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Weather Tomorrow

Weather Tomorrow in Santa Ana, CA

Extreme Heat WarningUntil Oct 8, 8:00 PM PDT

Extreme Heat Warning issued October 8 at 12:19AM PDT until October 8 at 8:00PM PDT by NWS San Diego CA

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.

Friday, October 9, 2026

High 87°FLow 68°F

Clear

Rain chance
1%
Wind
0-10 mph
Humidity
73%
Feels like
68–89°F

Data source: National Weather Service (NOAA) · Forecast issued

Precipitation Timeline

No significant precipitation expected tomorrow.

Tomorrow by Hour

Local time. Rows with a 40% or higher chance of rain are shaded blue.

Hourly forecast for tomorrow, local time: temperature in °F, chance of rain, wind in mph
TimeSkyTempRainWind (mph)
12 AM, Mostly Clear73°
1%
0
1 AM, Mostly Clear72°
1%
0
2 AM, Mostly Clear71°
1%
0
3 AM, Mostly Clear70°
1%
0
4 AM, Mostly Clear70°
1%
0
5 AM, Partly Cloudy69°
1%
0
6 AM, Mostly Sunny69°
1%
0
7 AM, Mostly Sunny68°
1%
0
8 AM, Mostly Sunny70°
1%
0
9 AM, Mostly Sunny73°
1%
0
10 AM, Mostly Sunny76°
1%
5 W
11 AM, Sunny82°
1%
5 SW
12 PM, Sunny84°
1%
5 SW
1 PM, Sunny86°
1%
10 SW
2 PM, Sunny87°
1%
10 SW
3 PM, Sunny86°
1%
10 W
4 PM, Sunny85°
1%
10 W
5 PM, Sunny83°
0%
10 W
6 PM, Mostly Clear80°
0%
10 W
7 PM, Mostly Clear76°
0%
5 SW
8 PM, Mostly Clear74°
0%
5 SW
9 PM, Mostly Clear73°
0%
5 SW
10 PM, Mostly Clear72°
0%
0
11 PM, Mostly Cloudy71°
1%
0

What to Wear Tomorrow

Hot — wear breathable, light clothing

Clothing

  • Light t-shirt or tank top
  • Shorts or light skirt
  • Hat for sun protection

Footwear

Sandals or breathable sneakers

Accessories

  • Sunglasses
  • Sunscreen

Conditions

High
87°F
Low
68°F
Wind
0-10 mph
Rain
1%

Enjoy your day!

Best Time to Be Outside Tomorrow

6 AM – 9 AM

Excellent conditions for outdoor activities (dry, comfortable temp, light wind, daylight)

99out of 100

More for Santa Ana, CA

Forecast by ZIP in Santa Ana

More cities in California

Frequently Asked Questions

What is the weather forecast for tomorrow in Santa Ana, CA?
Tomorrow in Santa Ana: High of 87°F, Low of 68°F. Clear with 1% chance of precipitation. Wind 0-10 mph.
Will it rain tomorrow in Santa Ana?
No significant precipitation expected tomorrow.
What should I wear tomorrow in Santa Ana?
With a high of 87°F and low of 68°F, check our "What to Wear" section above for specific clothing recommendations based on temperature, wind, and precipitation.
How accurate is this forecast?
Our forecasts come directly from the National Weather Service (NOAA). A next-day forecast is the most reliable part of any forecast, but it can still change, so check again in the evening. The page shows when the forecast was issued.