Weather forecast - March 21, 2023 - P6

Climate and Average Weather Year Round in San Diego California, United States

In San Diego, the summers are short, warm, arid, and clear and the winters are long, cool, and partly cloudy. Over the course of the year, the temperature typically varies from 50°F to 77°F and is rarely below 44°F or above 84°F.

Based on the tourism score, the best time of year to visit San Diego for warm-weather activities is from early June to mid October.

Average Temperature in San Diego 

The warm season lasts for 2.8 months, from July 10 to October 4, with an average daily high temperature above 75°F. The hottest month of the year in San Diego is August, with an average high of 77°F and low of 68°F.

The cool season lasts for 4.1 months, from November 29 to April 2, with an average daily high temperature below 67°F. The coldest month of the year in San Diego is December, with an average low of 51°F and high of 65°F.

Rainfall 

To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. San Diego experiences significant seasonal variation in monthly rainfall.

The rainy period of the year lasts for 5.9 months, from October 25 to April 22, with a sliding 31-day rainfall of at least 0.5 inches. The month with the most rain in San Diego is February, with an average rainfall of 2.3 inches.

The rainless period of the year lasts for 6.1 months, from April 22 to October 25. The month with the least rain in San Diego is June, with an average rainfall of 0.0 inches.

Weather forecast - March 21, 2023

Weather 92126

High temperature : 56°F

Low temperature : 53°F

- Overcast clouds, Wind speed 6.91 mph, wind out of the SW. Visibility 7 mi, humidity 84% . Chance of Rain : 100 % .

Today's Air Quality - Weather 92126 : Moderate

- Air Quality Index : CO : 220.3 ; NH3 : 0.25 ; NO : 0 ; NO2 : 2.83 ; O3 : 86.55 ; PM10 : 3.8 ; PM2.5 : 1.44 ; SO2 : 0.65

Weather 92127

High temperature : 56°F

Low temperature : 52°F

- Overcast clouds, Wind speed 5.75 mph, wind out of the S. Visibility 7 mi, humidity 86% . Chance of Rain : 100 % .

Today's Air Quality - Weather 92127 : Moderate

- Air Quality Index : CO : 233.65 ; NH3 : 0.55 ; NO : 0 ; NO2 : 5.4 ; O3 : 80.82 ; PM10 : 4.33 ; PM2.5 : 1.92 ; SO2 : 0.8

Weather 92128

High temperature : 55°F

Low temperature : 51°F

- Overcast clouds, Wind speed 5.75 mph, wind out of the S. Visibility 7 mi, humidity 85% . Chance of Rain : 100 % .

Today's Air Quality - Weather 92128 : Moderate

- Air Quality Index : CO : 233.65 ; NH3 : 0.55 ; NO : 0 ; NO2 : 5.4 ; O3 : 80.82 ; PM10 : 4.33 ; PM2.5 : 1.92 ; SO2 : 0.8

Weather 92129

High temperature : 56°F

Low temperature : 52°F

- Overcast clouds, Wind speed 6.91 mph, wind out of the SW. Visibility 7 mi, humidity 84% . Chance of Rain : 100 % .

Today's Air Quality - Weather 92129 : Moderate

- Air Quality Index : CO : 220.3 ; NH3 : 0.25 ; NO : 0 ; NO2 : 2.83 ; O3 : 86.55 ; PM10 : 3.8 ; PM2.5 : 1.44 ; SO2 : 0.65

Weather 48060

High temperature : 40°F

Low temperature : 38°F

- Overcast clouds, Wind speed 6.91 mph, wind out of the N. Visibility 7 mi, humidity 96% . Chance of Rain : 100 % .

Today's Air Quality - Weather 48060 : Good

- Air Quality Index : CO : 287.06 ; NH3 : 0.74 ; NO : 0 ; NO2 : 9.34 ; O3 : 45.06 ; PM10 : 4.76 ; PM2.5 : 4.25 ; SO2 : 0.1

Weather 92131

High temperature : 55°F

Low temperature : 51°F

- Overcast clouds, Wind speed 6.91 mph, wind out of the SW. Visibility 7 mi, humidity 84% . Chance of Rain : 100 % .

Today's Air Quality - Weather 92131 : Moderate

- Air Quality Index : CO : 220.3 ; NH3 : 0.25 ; NO : 0 ; NO2 : 2.83 ; O3 : 86.55 ; PM10 : 3.8 ; PM2.5 : 1.44 ; SO2 : 0.65

Weather 92132

High temperature : 57°F

Low temperature : 54°F

- Overcast clouds, Wind speed 9.22 mph, wind out of the WSW. Visibility 7 mi, humidity 85% . Chance of Rain : 100 % .

Today's Air Quality - Weather 92132 : Moderate

- Air Quality Index : CO : 267.03 ; NH3 : 0.74 ; NO : 0 ; NO2 : 14.57 ; O3 : 69.38 ; PM10 : 6.84 ; PM2.5 : 2.76 ; SO2 : 0.97

Weather 92133

High temperature : 58°F

Low temperature : 55°F

- Overcast clouds, Wind speed 9.22 mph, wind out of the WSW. Visibility 7 mi, humidity 85% . Chance of Rain : 100 % .

Today's Air Quality - Weather 92133 : Moderate

- Air Quality Index : CO : 210.29 ; NH3 : 0 ; NO : 0 ; NO2 : 0.35 ; O3 : 92.98 ; PM10 : 4.9 ; PM2.5 : 1.68 ; SO2 : 0.54

Weather 11209

High temperature : 46°F

Low temperature : 36°F

- Overcast clouds, Wind speed 6.91 mph, wind out of the SW. Visibility 7 mi, humidity 46% . Chance of Rain : 0 % .

Today's Air Quality - Weather 11209 : Moderate

- Air Quality Index : CO : 397.21 ; NH3 : 3.23 ; NO : 0.01 ; NO2 : 40.1 ; O3 : 51.5 ; PM10 : 22.24 ; PM2.5 : 17.36 ; SO2 : 5.42

Weather 92135

High temperature : 58°F

Low temperature : 55°F

- Overcast clouds, Wind speed 9.22 mph, wind out of the WSW. Visibility 7 mi, humidity 85% . Chance of Rain : 75 % .

Today's Air Quality - Weather 92135 : Moderate

- Air Quality Index : CO : 267.03 ; NH3 : 0.74 ; NO : 0 ; NO2 : 14.57 ; O3 : 69.38 ; PM10 : 6.84 ; PM2.5 : 2.76 ; SO2 : 0.97