San Diego CA Weather Forecast | 9-Day BlendedModel Outlook

San Diego, CA Weather Forecast

View the 9-day weather forecast for San Diego, California, including daily highs and lows, rain chances, rainfall amounts, wind speeds, humidity, and short-range versus extended BlendedModel guidance.

The latest 9-day BlendedModel forecast for San Diego, California is in. The warmest stretch peaks on Fri near 72, while the coolest low settles in on Mon near 62. The best rain signal shows up on Sun at 20 percent and about 0.01 inches. The outlook starts with a near-term signal before shifting to extended signal later in the period.

Forecast data refreshed automatically every few hours. Showing the latest available BlendedModel forecast for San Diego, California.

Last updated: June 18, 2026 at 11:51 AM PDT

Latest BlendedModel forecast loaded for San Diego, California.

9-Day Outlook for San Diego, California

A scan-first 9-day view generated for fast daily reading, with the main call for each day and the core details underneath.

Today's Weather Story

Today looks mostly cloudy with low rain chances, light wind, and humid air, and a minimal storm signal.

National Weather Service

Beach Hazards Statement

Beach Hazards Statement issued June 17 at 10:27PM PDT until June 19 at 11:00PM PDT by NWS San Diego CA

Moderate Â· Expected Â· Starts 2026-06-17T22:27:00-07:00 Â· Expires 2026-06-18T11:30:00-07:00

Check Hourly Timing

A quick look at the next several hours for temperature, rain chance, wind, and storm signal.

5 AM PDT

63Â°

Mostly Cloudy

Precip 0% Â· Wind 1 mph

6 AM PDT

64Â°

Mostly Cloudy

Precip 0% Â· Wind 1 mph

7 AM PDT

65Â°

Cloudy

Precip 0% Â· Wind 3 mph

8 AM PDT

66Â°

Cloudy

Precip 0% Â· Wind 4 mph

9 AM PDT

66Â°

Cloudy

Precip 0% Â· Wind 5 mph

10 AM PDT

68Â°

Cloudy

Precip 0% Â· Wind 6 mph

11 AM PDT

68Â°

Cloudy

Precip 0% Â· Wind 7 mph

12 PM PDT

69Â°

Cloudy

Precip 0% Â· Wind 7 mph

1 PM PDT

70Â°

Cloudy

Precip 0% Â· Wind 8 mph

2 PM PDT

69Â°

Cloudy

Precip 0% Â· Wind 8 mph

3 PM PDT

69Â°

Cloudy

Precip 0% Â· Wind 7 mph

4 PM PDT

69Â°

Cloudy

Precip 0% Â· Wind 7 mph

Thu

Jun 18

70Â°

Low 63Â°

Near-Term Signal

Mostly Cloudy

Precip 0% Â· Rain 0.00 in Â· Wind 8 mph Â· Humidity 85%

Thunder Index

0/100

Minimal Storm Signal

A 0-100 signal blending near-term storm ingredients with extended pattern guidance.

Fri

Jun 19

72Â°

Low 62Â°

Near-Term Signal

Cloudy

Precip 0% Â· Rain 0.00 in Â· Wind 11 mph Â· Humidity 89%

Thunder Index

0/100

Minimal Storm Signal

Sat

Jun 20

69Â°

Low 62Â°

Extended Signal

Humid

Precip 20% Â· Rain 0.00 in Â· Wind 11 mph Â· Humidity 86%

Thunder Index

12/100

Minimal Storm Signal

Sun

Jun 21

69Â°

Low 62Â°

Extended Signal

Mostly quiet

Precip 20% Â· Rain 0.01 in Â· Wind 10 mph Â· Humidity 84%

Thunder Index

15/100

Minimal Storm Signal

Mon

Jun 22

69Â°

Low 62Â°

Extended Signal

Humid

Precip 20% Â· Rain 0.00 in Â· Wind 7 mph Â· Humidity 87%

Thunder Index

14/100

Minimal Storm Signal

Tue

Jun 23

70Â°

Low 63Â°

Extended Signal

Humid

Precip 0% Â· Rain 0.00 in Â· Wind 7 mph Â· Humidity 90%

Thunder Index

15/100

Minimal Storm Signal

Wed

Jun 24

71Â°

Low 64Â°

Extended Signal

Humid

Precip 0% Â· Rain 0.00 in Â· Wind 9 mph Â· Humidity 88%

Thunder Index

14/100

Minimal Storm Signal

Thu

Jun 25

72Â°

Low 65Â°

Extended Signal

Humid

Precip 0% Â· Rain 0.00 in Â· Wind 11 mph Â· Humidity 89%

Thunder Index

15/100

Minimal Storm Signal

Fri

Jun 26

71Â°

Low 64Â°

Extended Signal

Humid

Precip 0% Â· Rain 0.00 in Â· Wind 9 mph Â· Humidity 89%

Thunder Index

12/100

Minimal Storm Signal

Official alerts, when active, come from the National Weather Service.

San Diego Weather Questions, Answered

Quick answers generated from the latest 9-day BlendedModel forecast for San Diego, California.

Will it rain today in San Diego?

Rain is unlikely in San Diego, CA today, with only a 0 percent chance of precipitation.

How hot will it get in San Diego today?

Today's forecast for San Diego, CA calls for a high near 70 degrees and a low around 63 degrees.

Are thunderstorms expected in San Diego this week?

No strong thunderstorm signal shows up for San Diego, CA this week. The highest Thunder Index is 15 out of 100 on Sun.

What is the warmest day this week in San Diego?

Fri looks like the warmest day in San Diego, CA, with a high near 72 degrees.

San Diego, CA Weather Forecast

9-Day Outlook for San Diego, California

San Diego Weather Questions, Answered

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