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What is Dayton Post Office, MT, Weather Like in October?
During the month of October, Dayton Post Office, MT,
has an average daytime high temperature of 55°F and an average overnight low temperature dropping to 38°F.
Around 2.41 inches of precipitation is received during the month,
with about 18.13 inches falling in a typical year.
Snow is not common in Dayton Post Office, 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: 55.3 F
(-1.1 vs avg)
Average Low: 40.5 F
(+1.3 vs avg)
Actual data from: MID_MTYLW
Dayton Post Office, MT Daily Weather Averages for October
Recorded at Bigfork 13 S
(usc00240755),
11.5 miles
E of
Dayton Post Office, MT
| Day | Avg Temps (°F) | Precip (in) | Snow (in) | Degree Days (°F) | |||||
|---|---|---|---|---|---|---|---|---|---|
| Low | High | Mean | Month | Year | Month | Year | Heat | Cool | |
| 10/1 | 43 F | 63 F | 53 F | 0.07" | 15.79" | N/A | N/A | 12.3 F | N/A |
| 10/2 | 43 F | 62 F | 52 F | 0.14" | 15.86" | N/A | N/A | 12.7 F | N/A |
| 10/3 | 42 F | 62 F | 52 F | 0.21" | 15.93" | N/A | N/A | 13.1 F | N/A |
| 10/4 | 42 F | 61 F | 52 F | 0.28" | 16.00" | N/A | N/A | 13.5 F | N/A |
| 10/5 | 42 F | 61 F | 51 F | 0.34" | 16.06" | N/A | N/A | 13.9 F | N/A |
| 10/6 | 41 F | 60 F | 51 F | 0.41" | 16.13" | N/A | N/A | 14.4 F | N/A |
| 10/7 | 41 F | 60 F | 50 F | 0.47" | 16.19" | N/A | N/A | 14.8 F | N/A |
| 10/8 | 41 F | 59 F | 50 F | 0.54" | 16.26" | N/A | N/A | 15.2 F | N/A |
| 10/9 | 40 F | 59 F | 49 F | 0.61" | 16.33" | N/A | N/A | 15.6 F | N/A |
| 10/10 | 40 F | 58 F | 49 F | 0.69" | 16.41" | N/A | N/A | 16.1 F | N/A |
| 10/11 | 40 F | 57 F | 49 F | 0.76" | 16.48" | N/A | N/A | 16.5 F | N/A |
| 10/12 | 39 F | 57 F | 48 F | 0.83" | 16.55" | N/A | N/A | 16.9 F | N/A |
| 10/13 | 39 F | 56 F | 48 F | 0.91" | 16.63" | N/A | N/A | 17.3 F | N/A |
| 10/14 | 39 F | 56 F | 47 F | 0.99" | 16.71" | N/A | N/A | 17.7 F | N/A |
| 10/15 | 38 F | 55 F | 47 F | 1.08" | 16.80" | N/A | N/A | 18.2 F | N/A |
| 10/16 | 38 F | 55 F | 46 F | 1.16" | 16.88" | N/A | N/A | 18.6 F | N/A |
| 10/17 | 38 F | 54 F | 46 F | 1.23" | 16.95" | N/A | N/A | 19 F | N/A |
| 10/18 | 38 F | 54 F | 46 F | 1.31" | 17.03" | N/A | N/A | 19.4 F | N/A |
| 10/19 | 37 F | 53 F | 45 F | 1.39" | 17.11" | N/A | N/A | 19.8 F | N/A |
| 10/20 | 37 F | 53 F | 45 F | 1.47" | 17.19" | N/A | N/A | 20.2 F | N/A |
| 10/21 | 37 F | 52 F | 45 F | 1.55" | 17.27" | N/A | N/A | 20.5 F | N/A |
| 10/22 | 36 F | 52 F | 44 F | 1.63" | 17.35" | N/A | N/A | 20.9 F | N/A |
| 10/23 | 36 F | 51 F | 44 F | 1.72" | 17.44" | N/A | N/A | 21.3 F | N/A |
| 10/24 | 36 F | 51 F | 43 F | 1.81" | 17.53" | N/A | N/A | 21.6 F | N/A |
| 10/25 | 36 F | 50 F | 43 F | 1.90" | 17.62" | N/A | N/A | 22 F | N/A |
| 10/26 | 36 F | 50 F | 43 F | 1.98" | 17.70" | N/A | N/A | 22.3 F | N/A |
| 10/27 | 35 F | 49 F | 42 F | 2.07" | 17.79" | N/A | N/A | 22.7 F | N/A |
| 10/28 | 35 F | 49 F | 42 F | 2.16" | 17.88" | N/A | N/A | 23 F | N/A |
| 10/29 | 35 F | 49 F | 42 F | 2.24" | 17.96" | N/A | N/A | 23.3 F | N/A |
| 10/30 | 35 F | 48 F | 41 F | 2.33" | 18.05" | N/A | N/A | 23.6 F | N/A |
| 10/31 | 35 F | 48 F | 41 F | 2.41" | 18.13" | N/A | N/A | 23.9 F | N/A |
