Weather Tomorrow

Weather Tomorrow in Chula Vista, 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

79°Low 71°FColdHot
Foggy

Precip chance

1%

Wind

0-10 mph

Humidity

85%

Feels like

77–73°F

Data source: National Weather Service (NOAA) · Updated just now

Tomorrow by Hour

71°Temperature trend79°
TimeTempConditionRain %Wind
7 AM74°FPatchy Fog
0%
5 mph S
8 AM73°FPatchy Fog
0%
5 mph S
9 AM73°FPatchy Fog
0%
5 mph S
10 AM72°FPatchy Fog
0%
0 mph
11 AM72°FPatchy Fog
0%
0 mph
12 PM71°FPatchy Fog
0%
0 mph
1 PM71°FPatchy Fog
0%
0 mph
2 PM71°FPatchy Fog
0%
0 mph
3 PM73°FPatchy Fog
0%
0 mph
4 PM74°FPatchy Fog
0%
5 mph SW
5 PM76°FPatchy Fog
0%
5 mph SW
6 PM77°FSunny
0%
5 mph W
7 PM78°FSunny
0%
10 mph W
8 PM78°FSunny
0%
10 mph W
9 PM79°FSunny
0%
10 mph W
10 PM78°FSunny
0%
10 mph W
11 PM78°FSunny
0%
10 mph W
12 AM77°FSunny
0%
10 mph W
1 AM75°FMostly Clear
0%
5 mph W
2 AM73°FMostly Clear
0%
5 mph W
3 AM72°FMostly Clear
0%
5 mph W
4 AM72°FMostly Clear
0%
5 mph W
5 AM71°FMostly Clear
0%
5 mph W
6 AM71°FPatchy Fog
1%
0 mph

Precipitation Timeline

No significant precipitation expected tomorrow.

What to Wear Tomorrow

Warm and comfortable — dress light

Clothing

  • T-shirt or light blouse
  • Shorts or light pants

Footwear

Comfortable shoes or sandals

Accessories

  • Sunglasses

Conditions

High: 79°F

Low: 71°F

Wind: 0-10 mph

Rain: 1%

Enjoy your day!

Best Time to Be Outside Tomorrow

1 PM – 2 PM99

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

7a1p7p1a

More for Chula Vista, CA

More cities in California

Frequently Asked Questions

What is the weather forecast for tomorrow in Chula Vista, CA?
Tomorrow in Chula Vista: High of 79°F, Low of 71°F. Foggy with 1% chance of precipitation. Wind 0-10 mph.
Will it rain tomorrow in Chula Vista?
No significant precipitation expected tomorrow.
What should I wear tomorrow in Chula Vista?
With a high of 79°F and low of 71°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.