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Fairfield, CA Weather on October 11

October 11th in Fairfield, CA typically brings pleasant fall weather, with average highs around 79°F and lows near 51°F — a 28°F daily swing. Over 55 years of records, the warmest October 11th was in 1991 (78°F average), while the coldest was 2000 (55°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 9% of October 11th dates historically, with the wettest October 11th recording 1.11" of rain. Temperatures on this date have remained relatively stable over the past several decades.

By Weather On This Day|
Avg High
79°F
Avg Low
51°F
Record High
94°F
1992
Record Low
40°F
1985
Fairfield, CA on October 11 — Temperature History40°F60°F80°F100°F19801990200020102020HighLow

What to Expect on October 11

Planning for October 11th in Fairfield, CA? Great weather for outdoor activities.

October 11 Weather Records for Fairfield

  • •The all-time record high for October 11th in Fairfield, CA is 94°F, set in 1992.
  • •The coldest October 11th on record dropped to 40°F in 1985.
  • •Temperatures have reached 90°F or higher on October 11th in 4 of the last 55 years.
  • •Last year (1971), October 11th was 6°F warmer than the long-term average.

Frequently Asked Questions

What was the warmest October 11 ever in Fairfield?

The warmest October 11 in Fairfield, CA reached 94°F in 1992. That is 15°F above the long-term average high of 79°F.

What was the coldest October 11 ever in Fairfield?

The coldest October 11 in Fairfield, CA dropped to 40°F in 1985. That is 11°F below the long-term average low of 51°F.

What is the average temperature on October 11 in Fairfield?

On October 11, Fairfield averages a high of 79°F and a low of 51°F based on 55 years of NOAA weather observations from FAIRFIELD.

How many years of weather data are available for October 11 in Fairfield?

We have 55 years of weather records for October 11 in Fairfield, CA, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.

October 11 Weather History in Fairfield

YearHighLowPrecipSnow
202573°F50°F0"--
202480°F52°F0"--
202375°F54°F0"--
202283°F49°F0"--
202175°F55°F0"--
202083°F54°F0"--
201979°F47°F0"--
201876°F52°F0"--
2017--50°F0"--
201675°F53°F0"--
201586°F57°F0"--
201487°F54°F0"--
201374°F47°F0"--
201263°F50°F0"--
201179°F57°F0.04"--
201088°F60°F0"--
200980°F45°F0"--
200868°F51°F0"--
200769°F51°F0"--
200674°F49°F0"--
200586°F53°F0"--
200483°F55°F0"--
200382°F47°F0"--
200282°F49°F0"--
200183°F56°F0"--
200064°F47°F0.2"--
199990°F56°F0"--
199877°F47°F0"--
199768°F49°F0"--
199678°F52°F0"--
199578°F55°F0"--
199478°F50°F0"--
199368°F60°F0"--
199294°F57°F0"--
199190°F67°F0"--
199086°F52°F0"--
198990°F49°F0"--
198872°F52°F0"--
198780°F52°F0"--
198670°F49°F0"--
198580°F40°F0"--
198480°F51°F0.86"--
198385°F52°F0"--
198286°F48°F0"--
198173°F51°F0"--
198079°F48°F0"--
197986°F57°F0"--
197889°F49°F0"--
197786°F49°F0"--
197680°F50°F0"--
197567°F48°F0.6"--
197480°F48°F0"--
197376°F43°F0"--
197274°F57°F1.11"--
197185°F49°F0"--

Based on 55 years of data from NOAA station: FAIRFIELD

Monthly Climate Averages

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

Warmest MonthAugustAvg High: 91°F / Low: 58°F
Coldest MonthDecemberAvg High: 56°F / Low: 39°F
Jan
57°/ 39°
💧 0.4"
Feb
62°/ 41°
💧 0.5"
Mar
67°/ 44°
💧 0.3"
Apr
72°/ 47°
💧 0.3"
May
79°/ 51°
💧 0.2"
Jun
87°/ 56°
💧 0.2"
Jul
91°/ 58°
💧 0.1"
Aug
91°/ 58°
💧 0.1"
Sep
88°/ 56°
💧 0.1"
Oct
79°/ 51°
💧 0.3"
Nov
65°/ 43°
💧 0.4"
Dec
56°/ 39°
💧 0.5"
❄️ 1.5"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.

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