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Salinas, CA Weather on August 18

August 18th in Salinas, CA typically brings pleasant summer weather, with average highs around 72°F and lows near 55°F. Over 55 years of records, the warmest August 18th was in 2020 (75°F average), while the coldest was 1973 (58°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 5% of August 18th dates historically. The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.

By Weather On This Day|
Avg High
72°F
Avg Low
55°F
Record High
86°F
2020
Record Low
48°F
2010
Salinas, CA on August 18 — Temperature History40°F60°F80°F100°F19801990200020102020HighLow

What to Expect on August 18

Planning for August 18th in Salinas, CA? Great weather for outdoor activities.

August 18 Weather Records for Salinas

  • The all-time record high for August 18th in Salinas, CA is 86°F, set in 2020.
  • The coldest August 18th on record dropped to 48°F in 2010.

Frequently Asked Questions

What was the warmest August 18 ever in Salinas?

The warmest August 18 in Salinas, CA reached 86°F in 2020. That is 14°F above the long-term average high of 72°F.

What was the coldest August 18 ever in Salinas?

The coldest August 18 in Salinas, CA dropped to 48°F in 2010. That is 7°F below the long-term average low of 55°F.

What is the average temperature on August 18 in Salinas?

On August 18, Salinas averages a high of 72°F and a low of 55°F based on 55 years of NOAA weather observations from SALINAS #2.

How many years of weather data are available for August 18 in Salinas?

We have 55 years of weather records for August 18 in Salinas, 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 18 Weather History in Salinas

YearHighLowPrecipSnow
202577°F56°F0"--
202476°F62°F0"--
202374°F59°F0"--
202277°F58°F0"--
202179°F49°F0"--
202086°F64°F0"--
201972°F60°F0"--
201871°F56°F0"--
201771°F57°F0"--
201667°F56°F0"--
201574°F58°F0"--
201471°F57°F0"--
201379°F56°F0"--
201276°F56°F0.03"--
201165°F52°F----
201071°F48°F0"--
200968°F55°F0"--
200871°F56°F0"--
200773°F51°F0"--
200669°F54°F0"--
200569°F56°F0"--
200470°F55°F0"--
200373°F59°F0"--
200269°F57°F0"--
200170°F52°F0"--
200071°F49°F0"--
199971°F56°F0"--
199869°F59°F0"--
199778°F54°F0"--
199670°F48°F0"--
199582°F48°F0"--
199470°F58°F0"--
199369°F57°F0"--
199274°F53°F0"--
199168°F56°F0"--
199072°F56°F0"--
198970°F57°F0"--
198874°F57°F0"--
198769°F60°F0"--
198681°F54°F0"--
198570°F51°F0"--
198478°F58°F0"--
198368°F62°F0"--
198269°F55°F0"--
198167°F55°F0"--
198067°F56°F0"--
197969°F56°F0"--
197882°F51°F0"--
197772°F57°F0"--
197673°F57°F0.03"--
197568°F61°F0.39"--
197469°F52°F0"--
197367°F50°F0"--
197272°F56°F0"--
197168°F52°F0"--

Based on 55 years of data from NOAA station: SALINAS #2

Monthly Climate Averages

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

Warmest MonthSeptemberAvg High: 75°F / Low: 54°F
Coldest MonthDecemberAvg High: 62°F / Low: 41°F
Jan
62°/ 41°
💧 0.3"
Feb
64°/ 43°
💧 0.3"
Mar
65°/ 45°
💧 0.3"
Apr
67°/ 46°
💧 0.2"
May
68°/ 50°
💧 0.1"
Jun
70°/ 53°
💧 0.1"
❄️ 0.1"
Jul
71°/ 55°
💧 0.1"
Aug
72°/ 55°
💧 0.1"
Sep
75°/ 54°
💧 0.1"
Oct
73°/ 50°
💧 0.2"
Nov
67°/ 45°
💧 0.3"
Dec
62°/ 41°
💧 0.3"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.

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