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What is Alpine, MT, Weather Like in October?
During the month of October, Alpine, MT,
has an average daytime high temperature of 52°F and an average overnight low temperature dropping to 32°F.
Around 2.55 inches of precipitation is received during the month,
with about 23.19 inches falling in a typical year.
20.10 inches of snow is the mean amount received during October.
Annually, Alpine receives around 148.50 inches of snow.
October 2025: Actual vs. Average Temperatures
Showing temperatures through today (October 24, 2025)
Actual High
Average High
Actual Low
Average Low
Month Summary
Average High: 57.8 F
(+4.1 vs avg)
Average Low: 39.1 F
(+5.6 vs avg)
This month was significantly warmer than average.
Actual data from: MID_MTROH
Alpine, MT Daily Weather Averages for October
Recorded at Mystic Lake
(usc00245961),
5.3 miles
NW of
Alpine, MT
| Day | Avg Temps (°F) | Precip (in) | Snow (in) | Degree Days (°F) | |||||
|---|---|---|---|---|---|---|---|---|---|
| Low | High | Mean | Month | Year | Month | Year | Heat | Cool | |
| 10/1 | 37 F | 59 F | 48 F | 0.09" | 20.73" | 0.50" | 128.90" | 17.2 F | N/A |
| 10/2 | 37 F | 58 F | 47 F | 0.17" | 20.81" | 1.00" | 129.40" | 17.6 F | N/A |
| 10/3 | 36 F | 58 F | 47 F | 0.26" | 20.90" | 1.60" | 130.00" | 18 F | N/A |
| 10/4 | 36 F | 57 F | 47 F | 0.35" | 20.99" | 2.10" | 130.50" | 18.4 F | N/A |
| 10/5 | 36 F | 57 F | 46 F | 0.43" | 21.07" | 2.70" | 131.10" | 18.8 F | N/A |
| 10/6 | 35 F | 56 F | 46 F | 0.52" | 21.16" | 3.30" | 131.70" | 19.2 F | N/A |
| 10/7 | 35 F | 56 F | 45 F | 0.60" | 21.24" | 3.80" | 132.20" | 19.6 F | N/A |
| 10/8 | 35 F | 55 F | 45 F | 0.69" | 21.33" | 4.30" | 132.70" | 20 F | N/A |
| 10/9 | 34 F | 55 F | 45 F | 0.77" | 21.41" | 4.90" | 133.30" | 20.4 F | N/A |
| 10/10 | 34 F | 55 F | 44 F | 0.86" | 21.50" | 5.50" | 133.90" | 20.8 F | N/A |
| 10/11 | 34 F | 54 F | 44 F | 0.95" | 21.59" | 6.10" | 134.50" | 21.2 F | N/A |
| 10/12 | 33 F | 54 F | 44 F | 1.04" | 21.68" | 6.80" | 135.20" | 21.6 F | N/A |
| 10/13 | 33 F | 53 F | 43 F | 1.12" | 21.76" | 7.40" | 135.80" | 21.9 F | N/A |
| 10/14 | 33 F | 53 F | 43 F | 1.21" | 21.85" | 8.10" | 136.50" | 22.3 F | N/A |
| 10/15 | 32 F | 52 F | 42 F | 1.30" | 21.94" | 8.80" | 137.20" | 22.7 F | N/A |
| 10/16 | 32 F | 52 F | 42 F | 1.39" | 22.03" | 9.50" | 137.90" | 23 F | N/A |
| 10/17 | 32 F | 51 F | 42 F | 1.48" | 22.12" | 10.20" | 138.60" | 23.4 F | N/A |
| 10/18 | 32 F | 51 F | 41 F | 1.56" | 22.20" | 10.90" | 139.30" | 23.7 F | N/A |
| 10/19 | 31 F | 51 F | 41 F | 1.64" | 22.28" | 11.60" | 140.00" | 24.1 F | N/A |
| 10/20 | 31 F | 50 F | 41 F | 1.72" | 22.36" | 12.30" | 140.70" | 24.4 F | N/A |
| 10/21 | 31 F | 50 F | 40 F | 1.80" | 22.44" | 13.00" | 141.40" | 24.8 F | N/A |
| 10/22 | 31 F | 49 F | 40 F | 1.88" | 22.52" | 13.80" | 142.20" | 25.1 F | N/A |
| 10/23 | 30 F | 49 F | 40 F | 1.95" | 22.59" | 14.50" | 142.90" | 25.4 F | N/A |
| 10/24 | 30 F | 49 F | 39 F | 2.03" | 22.67" | 15.20" | 143.60" | 25.7 F | N/A |
| 10/25 | 30 F | 48 F | 39 F | 2.11" | 22.75" | 15.90" | 144.30" | 26.1 F | N/A |
| 10/26 | 30 F | 48 F | 39 F | 2.18" | 22.82" | 16.60" | 145.00" | 26.4 F | N/A |
| 10/27 | 29 F | 47 F | 38 F | 2.26" | 22.90" | 17.30" | 145.70" | 26.7 F | N/A |
| 10/28 | 29 F | 47 F | 38 F | 2.33" | 22.97" | 18.00" | 146.40" | 27 F | N/A |
| 10/29 | 29 F | 47 F | 38 F | 2.41" | 23.05" | 18.70" | 147.10" | 27.4 F | N/A |
| 10/30 | 29 F | 46 F | 37 F | 2.48" | 23.12" | 19.40" | 147.80" | 27.7 F | N/A |
| 10/31 | 28 F | 46 F | 37 F | 2.55" | 23.19" | 20.10" | 148.50" | 28 F | N/A |
