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What is Atherton, CA, Weather Like in October?
During the month of October, Atherton, CA,
has an average daytime high temperature of 75°F and an average overnight low temperature dropping to 50°F.
Around 0.87 inches of precipitation is received during the month,
with about 13.23 inches falling in a typical year.
Snow is not common in Atherton, CA.
October 2025: Actual vs. Average Temperatures
Showing temperatures through today (October 21, 2025)
Actual High
Average High
Actual Low
Average Low
Month Summary
Average High: 74.3 F
(-1.8 vs avg)
Average Low: 52.7 F
(+1.7 vs avg)
Actual data from: MID_RWCC1
Atherton, CA Daily Weather Averages for October
Recorded at Redwood City
(usc00047339),
2.5 miles
WNW of
Atherton, CA
| Day | Avg Temps (°F) | Precip (in) | Snow (in) | Degree Days (°F) | |||||
|---|---|---|---|---|---|---|---|---|---|
| Low | High | Mean | Month | Year | Month | Year | Heat | Cool | |
| 10/1 | 53 F | 78 F | 65 F | 0.01" | 12.37" | 0.00" | 0.00" | 1.8 F | 1.9 F |
| 10/2 | 52 F | 78 F | 65 F | 0.03" | 12.39" | 0.00" | 0.00" | 1.9 F | 1.8 F |
| 10/3 | 52 F | 77 F | 65 F | 0.04" | 12.40" | 0.00" | 0.00" | 1.9 F | 1.7 F |
| 10/4 | 52 F | 77 F | 65 F | 0.06" | 12.42" | 0.00" | 0.00" | 2 F | 1.7 F |
| 10/5 | 52 F | 77 F | 65 F | 0.08" | 12.44" | 0.00" | 0.00" | 2.1 F | 1.6 F |
| 10/6 | 52 F | 77 F | 64 F | 0.09" | 12.45" | 0.00" | 0.00" | 2.2 F | 1.5 F |
| 10/7 | 52 F | 77 F | 64 F | 0.11" | 12.47" | 0.00" | 0.00" | 2.4 F | 1.5 F |
| 10/8 | 51 F | 77 F | 64 F | 0.13" | 12.49" | 0.00" | 0.00" | 2.5 F | 1.4 F |
| 10/9 | 51 F | 76 F | 64 F | 0.15" | 12.51" | 0.00" | 0.00" | 2.6 F | 1.4 F |
| 10/10 | 51 F | 76 F | 64 F | 0.17" | 12.53" | 0.00" | 0.00" | 2.7 F | 1.3 F |
| 10/11 | 51 F | 76 F | 63 F | 0.19" | 12.55" | 0.00" | 0.00" | 2.8 F | 1.2 F |
| 10/12 | 51 F | 76 F | 63 F | 0.22" | 12.58" | 0.00" | 0.00" | 2.9 F | 1.1 F |
| 10/13 | 51 F | 76 F | 63 F | 0.24" | 12.60" | 0.00" | 0.00" | 3 F | 1.1 F |
| 10/14 | 50 F | 75 F | 63 F | 0.27" | 12.63" | 0.00" | 0.00" | 3.2 F | 1 F |
| 10/15 | 50 F | 75 F | 63 F | 0.30" | 12.66" | 0.00" | 0.00" | 3.3 F | 0.9 F |
| 10/16 | 50 F | 75 F | 62 F | 0.33" | 12.69" | 0.00" | 0.00" | 3.5 F | 0.9 F |
| 10/17 | 50 F | 75 F | 62 F | 0.36" | 12.72" | 0.00" | 0.00" | 3.7 F | 0.8 F |
| 10/18 | 50 F | 75 F | 62 F | 0.39" | 12.75" | 0.00" | 0.00" | 3.9 F | 0.8 F |
| 10/19 | 49 F | 74 F | 62 F | 0.42" | 12.78" | 0.00" | 0.00" | 4 F | 0.8 F |
| 10/20 | 49 F | 74 F | 62 F | 0.45" | 12.81" | 0.00" | 0.00" | 4.2 F | 0.7 F |
| 10/21 | 49 F | 74 F | 61 F | 0.49" | 12.85" | 0.00" | 0.00" | 4.4 F | 0.6 F |
| 10/22 | 49 F | 73 F | 61 F | 0.52" | 12.88" | 0.00" | 0.00" | 4.5 F | 0.5 F |
| 10/23 | 48 F | 73 F | 61 F | 0.56" | 12.92" | 0.00" | 0.00" | 4.7 F | 0.5 F |
| 10/24 | 48 F | 73 F | 61 F | 0.60" | 12.96" | 0.00" | 0.00" | 4.9 F | 0.4 F |
| 10/25 | 48 F | 73 F | 60 F | 0.64" | 13.00" | 0.00" | 0.00" | 5.1 F | 0.4 F |
| 10/26 | 48 F | 72 F | 60 F | 0.68" | 13.04" | 0.00" | 0.00" | 5.3 F | 0.3 F |
| 10/27 | 48 F | 72 F | 60 F | 0.72" | 13.08" | 0.00" | 0.00" | 5.6 F | 0.3 F |
| 10/28 | 47 F | 72 F | 59 F | 0.76" | 13.12" | 0.00" | 0.00" | 5.8 F | 0.3 F |
| 10/29 | 47 F | 71 F | 59 F | 0.80" | 13.16" | 0.00" | 0.00" | 6.1 F | 0.3 F |
| 10/30 | 47 F | 71 F | 59 F | 0.83" | 13.19" | 0.00" | 0.00" | 6.4 F | 0.2 F |
| 10/31 | 47 F | 70 F | 59 F | 0.87" | 13.23" | 0.00" | 0.00" | 6.6 F | 0.2 F |
