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What is San Bruno Public Library, CA, Weather Like in October?
During the month of October, San Bruno Public Library, CA,
has an average daytime high temperature of 73°F and an average overnight low temperature dropping to 54°F.
Around 0.79 inches of precipitation is received during the month,
with about 13.46 inches falling in a typical year.
Snow is not common in San Bruno Public Library, CA.
October 2025: Actual vs. Average Temperatures
Showing temperatures through today (October 24, 2025)
Actual High
Average High
Actual Low
Average Low
Month Summary
Average High: 70.3 F
(-2.8 vs avg)
Average Low: 56.6 F
(+2.6 vs avg)
Actual data from: KSFO
San Bruno Public Library, CA Daily Weather Averages for October
Recorded at San Francisco Intl Ap
(usw00023234),
2.8 miles
E of
San Bruno Public Library, 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 | 75 F | 65 F | 0.01" | 12.68" | N/A | N/A | 1.9 F | 1.8 F |
| 10/2 | 55 F | 74 F | 65 F | 0.02" | 12.69" | N/A | N/A | 2 F | 1.7 F |
| 10/3 | 55 F | 74 F | 65 F | 0.04" | 12.71" | N/A | N/A | 2 F | 1.6 F |
| 10/4 | 55 F | 74 F | 65 F | 0.05" | 12.72" | N/A | N/A | 2 F | 1.6 F |
| 10/5 | 55 F | 74 F | 65 F | 0.06" | 12.73" | N/A | N/A | 2.1 F | 1.6 F |
| 10/6 | 55 F | 74 F | 64 F | 0.08" | 12.75" | N/A | N/A | 2.2 F | 1.5 F |
| 10/7 | 55 F | 74 F | 64 F | 0.09" | 12.76" | N/A | N/A | 2.2 F | 1.5 F |
| 10/8 | 55 F | 74 F | 64 F | 0.11" | 12.78" | N/A | N/A | 2.3 F | 1.5 F |
| 10/9 | 54 F | 74 F | 64 F | 0.12" | 12.79" | N/A | N/A | 2.4 F | 1.4 F |
| 10/10 | 54 F | 74 F | 64 F | 0.14" | 12.81" | N/A | N/A | 2.5 F | 1.4 F |
| 10/11 | 54 F | 73 F | 64 F | 0.15" | 12.82" | N/A | N/A | 2.5 F | 1.3 F |
| 10/12 | 54 F | 73 F | 64 F | 0.18" | 12.85" | N/A | N/A | 2.6 F | 1.3 F |
| 10/13 | 54 F | 73 F | 64 F | 0.20" | 12.87" | N/A | N/A | 2.7 F | 1.2 F |
| 10/14 | 54 F | 73 F | 63 F | 0.22" | 12.89" | N/A | N/A | 2.8 F | 1.2 F |
| 10/15 | 54 F | 73 F | 63 F | 0.25" | 12.92" | N/A | N/A | 2.9 F | 1.1 F |
| 10/16 | 54 F | 73 F | 63 F | 0.27" | 12.94" | N/A | N/A | 3 F | 1.1 F |
| 10/17 | 53 F | 72 F | 63 F | 0.30" | 12.97" | N/A | N/A | 3.1 F | 1 F |
| 10/18 | 53 F | 72 F | 63 F | 0.33" | 13.00" | N/A | N/A | 3.3 F | 1 F |
| 10/19 | 53 F | 72 F | 63 F | 0.35" | 13.02" | N/A | N/A | 3.4 F | 1 F |
| 10/20 | 53 F | 72 F | 62 F | 0.38" | 13.05" | N/A | N/A | 3.5 F | 0.9 F |
| 10/21 | 53 F | 72 F | 62 F | 0.41" | 13.08" | N/A | N/A | 3.6 F | 0.8 F |
| 10/22 | 53 F | 71 F | 62 F | 0.44" | 13.11" | N/A | N/A | 3.7 F | 0.8 F |
| 10/23 | 53 F | 71 F | 62 F | 0.47" | 13.14" | N/A | N/A | 3.9 F | 0.7 F |
| 10/24 | 52 F | 71 F | 62 F | 0.51" | 13.18" | N/A | N/A | 4 F | 0.6 F |
| 10/25 | 52 F | 71 F | 61 F | 0.55" | 13.22" | N/A | N/A | 4.1 F | 0.6 F |
| 10/26 | 52 F | 70 F | 61 F | 0.59" | 13.26" | N/A | N/A | 4.3 F | 0.5 F |
| 10/27 | 52 F | 70 F | 61 F | 0.63" | 13.30" | N/A | N/A | 4.5 F | 0.5 F |
| 10/28 | 52 F | 70 F | 61 F | 0.67" | 13.34" | N/A | N/A | 4.7 F | 0.5 F |
| 10/29 | 52 F | 70 F | 61 F | 0.71" | 13.38" | N/A | N/A | 4.9 F | 0.4 F |
| 10/30 | 51 F | 69 F | 60 F | 0.75" | 13.42" | N/A | N/A | 5 F | 0.4 F |
| 10/31 | 51 F | 69 F | 60 F | 0.79" | 13.46" | N/A | N/A | 5.2 F | 0.3 F |
