San Francisco Weather: October
 |
Average Day Temperature: | 65.7°F |
|
Average Night Temperature: | 57.6°F |
|
Sea Water Temperature: | 61.8°F |
|
Number of Sunny Days: | 18 days |
| Sunshine Hours: | 10.6 - 11.8 hours | |
|
Number of Rainy Days: | 1 day |
| Precipitation Totals: | 0.4 in | |
| detailed information | ||
forecast
| San Francisco |
Temperature
| San Francisco |
Air Temperature in October, °F
The highest day temperature in October 2025 was 84°F. The lowest night temperature was 51°F. The average values for day and night temperatures during October were 69.3°F и 55.9°F respectivly.
San Francisco Water Sea Temperature in October, °F
The average sea surface temperature in October 2025 for San Francisco was 65.4°F. The maximum and minimum values were 63.8°F and 67.0°F respectively.
Most of the days in October are sunny but you can also expect cloudy and gloomy days.
Precipitation Totals in October, in
Precipitation total in October for San Francisco is 0.4 in.
The average wind speed in October is 6.9 mph. It makes October the most windless month of the year for San Francisco.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for San Francisco in October is 7.7 hours.
San Francisco on the Weather Map
| Chicago |  |
-2 |
| Hawaii | |
+78 |
| Honolulu | |
+78 |
| Houston | |
+44 |
| Las Vegas |  |
+40 |
| Los Angeles | |
+52 |
| Maui | |
+72 |
| Miami | |
+72 |
| Miami Beach |  |
+80 |
| New York | |
+18 |
| San Diego | |
+54 |
| San Francisco | |
+46 |
| Sarasota | |
+62 |
| Tampa | |
+62 |
| Washington | |
+28 |
| 0300 |  |
46°F | SW 3 mph |
| 0600 |  |
48°F | SW 4 mph |
| 0900 | |
48°F | SW 5 mph |
| 1200 | |
48°F | SW 3 mph |
| 1500 |  |
50°F | SE 2 mph |
| 1800 | |
50°F | E 4 mph |
| 2100 | |
52°F | E 3 mph |
| 0000 | |
52°F | N 2 mph |