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What is Geyser, MT, Weather Like in October?

During the month of October, Geyser, MT, has an average daytime high temperature of 57°F and an average overnight low temperature dropping to 34°F. Around 1.69 inches of precipitation is received during the month, with about 19.31 inches falling in a typical year. Snow is not common in Geyser, 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: 57.4 F (-0.9 vs avg)
Average Low: 41.3 F (+6.6 vs avg)

Nighttime temperatures were significantly above average.

Actual data from: MID_K1AM

Geyser, MT Daily Weather Averages for October

Recorded at Raynesford 2 Nnw (usc00246902), 12.1 miles WNW of Geyser, MT
Day Avg Temps (°F) Precip (in) Snow (in) Degree Days (°F)
Low High Mean Month Year Month Year Heat Cool
10/1 39 F 65 F 52 F 0.06" 17.68" N/A N/A 13.5 F 0.2 F
10/2 39 F 64 F 51 F 0.12" 17.74" N/A N/A 13.9 F 0.1 F
10/3 38 F 64 F 51 F 0.17" 17.79" N/A N/A 14.3 F 0.1 F
10/4 38 F 63 F 50 F 0.23" 17.85" N/A N/A 14.8 F 0.1 F
10/5 37 F 62 F 50 F 0.28" 17.90" N/A N/A 15.2 F 0.1 F
10/6 37 F 62 F 49 F 0.33" 17.95" N/A N/A 15.7 F 0.1 F
10/7 37 F 61 F 49 F 0.38" 18.00" N/A N/A 16.1 F 0.1 F
10/8 36 F 61 F 49 F 0.43" 18.05" N/A N/A 16.6 F 0.1 F
10/9 36 F 60 F 48 F 0.48" 18.10" N/A N/A 17 F 0.1 F
10/10 36 F 60 F 48 F 0.53" 18.15" N/A N/A 17.4 F 0.1 F
10/11 35 F 59 F 47 F 0.58" 18.20" N/A N/A 17.9 F 0.1 F
10/12 35 F 59 F 47 F 0.63" 18.25" N/A N/A 18.3 F N/A
10/13 35 F 58 F 46 F 0.69" 18.31" N/A N/A 18.7 F N/A
10/14 34 F 58 F 46 F 0.75" 18.37" N/A N/A 19.2 F N/A
10/15 34 F 57 F 45 F 0.81" 18.43" N/A N/A 19.6 F N/A
10/16 34 F 57 F 45 F 0.87" 18.49" N/A N/A 20 F N/A
10/17 33 F 56 F 45 F 0.92" 18.54" N/A N/A 20.4 F N/A
10/18 33 F 56 F 44 F 0.98" 18.60" N/A N/A 20.8 F N/A
10/19 33 F 55 F 44 F 1.04" 18.66" N/A N/A 21.2 F N/A
10/20 32 F 55 F 43 F 1.09" 18.71" N/A N/A 21.6 F N/A
10/21 32 F 54 F 43 F 1.15" 18.77" N/A N/A 22 F N/A
10/22 32 F 54 F 43 F 1.20" 18.82" N/A N/A 22.4 F N/A
10/23 31 F 53 F 42 F 1.26" 18.88" N/A N/A 22.8 F N/A
10/24 31 F 53 F 42 F 1.32" 18.94" N/A N/A 23.2 F N/A
10/25 31 F 52 F 41 F 1.37" 18.99" N/A N/A 23.6 F N/A
10/26 30 F 52 F 41 F 1.43" 19.05" N/A N/A 23.9 F N/A
10/27 30 F 52 F 41 F 1.48" 19.10" N/A N/A 24.3 F N/A
10/28 30 F 51 F 40 F 1.54" 19.16" N/A N/A 24.6 F N/A
10/29 29 F 51 F 40 F 1.59" 19.21" N/A N/A 25 F N/A
10/30 29 F 50 F 40 F 1.64" 19.26" N/A N/A 25.3 F N/A
10/31 29 F 50 F 39 F 1.69" 19.31" N/A N/A 25.7 F N/A
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