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What is Mountain House, CA, Weather Like in October?
During the month of October, Mountain House, CA,
has an average daytime high temperature of 80°F and an average overnight low temperature dropping to 55°F.
Around 0.67 inches of precipitation is received during the month,
with about 8.68 inches falling in a typical year.
Snow is not common in Mountain House, 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: 67.9 F
(-12.5 vs avg)
Average Low: 42.6 F
(-12.7 vs avg)
This month was significantly cooler than average.
Actual data from: MID_D0946
Mountain House, CA Daily Weather Averages for October
Recorded at Tracy Pumping Plt
(usc00049001),
2.4 miles
WNW of
Mountain House, 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 | 85 F | 71 F | 0.01" | 8.02" | 0.00" | 0.00" | 0.2 F | 6.6 F |
| 10/2 | 58 F | 85 F | 71 F | 0.02" | 8.03" | 0.00" | 0.00" | 0.3 F | 6.4 F |
| 10/3 | 58 F | 84 F | 71 F | 0.03" | 8.04" | 0.00" | 0.00" | 0.3 F | 6.2 F |
| 10/4 | 57 F | 84 F | 71 F | 0.05" | 8.06" | 0.00" | 0.00" | 0.3 F | 6 F |
| 10/5 | 57 F | 84 F | 70 F | 0.06" | 8.07" | 0.00" | 0.00" | 0.4 F | 5.7 F |
| 10/6 | 57 F | 83 F | 70 F | 0.07" | 8.08" | 0.00" | 0.00" | 0.4 F | 5.5 F |
| 10/7 | 57 F | 83 F | 70 F | 0.08" | 8.09" | 0.00" | 0.00" | 0.5 F | 5.2 F |
| 10/8 | 57 F | 82 F | 70 F | 0.10" | 8.11" | 0.00" | 0.00" | 0.5 F | 5 F |
| 10/9 | 56 F | 82 F | 69 F | 0.11" | 8.12" | 0.00" | 0.00" | 0.6 F | 4.7 F |
| 10/10 | 56 F | 82 F | 69 F | 0.12" | 8.13" | 0.00" | 0.00" | 0.6 F | 4.5 F |
| 10/11 | 56 F | 81 F | 69 F | 0.14" | 8.15" | 0.00" | 0.00" | 0.7 F | 4.3 F |
| 10/12 | 56 F | 81 F | 68 F | 0.15" | 8.16" | 0.00" | 0.00" | 0.8 F | 4 F |
| 10/13 | 55 F | 81 F | 68 F | 0.17" | 8.18" | 0.00" | 0.00" | 0.8 F | 3.8 F |
| 10/14 | 55 F | 80 F | 68 F | 0.19" | 8.20" | 0.00" | 0.00" | 0.9 F | 3.5 F |
| 10/15 | 55 F | 80 F | 67 F | 0.21" | 8.22" | 0.00" | 0.00" | 1 F | 3.3 F |
| 10/16 | 55 F | 79 F | 67 F | 0.24" | 8.25" | 0.00" | 0.00" | 1.1 F | 3 F |
| 10/17 | 54 F | 79 F | 67 F | 0.26" | 8.27" | 0.00" | 0.00" | 1.2 F | 2.8 F |
| 10/18 | 54 F | 79 F | 66 F | 0.28" | 8.29" | 0.00" | 0.00" | 1.3 F | 2.6 F |
| 10/19 | 54 F | 78 F | 66 F | 0.31" | 8.32" | 0.00" | 0.00" | 1.4 F | 2.4 F |
| 10/20 | 54 F | 78 F | 66 F | 0.33" | 8.34" | 0.00" | 0.00" | 1.5 F | 2.1 F |
| 10/21 | 53 F | 77 F | 65 F | 0.36" | 8.37" | 0.00" | 0.00" | 1.7 F | 1.9 F |
| 10/22 | 53 F | 77 F | 65 F | 0.38" | 8.39" | 0.00" | 0.00" | 1.9 F | 1.8 F |
| 10/23 | 53 F | 76 F | 65 F | 0.41" | 8.42" | 0.00" | 0.00" | 2 F | 1.6 F |
| 10/24 | 53 F | 76 F | 64 F | 0.44" | 8.45" | 0.00" | 0.00" | 2.2 F | 1.4 F |
| 10/25 | 52 F | 75 F | 64 F | 0.47" | 8.48" | 0.00" | 0.00" | 2.5 F | 1.3 F |
| 10/26 | 52 F | 75 F | 64 F | 0.50" | 8.51" | 0.00" | 0.00" | 2.7 F | 1.2 F |
| 10/27 | 52 F | 75 F | 63 F | 0.53" | 8.54" | 0.00" | 0.00" | 2.9 F | 1 F |
| 10/28 | 51 F | 74 F | 63 F | 0.57" | 8.58" | 0.00" | 0.00" | 3.2 F | 0.9 F |
| 10/29 | 51 F | 74 F | 62 F | 0.60" | 8.61" | 0.00" | 0.00" | 3.5 F | 0.8 F |
| 10/30 | 51 F | 73 F | 62 F | 0.64" | 8.65" | 0.00" | 0.00" | 3.8 F | 0.7 F |
| 10/31 | 51 F | 73 F | 62 F | 0.67" | 8.68" | 0.00" | 0.00" | 4 F | 0.6 F |
