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What is Healdsburg Branch Sonoma County Library, CA, Weather Like in October?
During the month of October, Healdsburg Branch Sonoma County Library, CA,
has an average daytime high temperature of 78°F and an average overnight low temperature dropping to 49°F.
Around 2.20 inches of precipitation is received during the month,
with about 29.84 inches falling in a typical year.
Snow is not common in Healdsburg Branch Sonoma County Library, CA.
October 2025: Actual vs. Average Temperatures
Showing temperatures through today (October 26, 2025)
Actual High
Average High
Actual Low
Average Low
Month Summary
Average High: 75.9 F
(-2.1 vs avg)
Average Low: 50.6 F
(+1.6 vs avg)
Actual data from: PWS_HBRG1440
Healdsburg Branch Sonoma County Library, CA Daily Weather Averages for October
Recorded at Healdsburg
(usc00043875),
1.1 miles
N of
Healdsburg Branch Sonoma County Library, CA
| Day | Avg Temps (°F) | Precip (in) | Snow (in) | Degree Days (°F) | |||||
|---|---|---|---|---|---|---|---|---|---|
| Low | High | Mean | Month | Year | Month | Year | Heat | Cool | |
| 10/1 | 51 F | 81 F | 66 F | 0.03" | 27.67" | 0.00" | 0.00" | 1.4 F | 2.4 F |
| 10/2 | 51 F | 81 F | 66 F | 0.05" | 27.69" | 0.00" | 0.00" | 1.5 F | 2.3 F |
| 10/3 | 51 F | 81 F | 66 F | 0.08" | 27.72" | 0.00" | 0.00" | 1.6 F | 2.3 F |
| 10/4 | 50 F | 80 F | 65 F | 0.11" | 27.75" | 0.00" | 0.00" | 1.8 F | 2.2 F |
| 10/5 | 50 F | 80 F | 65 F | 0.15" | 27.79" | 0.00" | 0.00" | 1.9 F | 2.1 F |
| 10/6 | 50 F | 80 F | 65 F | 0.18" | 27.82" | 0.00" | 0.00" | 2 F | 2 F |
| 10/7 | 50 F | 80 F | 65 F | 0.22" | 27.86" | 0.00" | 0.00" | 2.1 F | 1.9 F |
| 10/8 | 50 F | 79 F | 65 F | 0.26" | 27.90" | 0.00" | 0.00" | 2.2 F | 1.8 F |
| 10/9 | 50 F | 79 F | 64 F | 0.30" | 27.94" | 0.00" | 0.00" | 2.3 F | 1.7 F |
| 10/10 | 50 F | 79 F | 64 F | 0.35" | 27.99" | 0.00" | 0.00" | 2.4 F | 1.7 F |
| 10/11 | 49 F | 79 F | 64 F | 0.40" | 28.04" | 0.00" | 0.00" | 2.6 F | 1.6 F |
| 10/12 | 49 F | 78 F | 64 F | 0.45" | 28.09" | 0.00" | 0.00" | 2.7 F | 1.5 F |
| 10/13 | 49 F | 78 F | 64 F | 0.50" | 28.14" | 0.00" | 0.00" | 2.9 F | 1.5 F |
| 10/14 | 49 F | 78 F | 63 F | 0.56" | 28.20" | 0.00" | 0.00" | 3 F | 1.4 F |
| 10/15 | 49 F | 78 F | 63 F | 0.63" | 28.27" | 0.00" | 0.00" | 3.1 F | 1.2 F |
| 10/16 | 49 F | 77 F | 63 F | 0.70" | 28.34" | 0.00" | 0.00" | 3.3 F | 1.2 F |
| 10/17 | 48 F | 77 F | 63 F | 0.77" | 28.41" | 0.00" | 0.00" | 3.5 F | 1.1 F |
| 10/18 | 48 F | 77 F | 62 F | 0.85" | 28.49" | 0.00" | 0.00" | 3.6 F | 1 F |
| 10/19 | 48 F | 76 F | 62 F | 0.93" | 28.57" | 0.00" | 0.00" | 3.8 F | 1 F |
| 10/20 | 48 F | 76 F | 62 F | 1.01" | 28.65" | 0.00" | 0.00" | 4 F | 0.9 F |
| 10/21 | 48 F | 76 F | 62 F | 1.10" | 28.74" | 0.00" | 0.00" | 4.1 F | 0.8 F |
| 10/22 | 48 F | 75 F | 61 F | 1.18" | 28.82" | 0.00" | 0.00" | 4.3 F | 0.7 F |
| 10/23 | 47 F | 75 F | 61 F | 1.27" | 28.91" | 0.00" | 0.00" | 4.5 F | 0.6 F |
| 10/24 | 47 F | 75 F | 61 F | 1.37" | 29.01" | 0.00" | 0.00" | 4.7 F | 0.6 F |
| 10/25 | 47 F | 74 F | 61 F | 1.48" | 29.12" | 0.00" | 0.00" | 5 F | 0.5 F |
| 10/26 | 47 F | 74 F | 60 F | 1.60" | 29.24" | 0.00" | 0.00" | 5.2 F | 0.4 F |
| 10/27 | 47 F | 73 F | 60 F | 1.72" | 29.36" | 0.00" | 0.00" | 5.4 F | 0.4 F |
| 10/28 | 46 F | 73 F | 60 F | 1.84" | 29.48" | 0.00" | 0.00" | 5.7 F | 0.3 F |
| 10/29 | 46 F | 73 F | 59 F | 1.96" | 29.60" | 0.00" | 0.00" | 6 F | 0.3 F |
| 10/30 | 46 F | 72 F | 59 F | 2.08" | 29.72" | 0.00" | 0.00" | 6.2 F | 0.3 F |
| 10/31 | 46 F | 72 F | 59 F | 2.20" | 29.84" | 0.00" | 0.00" | 6.5 F | 0.3 F |
