Humidity: 61%
- UV index: 6
- Sunrise: 6:59 am PDT
- Sunset: 6:12 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 79°F
- 61°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 9mphSSW 198°
- Humidity: 60%
- UV index: 6
- Sunrise: 7:00 am PDT
- Sunset: 6:11 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 75°F
- 63°F
Showers
- Precip. probability: 59%
- Precipitation: 0.63"
- Wind: 9mphSSE 167°
- Humidity: 65%
- UV index: 4
- Sunrise: 7:01 am PDT
- Sunset: 6:10 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 70°F
- 59°F
Thunderstorms
- Precip. probability: 75%
- Precipitation: 0.28"
- Wind: 8mphS 169°
- Humidity: 74%
- UV index: 4
- Sunrise: 7:02 am PDT
- Sunset: 6:09 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 73°F
- 59°F
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 7mphS 186°
- Humidity: 67%
- UV index: 5
- Sunrise: 7:03 am PDT
- Sunset: 6:08 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 77°F
- 59°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphW 268°
- Humidity: 59%
- UV index: 5
- Sunrise: 7:03 am PDT
- Sunset: 6:07 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 77°F
- 61°F
Mostly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 9mphS 177°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:04 am PDT
- Sunset: 6:06 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 75°F
- 59°F
Partly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 8mphS 184°
- Humidity: 55%
- UV index: 5
- Sunrise: 7:05 am PDT
- Sunset: 6:05 pm PDT
- details ▼
And a mix of overcast, sunny, wet and unstable weather is expected.
Rainfall is expected on Wednesday and Thursday.
There will be a considerable variation in temperature in the next ten days. Forecast highs will fluctuate between 69.8°F and 89.6°F, while the lowest temperature will be between 59°F and 66.2°F.
With a high of 89.6°F, today is the hottest day; Thursday will be the coldest day, with the highest temperature of 69.8°F.
Rainfall is expected on Wednesday and Thursday.
There will be a considerable variation in temperature in the next ten days. Forecast highs will fluctuate between 69.8°F and 89.6°F, while the lowest temperature will be between 59°F and 66.2°F.
With a high of 89.6°F, today is the hottest day; Thursday will be the coldest day, with the highest temperature of 69.8°F.
Updated: Oct 17, 2026 @ 13:16:17 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Saturday, in Santa Ana, widespread cloud cover will remain in place.
Today, the highest temperature in Santa Ana will be 89.6°F, while the lowest temperature will be 66.2°F.
The maximum temperature will be uncommonly higher than the average highest temperature of 76.6°F in October. The lowest temperature will be a couple of degrees higher than the average low of 61°F.
The maximum temperature will be uncommonly higher than the average highest temperature of 76.6°F in October. The lowest temperature will be a couple of degrees higher than the average low of 61°F.
On Saturday, in Santa Ana, sunrise will be at 6:58 am and sunset at 6:15 pm (PDT).
In Santa Ana, the length of the day today will be 11h and 17min.
On Sunday, sunny conditions are expected to continue.
Tomorrow, the highest temperature will be 84.2°F, while the lowest temperature will be 64.4°F.
The highest temperature tomorrow will be moderately higher than the average maximum temperature in October. The lowest temperature will be in line with the average low of 61°F.
The highest temperature tomorrow will be moderately higher than the average maximum temperature in October. The lowest temperature will be in line with the average low of 61°F.
On Sunday, in Santa Ana, sunrise will be at 6:59 am and sunset at 6:14 pm (PDT).
In Santa Ana, tomorrow, there will be 11h and 15min of daylight.
