Weather Tomorrow

Weather Tomorrow in Irvine, CA

Heat AdvisoryUntil Sep 12, 3:00 AM

Heat Advisory issued September 11 at 2:30AM PDT until September 11 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

Saturday, September 12, 2026

85°Low 70°FColdHot
Foggy

Precip chance

0%

Wind

5-10 mph

Humidity

83%

Feels like

83–72°F

Data source: National Weather Service (NOAA) · Updated 43 min ago

Tomorrow by Hour

70°Temperature trend85°
TimeTempConditionRain %Wind
7 AM73°FPatchy Fog
0%
5 mph S
8 AM73°FPatchy Fog
0%
5 mph S
9 AM72°FPatchy Fog
0%
5 mph S
10 AM72°FPatchy Fog
0%
5 mph SE
11 AM71°FPatchy Fog
0%
5 mph SE
12 PM71°FPatchy Fog
0%
5 mph SE
1 PM70°FPatchy Fog
0%
5 mph SE
2 PM70°FPatchy Fog
0%
5 mph SE
3 PM72°FPatchy Fog
0%
5 mph SE
4 PM74°FPatchy Fog
0%
5 mph S
5 PM77°FPatchy Fog
0%
5 mph S
6 PM82°FSunny
0%
5 mph S
7 PM83°FSunny
0%
5 mph S
8 PM84°FSunny
0%
10 mph SW
9 PM85°FSunny
0%
10 mph SW
10 PM85°FSunny
0%
10 mph SW
11 PM84°FSunny
0%
10 mph SW
12 AM82°FSunny
0%
10 mph SW
1 AM79°FMostly Clear
0%
10 mph SW
2 AM76°FMostly Clear
0%
5 mph SW
3 AM74°FMostly Clear
0%
5 mph SW
4 AM72°FMostly Clear
0%
5 mph SW
5 AM72°FMostly Clear
0%
5 mph S
6 AM71°FPatchy Fog
0%
5 mph S

Precipitation Timeline

No significant precipitation expected tomorrow.

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: 85°F

Low: 70°F

Wind: 5-10 mph

Rain: 0%

Enjoy your day!

Best Time to Be Outside Tomorrow

1 PM – 2 PM100

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

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More for Irvine, CA

Forecast by ZIP in Irvine

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Frequently Asked Questions

What is the weather forecast for tomorrow in Irvine, CA?
Tomorrow in Irvine: High of 85°F, Low of 70°F. Foggy with 0% chance of precipitation. Wind 5-10 mph.
Will it rain tomorrow in Irvine?
No significant precipitation expected tomorrow.
What should I wear tomorrow in Irvine?
With a high of 85°F and low of 70°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), which provides some of the most accurate weather predictions available. Tomorrow forecasts are generally 80-90% accurate, with accuracy decreasing the further out you look. Data is refreshed every 30 minutes.