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What is Mammoth Pool Reservoir, CA, Weather Like in October?

During the month of October, Mammoth Pool Reservoir, CA, has an average daytime high temperature of 59°F and an average overnight low temperature dropping to 37°F. Around 2.29 inches of precipitation is received during the month, with about 33.67 inches falling in a typical year. Snow is not common in Mammoth Pool Reservoir, CA.

October 2025: Actual vs. Average Temperatures

Showing temperatures through today (October 22, 2025)
Actual High Average High Actual Low Average Low

Month Summary
Average High: 54.5 F (-5.5 vs avg)
Average Low: 35.6 F (-2.1 vs avg)

Daytime temperatures were significantly below average.

Actual data from: MID_HNTC1

Mammoth Pool Reservoir, CA Daily Weather Averages for October

Recorded at Huntington Lake (usc00044176), 9.9 miles SSE of Mammoth Pool Reservoir, CA
Day Avg Temps (°F) Precip (in) Snow (in) Degree Days (°F)
Low High Mean Month Year Month Year Heat Cool
10/1 40 F 63 F 52 F 0.04" 31.42" N/A N/A 13.4 F 0.1 F
10/2 40 F 63 F 51 F 0.08" 31.46" N/A N/A 13.7 F 0.1 F
10/3 40 F 63 F 51 F 0.12" 31.50" N/A N/A 14 F N/A
10/4 39 F 62 F 51 F 0.16" 31.54" N/A N/A 14.2 F N/A
10/5 39 F 62 F 51 F 0.21" 31.59" N/A N/A 14.5 F N/A
10/6 39 F 62 F 50 F 0.26" 31.64" N/A N/A 14.8 F N/A
10/7 39 F 61 F 50 F 0.30" 31.68" N/A N/A 15.1 F N/A
10/8 38 F 61 F 50 F 0.35" 31.73" N/A N/A 15.4 F N/A
10/9 38 F 61 F 49 F 0.40" 31.78" N/A N/A 15.7 F N/A
10/10 38 F 60 F 49 F 0.46" 31.84" N/A N/A 16 F N/A
10/11 38 F 60 F 49 F 0.51" 31.89" N/A N/A 16.3 F N/A
10/12 37 F 60 F 48 F 0.57" 31.95" N/A N/A 16.6 F N/A
10/13 37 F 59 F 48 F 0.64" 32.02" N/A N/A 16.8 F N/A
10/14 37 F 59 F 48 F 0.70" 32.08" N/A N/A 17.1 F N/A
10/15 37 F 59 F 48 F 0.77" 32.15" N/A N/A 17.4 F N/A
10/16 36 F 58 F 47 F 0.85" 32.23" N/A N/A 17.7 F N/A
10/17 36 F 58 F 47 F 0.93" 32.31" N/A N/A 18 F N/A
10/18 36 F 58 F 47 F 1.02" 32.40" N/A N/A 18.2 F N/A
10/19 36 F 57 F 47 F 1.09" 32.47" N/A N/A 18.5 F N/A
10/20 36 F 57 F 46 F 1.17" 32.55" N/A N/A 18.8 F N/A
10/21 35 F 57 F 46 F 1.25" 32.63" N/A N/A 19.1 F N/A
10/22 35 F 56 F 46 F 1.32" 32.70" N/A N/A 19.3 F N/A
10/23 35 F 56 F 45 F 1.40" 32.78" N/A N/A 19.6 F N/A
10/24 35 F 56 F 45 F 1.48" 32.86" N/A N/A 19.8 F N/A
10/25 35 F 55 F 45 F 1.59" 32.97" N/A N/A 20.1 F N/A
10/26 34 F 55 F 45 F 1.70" 33.08" N/A N/A 20.3 F N/A
10/27 34 F 55 F 44 F 1.82" 33.20" N/A N/A 20.6 F N/A
10/28 34 F 54 F 44 F 1.93" 33.31" N/A N/A 20.8 F N/A
10/29 34 F 54 F 44 F 2.05" 33.43" N/A N/A 21.1 F N/A
10/30 34 F 54 F 44 F 2.17" 33.55" N/A N/A 21.3 F N/A
10/31 34 F 53 F 43 F 2.29" 33.67" N/A N/A 21.6 F N/A
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