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Oceanside, CA Weather on August 27

August 27th in Oceanside, CA typically brings pleasant summer weather, with average highs around 77°F and lows near 62°F. Over 55 years of records, the warmest August 27th was in 1977 (76°F average), while the coldest was 1987 (62°F) — a 14°F range across recorded history. Rain or other precipitation has occurred on about 2% of August 27th dates historically. The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.

By Weather On This Day|
Avg High
77°F
Avg Low
62°F
Record High
92°F
2009
Record Low
52°F
2009
Oceanside, CA on August 27 — Temperature History40°F60°F80°F100°F19801990200020102020HighLow

What to Expect on August 27

Planning for August 27th in Oceanside, CA? Great weather for outdoor activities.

August 27 Weather Records for Oceanside

  • The all-time record high for August 27th in Oceanside, CA is 92°F, set in 2009.
  • The coldest August 27th on record dropped to 52°F in 2009.
  • Temperatures have reached 90°F or higher on August 27th in 1 of the last 55 years.

Frequently Asked Questions

What was the warmest August 27 ever in Oceanside?

The warmest August 27 in Oceanside, CA reached 92°F in 2009. That is 15°F above the long-term average high of 77°F.

What was the coldest August 27 ever in Oceanside?

The coldest August 27 in Oceanside, CA dropped to 52°F in 2009. That is 10°F below the long-term average low of 62°F.

What is the average temperature on August 27 in Oceanside?

On August 27, Oceanside averages a high of 77°F and a low of 62°F based on 55 years of NOAA weather observations from OCEANSIDE MUNI AP.

How many years of weather data are available for August 27 in Oceanside?

We have 55 years of weather records for August 27 in Oceanside, 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 27 Weather History in Oceanside

YearHighLowPrecipSnow
202583°F58°F0"--
202480°F60°F0"--
202381°F59°F0"--
202279°F69°F0"--
202182°F57°F0"--
202083°F63°F0"--
201981°F63°F0"--
201879°F63°F0"--
201776°F64°F0"--
201675°F63°F0"--
201586°F64°F0"--
201488°F60°F0"--
201379°F65°F0"--
201281°F55°F0"--
201180°F63°F0"--
201075°F61°F0"--
200992°F52°F0"--
200878°F69°F0"--
200779°F63°F0"--
200679°F54°F0.01"--
200582°F62°F0"--
200477°F58°F0"--
200378°F64°F0"--
200272°F63°F0"--
200173°F62°F0"--
200074°F67°F0"--
199975°F60°F0"--
199873°F68°F0"--
199774°F65°F0"--
199671°F58°F0"--
199571°F60°F0"--
199474°F68°F0"--
199372°F66°F0"--
199274°F60°F0"--
199168°F64°F0"--
199072°F57°F0"--
198969°F62°F0"--
198873°F67°F0"--
198767°F58°F0"--
198671°F62°F0"--
198578°F67°F0"--
198478°F65°F0"--
198376°F62°F0"--
198272°F67°F0"--
198179°F66°F0"--
198072°F62°F0"--
197974°F67°F0"--
197872°F60°F0"--
197786°F66°F0"--
197677°F52°F0"--
197573°F55°F0"--
197475°F59°F0"--
197376°F58°F0"--
197278°F65°F0"--
197181°F60°F0"--

Based on 55 years of data from NOAA station: OCEANSIDE MUNI AP

Monthly Climate Averages

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

Warmest MonthAugustAvg High: 77°F / Low: 63°F
Coldest MonthFebruaryAvg High: 65°F / Low: 44°F
Jan
66°/ 43°
💧 0.4"
Feb
65°/ 44°
💧 0.3"
Mar
66°/ 47°
💧 0.3"
Apr
67°/ 50°
💧 0.2"
May
69°/ 55°
💧 0.1"
Jun
71°/ 59°
💧 0.1"
Jul
75°/ 62°
💧 0.1"
Aug
77°/ 63°
💧 0.2"
Sep
76°/ 60°
💧 0.1"
Oct
74°/ 54°
💧 0.3"
Nov
70°/ 47°
💧 0.2"
Dec
66°/ 42°
💧 0.3"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.

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