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What is Harrison Square, CA, Weather Like in October?
During the month of October, Harrison Square, CA,
has an average daytime high temperature of 73°F and an average overnight low temperature dropping to 55°F.
Around 1.13 inches of precipitation is received during the month,
with about 15.51 inches falling in a typical year.
Snow is not common in Harrison Square, 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: 84.2 F
(+10.9 vs avg)
Average Low: 52.6 F
(-2.6 vs avg)
Daytime temperatures were significantly above average.
Actual data from: PWS_KCAOAKLA657
Harrison Square, CA Daily Weather Averages for October
Recorded at Oakland Museum
(usc00046336),
0.3 miles
E of
Harrison Square, CA
| Day | Avg Temps (°F) | Precip (in) | Snow (in) | Degree Days (°F) | |||||
|---|---|---|---|---|---|---|---|---|---|
| Low | High | Mean | Month | Year | Month | Year | Heat | Cool | |
| 10/1 | 56 F | 74 F | 65 F | 0.02" | 14.40" | 0.00" | 0.00" | 1.7 F | 2 F |
| 10/2 | 56 F | 74 F | 65 F | 0.03" | 14.41" | 0.00" | 0.00" | 1.8 F | 2 F |
| 10/3 | 56 F | 74 F | 65 F | 0.05" | 14.43" | 0.00" | 0.00" | 1.8 F | 1.9 F |
| 10/4 | 56 F | 74 F | 65 F | 0.07" | 14.45" | 0.00" | 0.00" | 1.8 F | 1.9 F |
| 10/5 | 56 F | 74 F | 65 F | 0.09" | 14.47" | 0.00" | 0.00" | 1.9 F | 1.9 F |
| 10/6 | 56 F | 74 F | 65 F | 0.11" | 14.49" | 0.00" | 0.00" | 1.9 F | 1.8 F |
| 10/7 | 56 F | 74 F | 65 F | 0.13" | 14.51" | 0.00" | 0.00" | 2 F | 1.8 F |
| 10/8 | 56 F | 74 F | 65 F | 0.15" | 14.53" | 0.00" | 0.00" | 2 F | 1.7 F |
| 10/9 | 56 F | 74 F | 65 F | 0.17" | 14.55" | 0.00" | 0.00" | 2.1 F | 1.7 F |
| 10/10 | 56 F | 74 F | 65 F | 0.20" | 14.58" | 0.00" | 0.00" | 2.1 F | 1.6 F |
| 10/11 | 55 F | 74 F | 64 F | 0.22" | 14.60" | 0.00" | 0.00" | 2.2 F | 1.6 F |
| 10/12 | 55 F | 73 F | 64 F | 0.25" | 14.63" | 0.00" | 0.00" | 2.2 F | 1.5 F |
| 10/13 | 55 F | 73 F | 64 F | 0.28" | 14.66" | 0.00" | 0.00" | 2.3 F | 1.5 F |
| 10/14 | 55 F | 73 F | 64 F | 0.31" | 14.69" | 0.00" | 0.00" | 2.3 F | 1.4 F |
| 10/15 | 55 F | 73 F | 64 F | 0.34" | 14.72" | 0.00" | 0.00" | 2.4 F | 1.4 F |
| 10/16 | 55 F | 73 F | 64 F | 0.38" | 14.76" | 0.00" | 0.00" | 2.5 F | 1.3 F |
| 10/17 | 55 F | 73 F | 64 F | 0.41" | 14.79" | 0.00" | 0.00" | 2.6 F | 1.3 F |
| 10/18 | 55 F | 73 F | 64 F | 0.46" | 14.84" | 0.00" | 0.00" | 2.7 F | 1.3 F |
| 10/19 | 54 F | 73 F | 63 F | 0.50" | 14.88" | 0.00" | 0.00" | 2.7 F | 1.2 F |
| 10/20 | 54 F | 72 F | 63 F | 0.54" | 14.92" | 0.00" | 0.00" | 2.8 F | 1.1 F |
| 10/21 | 54 F | 72 F | 63 F | 0.58" | 14.96" | 0.00" | 0.00" | 2.9 F | 1 F |
| 10/22 | 54 F | 72 F | 63 F | 0.63" | 15.01" | 0.00" | 0.00" | 3 F | 1 F |
| 10/23 | 54 F | 72 F | 63 F | 0.68" | 15.06" | 0.00" | 0.00" | 3.1 F | 0.9 F |
| 10/24 | 54 F | 72 F | 63 F | 0.73" | 15.11" | 0.00" | 0.00" | 3.2 F | 0.8 F |
| 10/25 | 53 F | 72 F | 63 F | 0.79" | 15.17" | 0.00" | 0.00" | 3.3 F | 0.8 F |
| 10/26 | 53 F | 71 F | 62 F | 0.85" | 15.23" | 0.00" | 0.00" | 3.5 F | 0.7 F |
| 10/27 | 53 F | 71 F | 62 F | 0.90" | 15.28" | 0.00" | 0.00" | 3.6 F | 0.7 F |
| 10/28 | 53 F | 71 F | 62 F | 0.96" | 15.34" | 0.00" | 0.00" | 3.8 F | 0.7 F |
| 10/29 | 53 F | 71 F | 62 F | 1.02" | 15.40" | 0.00" | 0.00" | 3.9 F | 0.6 F |
| 10/30 | 53 F | 71 F | 62 F | 1.07" | 15.45" | 0.00" | 0.00" | 4.1 F | 0.6 F |
| 10/31 | 52 F | 70 F | 61 F | 1.13" | 15.51" | 0.00" | 0.00" | 4.2 F | 0.5 F |
