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San Diego, CA Weather on August 26

August 26th in San Diego, CA typically brings pleasant summer weather, with average highs around 79°F and lows near 67°F. Over 55 years of records, the warmest August 26th was in 1981 (83°F average), while the coldest was 1987 (67°F) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 2% of August 26th dates historically. The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.

By Weather On This Day|
Avg High
79°F
Avg Low
67°F
Record High
92°F
1981
Record Low
61°F
1987
San Diego, CA on August 26 — Temperature History60°F70°F80°F90°F100°F19801990200020102020HighLow

What to Expect on August 26

Planning for August 26th in San Diego, CA? Great weather for outdoor activities.

August 26 Weather Records for San Diego

  • The all-time record high for August 26th in San Diego, CA is 92°F, set in 1981.
  • The coldest August 26th on record dropped to 61°F in 1987.
  • Temperatures have reached 90°F or higher on August 26th in 2 of the last 55 years.

Frequently Asked Questions

What was the warmest August 26 ever in San Diego?

The warmest August 26 in San Diego, CA reached 92°F in 1981. That is 13°F above the long-term average high of 79°F.

What was the coldest August 26 ever in San Diego?

The coldest August 26 in San Diego, CA dropped to 61°F in 1987. That is 6°F below the long-term average low of 67°F.

What is the average temperature on August 26 in San Diego?

On August 26, San Diego averages a high of 79°F and a low of 67°F based on 55 years of NOAA weather observations from SAN DIEGO INTL AP.

How many years of weather data are available for August 26 in San Diego?

We have 55 years of weather records for August 26 in San Diego, CA, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.

August 26 Weather History in San Diego

YearHighLowPrecipSnow
202576°F68°F0"--
202481°F64°F0"--
202376°F65°F0"--
202280°F71°F0"--
202182°F69°F0"--
202079°F70°F0"--
201984°F70°F0"--
201880°F70°F0"--
201777°F67°F0"--
201673°F66°F0"--
201586°F72°F0"--
201480°F68°F0"--
201379°F69°F0"--
201276°F66°F0"--
201180°F68°F0"--
201077°F67°F0"--
200991°F67°F0"--
200876°F68°F0"--
200785°F71°F0"--
200678°F68°F0"--
200584°F69°F0"--
200474°F67°F0"--
200376°F68°F0"--
200273°F63°F0"--
200175°F63°F0"--
200075°F69°F0"--
199981°F65°F0"--
199876°F69°F0"--
199778°F68°F0"--
199677°F68°F0"--
199581°F64°F0"--
199479°F70°F0.01"--
199379°F68°F0"--
199279°F66°F0"--
199173°F65°F0"--
199075°F63°F0"--
198974°F65°F0"--
198883°F69°F0"--
198773°F61°F0"--
198684°F67°F0"--
198583°F67°F0"--
198482°F74°F0"--
198382°F69°F0"--
198280°F71°F0"--
198192°F75°F0"--
198077°F67°F0"--
197980°F69°F0"--
197877°F64°F0"--
197776°F70°F0"--
197678°F68°F0"--
197573°F63°F0"--
197477°F66°F0"--
197373°F65°F0"--
197275°F65°F0"--
197180°F68°F0"--

Based on 55 years of data from NOAA station: SAN DIEGO INTL AP

Monthly Climate Averages

Historical temperature and precipitation averages for San Diego, CA, based on 55+ years of weather data.

Warmest MonthSeptemberAvg High: 76°F / Low: 66°F
Coldest MonthDecemberAvg High: 65°F / Low: 49°F
Jan
65°/ 49°
💧 0.3"
Feb
65°/ 50°
💧 0.3"
Mar
66°/ 53°
💧 0.3"
Apr
68°/ 56°
💧 0.2"
May
69°/ 59°
💧 0.1"
Jun
71°/ 62°
💧 0.1"
Jul
75°/ 66°
💧 0.1"
Aug
76°/ 67°
💧 0.2"
Sep
76°/ 66°
💧 0.1"
Oct
73°/ 61°
💧 0.2"
Nov
69°/ 54°
💧 0.2"
Dec
65°/ 49°
💧 0.3"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.

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