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What is Blossom Valley, CA, Weather Like in October?
During the month of October, Blossom Valley, CA,
has an average daytime high temperature of 88°F and an average overnight low temperature dropping to 52°F.
Around 0.84 inches of precipitation is received during the month,
with about 12.68 inches falling in a typical year.
Snow is not common in Blossom Valley, CA.
October 2025: Actual vs. Average Temperatures
Showing temperatures through today (October 23, 2025)
Actual High
Average High
Actual Low
Average Low
Month Summary
Average High: 78.4 F
(-10.5 vs avg)
Average Low: 57 F
(+4.8 vs avg)
Nighttime temperatures were significantly above average.
Actual data from: MID_BVYSD
Blossom Valley, CA Daily Weather Averages for October
Recorded at El Capitan Dam
(usc00042709),
3 miles
ENE of
Blossom Valley, CA
| Day | Avg Temps (°F) | Precip (in) | Snow (in) | Degree Days (°F) | |||||
|---|---|---|---|---|---|---|---|---|---|
| Low | High | Mean | Month | Year | Month | Year | Heat | Cool | |
| 10/1 | 54 F | 91 F | 72 F | 0.02" | 11.86" | 0.00" | 0.00" | 0.4 F | 7.6 F |
| 10/2 | 53 F | 91 F | 72 F | 0.04" | 11.88" | 0.00" | 0.00" | 0.4 F | 7.5 F |
| 10/3 | 53 F | 91 F | 72 F | 0.06" | 11.90" | 0.00" | 0.00" | 0.5 F | 7.4 F |
| 10/4 | 53 F | 90 F | 72 F | 0.08" | 11.92" | 0.00" | 0.00" | 0.5 F | 7.3 F |
| 10/5 | 53 F | 90 F | 72 F | 0.10" | 11.94" | 0.00" | 0.00" | 0.6 F | 7.2 F |
| 10/6 | 53 F | 90 F | 72 F | 0.12" | 11.96" | 0.00" | 0.00" | 0.6 F | 7.1 F |
| 10/7 | 53 F | 90 F | 71 F | 0.14" | 11.98" | 0.00" | 0.00" | 0.7 F | 7 F |
| 10/8 | 53 F | 90 F | 71 F | 0.16" | 12.00" | 0.00" | 0.00" | 0.7 F | 6.8 F |
| 10/9 | 53 F | 89 F | 71 F | 0.18" | 12.02" | 0.00" | 0.00" | 0.7 F | 6.7 F |
| 10/10 | 52 F | 89 F | 71 F | 0.21" | 12.05" | 0.00" | 0.00" | 0.7 F | 6.5 F |
| 10/11 | 52 F | 89 F | 71 F | 0.22" | 12.06" | 0.00" | 0.00" | 0.7 F | 6.4 F |
| 10/12 | 52 F | 89 F | 71 F | 0.24" | 12.08" | 0.00" | 0.00" | 0.7 F | 6.2 F |
| 10/13 | 52 F | 89 F | 70 F | 0.26" | 12.10" | 0.00" | 0.00" | 0.7 F | 6.1 F |
| 10/14 | 52 F | 88 F | 70 F | 0.29" | 12.13" | 0.00" | 0.00" | 0.7 F | 5.9 F |
| 10/15 | 52 F | 88 F | 70 F | 0.31" | 12.15" | 0.00" | 0.00" | 0.7 F | 5.7 F |
| 10/16 | 52 F | 88 F | 70 F | 0.34" | 12.18" | 0.00" | 0.00" | 0.7 F | 5.5 F |
| 10/17 | 51 F | 88 F | 70 F | 0.37" | 12.21" | 0.00" | 0.00" | 0.8 F | 5.4 F |
| 10/18 | 51 F | 88 F | 69 F | 0.40" | 12.24" | 0.00" | 0.00" | 0.8 F | 5.2 F |
| 10/19 | 51 F | 87 F | 69 F | 0.43" | 12.27" | 0.00" | 0.00" | 0.8 F | 5 F |
| 10/20 | 51 F | 87 F | 69 F | 0.46" | 12.30" | 0.00" | 0.00" | 0.8 F | 4.8 F |
| 10/21 | 51 F | 87 F | 69 F | 0.49" | 12.33" | 0.00" | 0.00" | 0.8 F | 4.7 F |
| 10/22 | 51 F | 87 F | 69 F | 0.52" | 12.36" | 0.00" | 0.00" | 0.9 F | 4.5 F |
| 10/23 | 50 F | 87 F | 68 F | 0.56" | 12.40" | 0.00" | 0.00" | 0.9 F | 4.4 F |
| 10/24 | 50 F | 86 F | 68 F | 0.59" | 12.43" | 0.00" | 0.00" | 1 F | 4.2 F |
| 10/25 | 50 F | 86 F | 68 F | 0.62" | 12.46" | 0.00" | 0.00" | 1.1 F | 4.1 F |
| 10/26 | 50 F | 86 F | 68 F | 0.65" | 12.49" | 0.00" | 0.00" | 1.2 F | 4 F |
| 10/27 | 50 F | 85 F | 68 F | 0.69" | 12.53" | 0.00" | 0.00" | 1.3 F | 3.8 F |
| 10/28 | 49 F | 85 F | 67 F | 0.73" | 12.57" | 0.00" | 0.00" | 1.4 F | 3.7 F |
| 10/29 | 49 F | 85 F | 67 F | 0.76" | 12.60" | 0.00" | 0.00" | 1.5 F | 3.5 F |
| 10/30 | 49 F | 85 F | 67 F | 0.80" | 12.64" | 0.00" | 0.00" | 1.6 F | 3.4 F |
| 10/31 | 49 F | 84 F | 67 F | 0.84" | 12.68" | 0.00" | 0.00" | 1.8 F | 3.3 F |
