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What is Roy, ID, Weather Like in October?

During the month of October, Roy, ID, has an average daytime high temperature of 63°F and an average overnight low temperature dropping to 34°F. Around 1.07 inches of precipitation is received during the month, with about 11.01 inches falling in a typical year. Snow is not common in Roy, ID.

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: 62.4 F (-2.4 vs avg)
Average Low: 39.9 F (+4.5 vs avg)

Nighttime temperatures were significantly above average.

Actual data from: MID_ITD34

Roy, ID Daily Weather Averages for October

Recorded at Massacre Rocks Sp (usc00105678), 22.7 miles NNW of Roy, ID
Day Avg Temps (°F) Precip (in) Snow (in) Degree Days (°F)
Low High Mean Month Year Month Year Heat Cool
10/1 38 F 70 F 54 F 0.03" 9.97" N/A N/A 11.2 F 0.3 F
10/2 38 F 69 F 54 F 0.07" 10.01" N/A N/A 11.6 F 0.2 F
10/3 38 F 69 F 53 F 0.10" 10.04" N/A N/A 12 F 0.2 F
10/4 38 F 68 F 53 F 0.14" 10.08" N/A N/A 12.3 F 0.2 F
10/5 37 F 68 F 53 F 0.17" 10.11" N/A N/A 12.7 F 0.1 F
10/6 37 F 67 F 52 F 0.20" 10.14" N/A N/A 13.1 F 0.1 F
10/7 37 F 67 F 52 F 0.24" 10.18" N/A N/A 13.5 F 0.1 F
10/8 36 F 66 F 51 F 0.27" 10.21" N/A N/A 13.9 F 0.1 F
10/9 36 F 66 F 51 F 0.30" 10.24" N/A N/A 14.3 F 0.1 F
10/10 36 F 65 F 50 F 0.33" 10.27" N/A N/A 14.7 F 0.1 F
10/11 35 F 65 F 50 F 0.37" 10.31" N/A N/A 15 F 0.1 F
10/12 35 F 64 F 50 F 0.40" 10.34" N/A N/A 15.4 F 0.1 F
10/13 35 F 64 F 49 F 0.44" 10.38" N/A N/A 15.8 F N/A
10/14 35 F 63 F 49 F 0.47" 10.41" N/A N/A 16.2 F N/A
10/15 34 F 63 F 48 F 0.51" 10.45" N/A N/A 16.6 F N/A
10/16 34 F 62 F 48 F 0.54" 10.48" N/A N/A 17 F N/A
10/17 34 F 62 F 48 F 0.58" 10.52" N/A N/A 17.4 F N/A
10/18 33 F 61 F 47 F 0.61" 10.55" N/A N/A 17.8 F N/A
10/19 33 F 61 F 47 F 0.65" 10.59" N/A N/A 18.2 F N/A
10/20 33 F 60 F 46 F 0.68" 10.62" N/A N/A 18.6 F N/A
10/21 32 F 60 F 46 F 0.72" 10.66" N/A N/A 19 F N/A
10/22 32 F 59 F 46 F 0.75" 10.69" N/A N/A 19.4 F N/A
10/23 32 F 59 F 45 F 0.79" 10.73" N/A N/A 19.8 F N/A
10/24 31 F 58 F 45 F 0.82" 10.76" N/A N/A 20.2 F N/A
10/25 31 F 58 F 44 F 0.86" 10.80" N/A N/A 20.6 F N/A
10/26 31 F 57 F 44 F 0.89" 10.83" N/A N/A 21 F N/A
10/27 30 F 57 F 44 F 0.93" 10.87" N/A N/A 21.4 F N/A
10/28 30 F 56 F 43 F 0.96" 10.90" N/A N/A 21.9 F N/A
10/29 30 F 56 F 43 F 1.00" 10.94" N/A N/A 22.3 F N/A
10/30 29 F 55 F 42 F 1.03" 10.97" N/A N/A 22.7 F N/A
10/31 29 F 55 F 42 F 1.07" 11.01" N/A N/A 23.1 F N/A
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