Weather By Day

October Weather In San Francisco  
October San Francisco Weather
Record High: 99°F
Normal High: 70°F
Normal Low: 52°F
Record Low: 37°F
Avg Monthly Rain: 1.04"
Rec 1 Day Rain: 2.62"

San Francisco Weather In October

The record high October temperature in San Francisco California for the last 83 years was 99 degrees Fahrenheit, most recently encountered on October 5, 1987, while the normal high temperature is 70. The coldest October day in San Francisco for the past 83 years was 37 most recently encountered on October 20, 1949, and the normal low daily temperature is 52.

According to National Weather Service historical San Francisco October Weather data, on October 18, 1949, the high temperature did not exceed 54 degrees Fahrenheit, the lowest high measured in San Francisco in the past 83 years. NWS weather data additionally shows that on October 22, 1982, the lowest recorded temperature on that day did not drop below 63 degrees, the highest low measured in San Francisco in the last 83 years.

NWS data indicates that the daily high temperature in San Francisco on October First averages 67 degrees Fahrenheit and the high on the last day of October averages 64 degrees. The daily low temperature in San Francisco on October First averages 50 degrees Fahrenheit and the low on the last day of October averages 48 degrees.

San Francisco typically receives an average of 1.04 inches of precipitation during the month. The most rain recorded in a single day, as shown by October San Francisco Weather data, was 2.62 inches on October 13, 1962.