Weather Tomorrow

Weather Tomorrow in San Diego, CA

High Surf AdvisoryUntil Sep 9, 6:00 AM

High Surf Advisory issued September 8 at 1:54PM PDT until September 8 at 11:00PM PDT by NWS San Diego CA

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Inexperienced swimmers should remain out of the water due to dangerous surf conditions.

Coastal Flood AdvisoryUntil Sep 9, 6:00 AM

Coastal Flood Advisory issued September 8 at 1:54PM PDT until September 9 at 11:00PM PDT by NWS San Diego CA

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Inexperienced swimmers should remain out of the water due to dangerous surf conditions.

Extreme Heat WarningUntil Sep 9, 5:30 AM

Extreme Heat Warning issued September 8 at 1:52PM PDT until September 9 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. If you do not have air conditioning in your home or lack shelter, you can call 211 or visit 211ca.org for assistance locating appropriate shelter from the heat.

Heat AdvisoryUntil Sep 9, 5:30 AM

Heat Advisory issued September 8 at 1:52PM PDT until September 10 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. If you do not have air conditioning in your home or lack shelter, you can call 211 or visit 211ca.org for assistance locating appropriate shelter from the heat.

Wednesday, September 9, 2026

90°Low 75°FColdHot
Clear

Precip chance

10%

Wind

0-5 mph

Humidity

68%

Feels like

88–77°F

Data source: National Weather Service (NOAA) · Updated 50 min ago

Tomorrow by Hour

75°Temperature trend90°
TimeTempConditionRain %Wind
7 AM78°FMostly Clear
3%
5 mph N
8 AM77°FMostly Clear
3%
5 mph NW
9 AM76°FMostly Clear
3%
0 mph
10 AM76°FMostly Clear
3%
0 mph
11 AM76°FMostly Clear
3%
0 mph
12 PM75°FPartly Cloudy
4%
0 mph
1 PM76°FMostly Sunny
4%
0 mph
2 PM76°FMostly Sunny
4%
0 mph
3 PM77°FSunny
4%
0 mph
4 PM81°FSunny
4%
0 mph
5 PM84°FSunny
4%
5 mph SW
6 PM86°FSunny
9%
5 mph SW
7 PM88°FSunny
9%
5 mph SW
8 PM89°FSunny
9%
5 mph SW
9 PM89°FSunny
9%
5 mph SW
10 PM90°FSunny
9%
5 mph SW
11 PM89°FSunny
9%
5 mph SW
12 AM86°FSunny
10%
5 mph SW
1 AM85°FMostly Clear
10%
5 mph SW
2 AM81°FMostly Clear
10%
5 mph S
3 AM79°FMostly Clear
10%
5 mph S
4 AM78°FMostly Clear
10%
5 mph S
5 AM78°FMostly Clear
10%
5 mph S
6 AM77°FPartly Cloudy
6%
5 mph S

Precipitation Timeline

100%
50%
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<20%20-50%50-70%>70%

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: 90°F

Low: 75°F

Wind: 0-5 mph

Rain: 10%

Enjoy your day!

Best Time to Be Outside Tomorrow

1 PM – 2 PM93

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

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More for San Diego, CA

Forecast by ZIP in San Diego

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Frequently Asked Questions

What is the weather forecast for tomorrow in San Diego, CA?
Tomorrow in San Diego: High of 90°F, Low of 75°F. Clear with 10% chance of precipitation. Wind 0-5 mph.
Will it rain tomorrow in San Diego?
No significant precipitation expected tomorrow.
What should I wear tomorrow in San Diego?
With a high of 90°F and low of 75°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.