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What is San Ramon Valley High School, CA, Weather Like in October?
During the month of October, San Ramon Valley High School, CA,
has an average daytime high temperature of 72°F and an average overnight low temperature dropping to 54°F.
Around 1.19 inches of precipitation is received during the month,
with about 18.32 inches falling in a typical year.
As you might expect, snow is not common in the month of October.
Annually, San Ramon Valley High School receives around 0.70 inches of snow.
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: 59.7 F
(-13.5 vs avg)
Average Low: 48.5 F
(-6.6 vs avg)
This month was significantly cooler than average.
Actual data from: MID_579PG
San Ramon Valley High School, CA Daily Weather Averages for October
Recorded at Mt Diablo Junction
(usc00045915),
5.5 miles
NE of
San Ramon Valley High School, CA
| Day | Avg Temps (°F) | Precip (in) | Snow (in) | Degree Days (°F) | |||||
|---|---|---|---|---|---|---|---|---|---|
| Low | High | Mean | Month | Year | Month | Year | Heat | Cool | |
| 10/1 | 58 F | 77 F | 67 F | 0.02" | 17.15" | 0.00" | 0.70" | 2.7 F | 4.7 F |
| 10/2 | 57 F | 76 F | 67 F | 0.04" | 17.17" | 0.00" | 0.70" | 2.8 F | 4.6 F |
| 10/3 | 57 F | 76 F | 67 F | 0.06" | 17.19" | 0.00" | 0.70" | 2.9 F | 4.4 F |
| 10/4 | 57 F | 76 F | 66 F | 0.08" | 17.21" | 0.00" | 0.70" | 3 F | 4.3 F |
| 10/5 | 57 F | 75 F | 66 F | 0.10" | 17.23" | 0.00" | 0.70" | 3.1 F | 4.1 F |
| 10/6 | 57 F | 75 F | 66 F | 0.13" | 17.26" | 0.00" | 0.70" | 3.2 F | 4 F |
| 10/7 | 56 F | 75 F | 66 F | 0.15" | 17.28" | 0.00" | 0.70" | 3.3 F | 3.8 F |
| 10/8 | 56 F | 74 F | 65 F | 0.17" | 17.30" | 0.00" | 0.70" | 3.4 F | 3.6 F |
| 10/9 | 56 F | 74 F | 65 F | 0.20" | 17.33" | 0.00" | 0.70" | 3.5 F | 3.4 F |
| 10/10 | 56 F | 74 F | 65 F | 0.22" | 17.35" | 0.00" | 0.70" | 3.6 F | 3.2 F |
| 10/11 | 55 F | 74 F | 64 F | 0.25" | 17.38" | 0.00" | 0.70" | 3.7 F | 3.1 F |
| 10/12 | 55 F | 73 F | 64 F | 0.29" | 17.42" | 0.00" | 0.70" | 3.8 F | 2.9 F |
| 10/13 | 55 F | 73 F | 64 F | 0.32" | 17.45" | 0.00" | 0.70" | 4 F | 2.8 F |
| 10/14 | 55 F | 73 F | 64 F | 0.35" | 17.48" | 0.00" | 0.70" | 4.1 F | 2.6 F |
| 10/15 | 54 F | 72 F | 63 F | 0.39" | 17.52" | 0.00" | 0.70" | 4.2 F | 2.5 F |
| 10/16 | 54 F | 72 F | 63 F | 0.43" | 17.56" | 0.00" | 0.70" | 4.4 F | 2.3 F |
| 10/17 | 54 F | 72 F | 63 F | 0.47" | 17.60" | 0.00" | 0.70" | 4.6 F | 2.2 F |
| 10/18 | 54 F | 71 F | 62 F | 0.51" | 17.64" | 0.00" | 0.70" | 4.8 F | 2.1 F |
| 10/19 | 53 F | 71 F | 62 F | 0.55" | 17.68" | 0.00" | 0.70" | 4.9 F | 2 F |
| 10/20 | 53 F | 71 F | 62 F | 0.60" | 17.73" | 0.00" | 0.70" | 5.1 F | 1.9 F |
| 10/21 | 53 F | 70 F | 62 F | 0.64" | 17.77" | 0.00" | 0.70" | 5.3 F | 1.7 F |
| 10/22 | 53 F | 70 F | 61 F | 0.69" | 17.82" | 0.00" | 0.70" | 5.5 F | 1.6 F |
| 10/23 | 52 F | 69 F | 61 F | 0.74" | 17.87" | 0.00" | 0.70" | 5.7 F | 1.5 F |
| 10/24 | 52 F | 69 F | 61 F | 0.79" | 17.92" | 0.00" | 0.70" | 5.9 F | 1.4 F |
| 10/25 | 52 F | 69 F | 60 F | 0.84" | 17.97" | 0.00" | 0.70" | 6.1 F | 1.3 F |
| 10/26 | 52 F | 68 F | 60 F | 0.90" | 18.03" | 0.00" | 0.70" | 6.3 F | 1.2 F |
| 10/27 | 51 F | 68 F | 60 F | 0.96" | 18.09" | 0.00" | 0.70" | 6.5 F | 1.1 F |
| 10/28 | 51 F | 68 F | 59 F | 1.02" | 18.15" | 0.00" | 0.70" | 6.8 F | 1.1 F |
| 10/29 | 51 F | 67 F | 59 F | 1.08" | 18.21" | 0.00" | 0.70" | 7 F | 1 F |
| 10/30 | 51 F | 67 F | 59 F | 1.13" | 18.26" | 0.00" | 0.70" | 7.3 F | 1 F |
| 10/31 | 50 F | 66 F | 58 F | 1.19" | 18.32" | 0.00" | 0.70" | 7.5 F | 0.9 F |
