Weather forecast for tomorrowSanta Ana, CA
Weather forecast for tomorrow
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.
Hourly overview
Hourly temperatures
Warmest period: 12 pm - 3 pm 82°C.
Coldest hour: 6 am 68°C.
Coldest hour: 6 am 68°C.
Chance of precipitation
Highest chance: 9 pm 2%.
Hourly weather forecast
- 12 am
- 73°F
- Feels like:73°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 1mphSE 135°
- Humidity: 41%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 70°F
- Feels like:70°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 1mphENE 71°
- Humidity: 44%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 70°F
- Feels like:70°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 1mphNE 55°
- Humidity: 45%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 68°F
- Feels like:68°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphENE 78°
- Humidity: 48%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 6:59 am
- 8 am
- 70°F
- Feels like:70°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphENE 71°
- Humidity: 44%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 79°F
- Feels like:79°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphESE 112°
- Humidity: 37%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 12 pm
- 82°F
- Feels like:82°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphSW 222°
- Humidity: 34%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 6
- details ▼
- 2 pm
- 84°F
- Feels like:84°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphSW 217°
- Humidity: 35%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 4 pm
- 82°F
- Feels like:82°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphSW 225°
- Humidity: 35%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 79°F
- Feels like:79°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSW 231°
- Humidity: 42%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:14 pm
- 8 pm
- 73°F
- Feels like:73°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphSW 227°
- Humidity: 59%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 72°F
- Feels like:72°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 1mphS 184°
- Humidity: 65%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a combination of gloomy and bright weather is predicted.
The temperature will be between the lowest temperature of 68°F and the highest temperature of 84.2°F. The hottest part of the day is expected around 2 pm.
The forecasted maximum is more resembling September's typical high of 81.7°F than the average for October. The lowest temperature tomorrow will be resembling October's average minimum.
The temperature will be between the lowest temperature of 68°F and the highest temperature of 84.2°F. The hottest part of the day is expected around 2 pm.
The forecasted maximum is more resembling September's typical high of 81.7°F than the average for October. The lowest temperature tomorrow will be resembling October's average minimum.
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 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.
