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What is Corvallis, MT, Weather Like in October?
During the month of October, Corvallis, MT,
has an average daytime high temperature of 58°F and an average overnight low temperature dropping to 32°F.
Around 0.80 inches of precipitation is received during the month,
with about 9.65 inches falling in a typical year.
Snow is not common in Corvallis, MT.
October 2025: Actual vs. Average Temperatures
Showing temperatures through today (October 23, 2025)
Actual High
Average High
Actual Low
Average Low
Month Summary
Average High: 57.7 F
(-2.5 vs avg)
Average Low: 37 F
(+3.5 vs avg)
Nighttime temperatures were significantly above average.
Actual data from: MID_MTM04
Corvallis, MT Daily Weather Averages for October
Recorded at Western Ag Rsch Ctr
(usc00248783),
1.7 miles
NE of
Corvallis, 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 | 66 F | 51 F | 0.03" | 8.88" | N/A | N/A | 13.6 F | N/A |
| 10/2 | 37 F | 66 F | 51 F | 0.06" | 8.91" | N/A | N/A | 14 F | N/A |
| 10/3 | 36 F | 65 F | 51 F | 0.08" | 8.93" | N/A | N/A | 14.5 F | N/A |
| 10/4 | 36 F | 64 F | 50 F | 0.11" | 8.96" | N/A | N/A | 14.9 F | N/A |
| 10/5 | 36 F | 64 F | 50 F | 0.14" | 8.99" | N/A | N/A | 15.3 F | N/A |
| 10/6 | 35 F | 63 F | 49 F | 0.17" | 9.02" | N/A | N/A | 15.8 F | N/A |
| 10/7 | 35 F | 63 F | 49 F | 0.19" | 9.04" | N/A | N/A | 16.2 F | N/A |
| 10/8 | 35 F | 62 F | 48 F | 0.22" | 9.07" | N/A | N/A | 16.7 F | N/A |
| 10/9 | 34 F | 62 F | 48 F | 0.24" | 9.09" | N/A | N/A | 17.1 F | N/A |
| 10/10 | 34 F | 61 F | 47 F | 0.27" | 9.12" | N/A | N/A | 17.6 F | N/A |
| 10/11 | 34 F | 60 F | 47 F | 0.29" | 9.14" | N/A | N/A | 18 F | N/A |
| 10/12 | 33 F | 60 F | 47 F | 0.32" | 9.17" | N/A | N/A | 18.5 F | N/A |
| 10/13 | 33 F | 59 F | 46 F | 0.34" | 9.19" | N/A | N/A | 18.9 F | N/A |
| 10/14 | 33 F | 59 F | 46 F | 0.37" | 9.22" | N/A | N/A | 19.4 F | N/A |
| 10/15 | 32 F | 58 F | 45 F | 0.39" | 9.24" | N/A | N/A | 19.8 F | N/A |
| 10/16 | 32 F | 58 F | 45 F | 0.42" | 9.27" | N/A | N/A | 20.3 F | N/A |
| 10/17 | 32 F | 57 F | 44 F | 0.44" | 9.29" | N/A | N/A | 20.7 F | N/A |
| 10/18 | 31 F | 57 F | 44 F | 0.47" | 9.32" | N/A | N/A | 21.1 F | N/A |
| 10/19 | 31 F | 56 F | 43 F | 0.49" | 9.34" | N/A | N/A | 21.6 F | N/A |
| 10/20 | 31 F | 55 F | 43 F | 0.52" | 9.37" | N/A | N/A | 22 F | N/A |
| 10/21 | 30 F | 55 F | 43 F | 0.54" | 9.39" | N/A | N/A | 22.4 F | N/A |
| 10/22 | 30 F | 54 F | 42 F | 0.57" | 9.42" | N/A | N/A | 22.8 F | N/A |
| 10/23 | 30 F | 54 F | 42 F | 0.59" | 9.44" | N/A | N/A | 23.2 F | N/A |
| 10/24 | 30 F | 53 F | 41 F | 0.62" | 9.47" | N/A | N/A | 23.7 F | N/A |
| 10/25 | 29 F | 53 F | 41 F | 0.64" | 9.49" | N/A | N/A | 24.1 F | N/A |
| 10/26 | 29 F | 52 F | 41 F | 0.67" | 9.52" | N/A | N/A | 24.5 F | N/A |
| 10/27 | 29 F | 52 F | 40 F | 0.70" | 9.55" | N/A | N/A | 24.8 F | N/A |
| 10/28 | 28 F | 51 F | 40 F | 0.72" | 9.57" | N/A | N/A | 25.2 F | N/A |
| 10/29 | 28 F | 51 F | 39 F | 0.75" | 9.60" | N/A | N/A | 25.6 F | N/A |
| 10/30 | 28 F | 50 F | 39 F | 0.77" | 9.62" | N/A | N/A | 26 F | N/A |
| 10/31 | 28 F | 50 F | 39 F | 0.80" | 9.65" | N/A | N/A | 26.4 F | N/A |
