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What is Marysville, MT, Weather Like in October?

During the month of October, Marysville, MT, has an average daytime high temperature of 52°F and an average overnight low temperature dropping to 30°F. Around 1.25 inches of precipitation is received during the month, with about 14.25 inches falling in a typical year. Snow is not common in Marysville, MT.

October 2025: Actual vs. Average Temperatures

Showing temperatures through today (October 26, 2025)
Actual High Average High Actual Low Average Low

Month Summary
Average High: 47.1 F (-5.6 vs avg)
Average Low: 30.8 F (-0.2 vs avg)

Daytime temperatures were significantly below average.

Actual data from: MID_MTMDP

Marysville, MT Daily Weather Averages for October

Recorded at Austin 1 W (usc00240375), 7.4 miles SSE of Marysville, MT
Day Avg Temps (°F) Precip (in) Snow (in) Degree Days (°F)
Low High Mean Month Year Month Year Heat Cool
10/1 35 F 59 F 47 F 0.04" 13.04" N/A N/A 17.9 F N/A
10/2 35 F 59 F 47 F 0.08" 13.08" N/A N/A 18.3 F N/A
10/3 34 F 58 F 46 F 0.11" 13.11" N/A N/A 18.8 F N/A
10/4 34 F 58 F 46 F 0.15" 13.15" N/A N/A 19.2 F N/A
10/5 34 F 57 F 45 F 0.19" 13.19" N/A N/A 19.6 F N/A
10/6 33 F 57 F 45 F 0.23" 13.23" N/A N/A 20.1 F N/A
10/7 33 F 56 F 45 F 0.27" 13.27" N/A N/A 20.5 F N/A
10/8 33 F 56 F 44 F 0.30" 13.30" N/A N/A 21 F N/A
10/9 32 F 55 F 44 F 0.34" 13.34" N/A N/A 21.4 F N/A
10/10 32 F 54 F 43 F 0.38" 13.38" N/A N/A 21.9 F N/A
10/11 32 F 54 F 43 F 0.41" 13.41" N/A N/A 22.3 F N/A
10/12 31 F 53 F 42 F 0.45" 13.45" N/A N/A 22.8 F N/A
10/13 31 F 53 F 42 F 0.49" 13.49" N/A N/A 23.3 F N/A
10/14 31 F 52 F 41 F 0.53" 13.53" N/A N/A 23.7 F N/A
10/15 30 F 52 F 41 F 0.57" 13.57" N/A N/A 24.2 F N/A
10/16 30 F 51 F 40 F 0.62" 13.62" N/A N/A 24.6 F N/A
10/17 30 F 50 F 40 F 0.66" 13.66" N/A N/A 25.1 F N/A
10/18 29 F 50 F 40 F 0.71" 13.71" N/A N/A 25.5 F N/A
10/19 29 F 49 F 39 F 0.75" 13.75" N/A N/A 25.9 F N/A
10/20 29 F 49 F 39 F 0.80" 13.80" N/A N/A 26.4 F N/A
10/21 28 F 48 F 38 F 0.84" 13.84" N/A N/A 26.8 F N/A
10/22 28 F 48 F 38 F 0.89" 13.89" N/A N/A 27.3 F N/A
10/23 27 F 47 F 37 F 0.93" 13.93" N/A N/A 27.7 F N/A
10/24 27 F 47 F 37 F 0.97" 13.97" N/A N/A 28.1 F N/A
10/25 27 F 46 F 37 F 1.02" 14.02" N/A N/A 28.5 F N/A
10/26 26 F 46 F 36 F 1.06" 14.06" N/A N/A 29 F N/A
10/27 26 F 45 F 36 F 1.10" 14.10" N/A N/A 29.4 F N/A
10/28 26 F 45 F 35 F 1.14" 14.14" N/A N/A 29.8 F N/A
10/29 25 F 44 F 35 F 1.18" 14.18" N/A N/A 30.2 F N/A
10/30 25 F 44 F 34 F 1.21" 14.21" N/A N/A 30.6 F N/A
10/31 25 F 43 F 34 F 1.25" 14.25" N/A N/A 31 F N/A
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