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What is Hornet Reservoir, ID, Weather Like in October?

During the month of October, Hornet Reservoir, ID, has an average daytime high temperature of 67°F and an average overnight low temperature dropping to 45°F. Around 1.10 inches of precipitation is received during the month, with about 11.35 inches falling in a typical year. Snow is not common in Hornet Reservoir, ID.

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: 63.9 F (-5.0 vs avg)
Average Low: 37.1 F (-9.5 vs avg)

This month was significantly cooler than average.

Actual data from: MID_F9167

Hornet Reservoir, ID Daily Weather Averages for October

Recorded at Brownlee Dam (usc00101180), 8.5 miles WNW of Hornet Reservoir, ID
Day Avg Temps (°F) Precip (in) Snow (in) Degree Days (°F)
Low High Mean Month Year Month Year Heat Cool
10/1 51 F 75 F 63 F 0.02" 10.27" N/A N/A 3.8 F 1.7 F
10/2 50 F 75 F 62 F 0.04" 10.29" N/A N/A 4.1 F 1.5 F
10/3 50 F 74 F 62 F 0.07" 10.32" N/A N/A 4.4 F 1.3 F
10/4 50 F 73 F 61 F 0.09" 10.34" N/A N/A 4.8 F 1.2 F
10/5 49 F 73 F 61 F 0.11" 10.36" N/A N/A 5.1 F 1 F
10/6 49 F 72 F 60 F 0.14" 10.39" N/A N/A 5.5 F 0.9 F
10/7 48 F 72 F 60 F 0.16" 10.41" N/A N/A 5.9 F 0.8 F
10/8 48 F 71 F 59 F 0.18" 10.43" N/A N/A 6.3 F 0.8 F
10/9 48 F 70 F 59 F 0.21" 10.46" N/A N/A 6.7 F 0.7 F
10/10 47 F 70 F 58 F 0.23" 10.48" N/A N/A 7.1 F 0.6 F
10/11 47 F 69 F 58 F 0.26" 10.51" N/A N/A 7.5 F 0.4 F
10/12 46 F 69 F 57 F 0.29" 10.54" N/A N/A 7.9 F 0.3 F
10/13 46 F 68 F 57 F 0.32" 10.57" N/A N/A 8.4 F 0.3 F
10/14 46 F 67 F 56 F 0.36" 10.61" N/A N/A 8.8 F 0.2 F
10/15 45 F 67 F 56 F 0.39" 10.64" N/A N/A 9.3 F 0.1 F
10/16 45 F 66 F 55 F 0.43" 10.68" N/A N/A 9.7 F 0.1 F
10/17 44 F 65 F 55 F 0.47" 10.72" N/A N/A 10.2 F 0.1 F
10/18 44 F 65 F 54 F 0.51" 10.76" N/A N/A 10.7 F 0.1 F
10/19 44 F 64 F 54 F 0.54" 10.79" N/A N/A 11.2 F 0.1 F
10/20 43 F 64 F 53 F 0.58" 10.83" N/A N/A 11.6 F N/A
10/21 43 F 63 F 53 F 0.62" 10.87" N/A N/A 12.1 F N/A
10/22 42 F 63 F 52 F 0.66" 10.91" N/A N/A 12.6 F N/A
10/23 42 F 62 F 52 F 0.70" 10.95" N/A N/A 13.1 F N/A
10/24 42 F 61 F 52 F 0.75" 11.00" N/A N/A 13.6 F N/A
10/25 41 F 61 F 51 F 0.80" 11.05" N/A N/A 14 F N/A
10/26 41 F 60 F 51 F 0.85" 11.10" N/A N/A 14.5 F N/A
10/27 41 F 60 F 50 F 0.89" 11.14" N/A N/A 14.9 F N/A
10/28 40 F 59 F 50 F 0.94" 11.19" N/A N/A 15.4 F N/A
10/29 40 F 58 F 49 F 1.00" 11.25" N/A N/A 15.9 F N/A
10/30 40 F 58 F 49 F 1.05" 11.30" N/A N/A 16.3 F N/A
10/31 39 F 57 F 48 F 1.10" 11.35" N/A N/A 16.7 F N/A
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