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What is Potholes Reservoir, WA, Weather Like in October?

During the month of October, Potholes Reservoir, WA, has an average daytime high temperature of 63°F and an average overnight low temperature dropping to 37°F. Around 0.66 inches of precipitation is received during the month, with about 5.83 inches falling in a typical year. Snow is not common in Potholes Reservoir, WA.

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: 64.2 F (-1.3 vs avg)
Average Low: 39.5 F (+1.1 vs avg)

Actual data from: KMWH

Potholes Reservoir, WA Daily Weather Averages for October

Recorded at Moses Lake Grant Co Ap (usw00024110), 13.5 miles N of Potholes Reservoir, WA
Day Avg Temps (°F) Precip (in) Snow (in) Degree Days (°F)
Low High Mean Month Year Month Year Heat Cool
10/1 42 F 72 F 57 F 0.01" 5.18" N/A N/A 8.5 F 0.2 F
10/2 42 F 71 F 56 F 0.03" 5.20" N/A N/A 8.9 F 0.1 F
10/3 41 F 70 F 56 F 0.04" 5.21" N/A N/A 9.3 F 0.1 F
10/4 41 F 70 F 55 F 0.05" 5.22" N/A N/A 9.8 F 0.1 F
10/5 41 F 69 F 55 F 0.07" 5.24" N/A N/A 10.2 F 0.1 F
10/6 40 F 69 F 54 F 0.09" 5.26" N/A N/A 10.7 F N/A
10/7 40 F 68 F 54 F 0.10" 5.27" N/A N/A 11.1 F N/A
10/8 39 F 68 F 54 F 0.12" 5.29" N/A N/A 11.6 F N/A
10/9 39 F 67 F 53 F 0.14" 5.31" N/A N/A 12 F N/A
10/10 39 F 66 F 53 F 0.16" 5.33" N/A N/A 12.5 F N/A
10/11 38 F 66 F 52 F 0.17" 5.34" N/A N/A 12.9 F N/A
10/12 38 F 65 F 52 F 0.19" 5.36" N/A N/A 13.4 F N/A
10/13 38 F 65 F 51 F 0.21" 5.38" N/A N/A 13.9 F N/A
10/14 37 F 64 F 51 F 0.23" 5.40" N/A N/A 14.3 F N/A
10/15 37 F 63 F 50 F 0.26" 5.43" N/A N/A 14.8 F N/A
10/16 37 F 63 F 50 F 0.28" 5.45" N/A N/A 15.2 F N/A
10/17 37 F 62 F 49 F 0.30" 5.47" N/A N/A 15.7 F N/A
10/18 36 F 62 F 49 F 0.32" 5.49" N/A N/A 16.1 F N/A
10/19 36 F 61 F 48 F 0.35" 5.52" N/A N/A 16.6 F N/A
10/20 36 F 60 F 48 F 0.37" 5.54" N/A N/A 17 F N/A
10/21 35 F 60 F 48 F 0.39" 5.56" N/A N/A 17.5 F N/A
10/22 35 F 59 F 47 F 0.42" 5.59" N/A N/A 17.9 F N/A
10/23 35 F 59 F 47 F 0.45" 5.62" N/A N/A 18.4 F N/A
10/24 34 F 58 F 46 F 0.47" 5.64" N/A N/A 18.8 F N/A
10/25 34 F 58 F 46 F 0.50" 5.67" N/A N/A 19.2 F N/A
10/26 34 F 57 F 45 F 0.53" 5.70" N/A N/A 19.6 F N/A
10/27 34 F 56 F 45 F 0.55" 5.72" N/A N/A 20.1 F N/A
10/28 33 F 56 F 45 F 0.58" 5.75" N/A N/A 20.5 F N/A
10/29 33 F 55 F 44 F 0.61" 5.78" N/A N/A 20.9 F N/A
10/30 33 F 55 F 44 F 0.63" 5.80" N/A N/A 21.3 F N/A
10/31 32 F 54 F 43 F 0.66" 5.83" N/A N/A 21.7 F N/A
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