Your favorites:

What is Two Island Lake, SD, Weather Like in October?

During the month of October, Two Island Lake, SD, has an average daytime high temperature of 57°F and an average overnight low temperature dropping to 38°F. Around 2.21 inches of precipitation is received during the month, with about 23.38 inches falling in a typical year. 2.50 inches of snow is the mean amount received during October. Annually, Two Island Lake receives around 32.70 inches of snow.

October 2025: Actual vs. Average Temperatures

Showing temperatures through today (October 25, 2025)
Actual High Average High Actual Low Average Low

Month Summary
Average High: 62.6 F (+3.8 vs avg)
Average Low: 44.1 F (+5.2 vs avg)

This month was significantly warmer than average.

Actual data from: MID_MRLS2

Two Island Lake, SD Daily Weather Averages for October

Recorded at Roy Lake (usc00397326), 3.7 miles SSE of Two Island Lake, SD
Day Avg Temps (°F) Precip (in) Snow (in) Degree Days (°F)
Low High Mean Month Year Month Year Heat Cool
10/1 44 F 65 F 54 F 0.09" 21.26" 0.00" 30.20" 11 F 0.4 F
10/2 44 F 64 F 54 F 0.17" 21.34" 0.10" 30.30" 11.4 F 0.4 F
10/3 43 F 64 F 53 F 0.26" 21.43" 0.10" 30.30" 11.9 F 0.3 F
10/4 43 F 63 F 53 F 0.34" 21.51" 0.20" 30.40" 12.4 F 0.3 F
10/5 42 F 63 F 53 F 0.43" 21.60" 0.20" 30.40" 12.8 F 0.3 F
10/6 42 F 62 F 52 F 0.50" 21.67" 0.30" 30.50" 13.3 F 0.3 F
10/7 41 F 62 F 52 F 0.58" 21.75" 0.30" 30.50" 13.7 F 0.2 F
10/8 41 F 61 F 51 F 0.65" 21.82" 0.40" 30.60" 14.2 F 0.2 F
10/9 40 F 61 F 51 F 0.73" 21.90" 0.50" 30.70" 14.7 F 0.2 F
10/10 40 F 60 F 50 F 0.80" 21.97" 0.50" 30.70" 15.2 F 0.2 F
10/11 40 F 60 F 50 F 0.87" 22.04" 0.60" 30.80" 15.6 F 0.2 F
10/12 39 F 59 F 49 F 0.95" 22.12" 0.70" 30.90" 16.1 F 0.1 F
10/13 39 F 59 F 49 F 1.02" 22.19" 0.80" 31.00" 16.5 F 0.1 F
10/14 38 F 58 F 48 F 1.10" 22.27" 0.80" 31.00" 17 F 0.1 F
10/15 38 F 57 F 48 F 1.18" 22.35" 0.90" 31.10" 17.5 F 0.1 F
10/16 37 F 57 F 47 F 1.26" 22.43" 1.00" 31.20" 18 F N/A
10/17 37 F 56 F 47 F 1.34" 22.51" 1.10" 31.30" 18.4 F N/A
10/18 36 F 56 F 46 F 1.42" 22.59" 1.20" 31.40" 18.9 F N/A
10/19 36 F 55 F 46 F 1.49" 22.66" 1.30" 31.50" 19.4 F N/A
10/20 36 F 55 F 45 F 1.57" 22.74" 1.40" 31.60" 19.9 F N/A
10/21 35 F 54 F 45 F 1.63" 22.80" 1.50" 31.70" 20.4 F N/A
10/22 35 F 54 F 44 F 1.70" 22.87" 1.60" 31.80" 20.9 F N/A
10/23 34 F 53 F 44 F 1.76" 22.93" 1.70" 31.90" 21.4 F N/A
10/24 34 F 52 F 43 F 1.83" 23.00" 1.80" 32.00" 21.9 F N/A
10/25 33 F 52 F 43 F 1.89" 23.06" 1.90" 32.10" 22.4 F N/A
10/26 33 F 51 F 42 F 1.95" 23.12" 2.00" 32.20" 22.9 F N/A
10/27 32 F 51 F 42 F 2.00" 23.17" 2.10" 32.30" 23.4 F N/A
10/28 32 F 50 F 41 F 2.06" 23.23" 2.20" 32.40" 23.9 F N/A
10/29 32 F 50 F 41 F 2.11" 23.28" 2.30" 32.50" 24.4 F N/A
10/30 31 F 49 F 40 F 2.16" 23.33" 2.40" 32.60" 24.9 F N/A
10/31 31 F 49 F 40 F 2.21" 23.38" 2.50" 32.70" 25.4 F N/A