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What is Farallon Island, CA, Weather Like in October?
During the month of October, Farallon Island, CA,
has an average daytime high temperature of 67°F and an average overnight low temperature dropping to 53°F.
Around 0.90 inches of precipitation is received during the month,
with about 14.20 inches falling in a typical year.
Snow is not common in Farallon Island, CA.
October 2025: Actual vs. Average Temperatures
Showing temperatures through today (October 20, 2025)
Actual High
Average High
Actual Low
Average Low
Month Summary
Average High: 69.6 F
(+3.1 vs avg)
Average Low: 55.5 F
(+1.6 vs avg)
Daytime temperatures were significantly above average.
Actual data from: PWS_HEDVIG
Farallon Island, CA Daily Weather Averages for October
Recorded at San Francisco Oceanside
(usc00047767),
27.2 miles
E of
Farallon Island, CA
| Day | Avg Temps (°F) | Precip (in) | Snow (in) | Degree Days (°F) | |||||
|---|---|---|---|---|---|---|---|---|---|
| Low | High | Mean | Month | Year | Month | Year | Heat | Cool | |
| 10/1 | 55 F | 66 F | 60 F | 0.01" | 13.31" | 0.00" | 0.00" | 5.3 F | 0.5 F |
| 10/2 | 55 F | 66 F | 60 F | 0.03" | 13.33" | 0.00" | 0.00" | 5.3 F | 0.5 F |
| 10/3 | 55 F | 66 F | 60 F | 0.05" | 13.35" | 0.00" | 0.00" | 5.3 F | 0.5 F |
| 10/4 | 54 F | 66 F | 60 F | 0.06" | 13.36" | 0.00" | 0.00" | 5.2 F | 0.5 F |
| 10/5 | 54 F | 66 F | 60 F | 0.08" | 13.38" | 0.00" | 0.00" | 5.2 F | 0.5 F |
| 10/6 | 54 F | 66 F | 60 F | 0.10" | 13.40" | 0.00" | 0.00" | 5.2 F | 0.4 F |
| 10/7 | 54 F | 66 F | 60 F | 0.11" | 13.41" | 0.00" | 0.00" | 5.3 F | 0.4 F |
| 10/8 | 54 F | 66 F | 60 F | 0.13" | 13.43" | 0.00" | 0.00" | 5.3 F | 0.5 F |
| 10/9 | 54 F | 66 F | 60 F | 0.15" | 13.45" | 0.00" | 0.00" | 5.3 F | 0.5 F |
| 10/10 | 54 F | 66 F | 60 F | 0.16" | 13.46" | 0.00" | 0.00" | 5.3 F | 0.5 F |
| 10/11 | 54 F | 67 F | 60 F | 0.19" | 13.49" | 0.00" | 0.00" | 5.4 F | 0.5 F |
| 10/12 | 54 F | 67 F | 60 F | 0.21" | 13.51" | 0.00" | 0.00" | 5.4 F | 0.5 F |
| 10/13 | 54 F | 67 F | 60 F | 0.23" | 13.53" | 0.00" | 0.00" | 5.4 F | 0.4 F |
| 10/14 | 54 F | 67 F | 60 F | 0.26" | 13.56" | 0.00" | 0.00" | 5.4 F | 0.4 F |
| 10/15 | 53 F | 67 F | 60 F | 0.29" | 13.59" | 0.00" | 0.00" | 5.4 F | 0.4 F |
| 10/16 | 53 F | 67 F | 60 F | 0.32" | 13.62" | 0.00" | 0.00" | 5.4 F | 0.4 F |
| 10/17 | 53 F | 67 F | 60 F | 0.35" | 13.65" | 0.00" | 0.00" | 5.5 F | 0.4 F |
| 10/18 | 53 F | 67 F | 60 F | 0.38" | 13.68" | 0.00" | 0.00" | 5.6 F | 0.4 F |
| 10/19 | 53 F | 67 F | 60 F | 0.42" | 13.72" | 0.00" | 0.00" | 5.7 F | 0.5 F |
| 10/20 | 53 F | 67 F | 60 F | 0.45" | 13.75" | 0.00" | 0.00" | 5.8 F | 0.5 F |
| 10/21 | 53 F | 67 F | 60 F | 0.48" | 13.78" | 0.00" | 0.00" | 5.8 F | 0.5 F |
| 10/22 | 53 F | 67 F | 60 F | 0.52" | 13.82" | 0.00" | 0.00" | 5.9 F | 0.5 F |
| 10/23 | 53 F | 67 F | 60 F | 0.56" | 13.86" | 0.00" | 0.00" | 5.9 F | 0.5 F |
| 10/24 | 52 F | 67 F | 60 F | 0.60" | 13.90" | 0.00" | 0.00" | 6 F | 0.4 F |
| 10/25 | 52 F | 67 F | 59 F | 0.64" | 13.94" | 0.00" | 0.00" | 6 F | 0.4 F |
| 10/26 | 52 F | 67 F | 59 F | 0.68" | 13.98" | 0.00" | 0.00" | 6.1 F | 0.4 F |
| 10/27 | 52 F | 66 F | 59 F | 0.73" | 14.03" | 0.00" | 0.00" | 6.2 F | 0.4 F |
| 10/28 | 52 F | 66 F | 59 F | 0.77" | 14.07" | 0.00" | 0.00" | 6.3 F | 0.4 F |
| 10/29 | 52 F | 66 F | 59 F | 0.81" | 14.11" | 0.00" | 0.00" | 6.4 F | 0.4 F |
| 10/30 | 52 F | 66 F | 59 F | 0.86" | 14.16" | 0.00" | 0.00" | 6.5 F | 0.4 F |
| 10/31 | 52 F | 66 F | 59 F | 0.90" | 14.20" | 0.00" | 0.00" | 6.6 F | 0.4 F |
