Your favorites:
What is Opportunity, MT, Weather Like in October?
During the month of October, Opportunity, MT,
has an average daytime high temperature of 57°F and an average overnight low temperature dropping to 31°F.
Around 1.00 inches of precipitation is received during the month,
with about 13.20 inches falling in a typical year.
3.30 inches of snow is the mean amount received during October.
Annually, Opportunity receives around 50.90 inches of snow.
October 2025: Actual vs. Average Temperatures
Showing temperatures through today (October 21, 2025)
Actual High
Average High
Actual Low
Average Low
Month Summary
Average High: 57.3 F
(-2.5 vs avg)
Average Low: 35.6 F
(+3.4 vs avg)
Nighttime temperatures were significantly above average.
Actual data from: MID_ANDM8
Opportunity, MT Daily Weather Averages for October
Recorded at Anaconda
(usc00240199),
5.3 miles
WNW of
Opportunity, 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 | 65 F | 50 F | 0.03" | 12.23" | 0.00" | 47.60" | 14.9 F | N/A |
| 10/2 | 35 F | 64 F | 50 F | 0.06" | 12.26" | 0.10" | 47.70" | 15.4 F | N/A |
| 10/3 | 35 F | 64 F | 49 F | 0.10" | 12.30" | 0.10" | 47.70" | 15.8 F | N/A |
| 10/4 | 34 F | 63 F | 49 F | 0.13" | 12.33" | 0.20" | 47.80" | 16.2 F | N/A |
| 10/5 | 34 F | 63 F | 48 F | 0.16" | 12.36" | 0.30" | 47.90" | 16.7 F | N/A |
| 10/6 | 34 F | 62 F | 48 F | 0.19" | 12.39" | 0.30" | 47.90" | 17.1 F | N/A |
| 10/7 | 33 F | 62 F | 48 F | 0.22" | 12.42" | 0.40" | 48.00" | 17.5 F | N/A |
| 10/8 | 33 F | 61 F | 47 F | 0.26" | 12.46" | 0.40" | 48.00" | 18 F | N/A |
| 10/9 | 33 F | 61 F | 47 F | 0.29" | 12.49" | 0.50" | 48.10" | 18.4 F | N/A |
| 10/10 | 32 F | 60 F | 46 F | 0.32" | 12.52" | 0.60" | 48.20" | 18.8 F | N/A |
| 10/11 | 32 F | 60 F | 46 F | 0.35" | 12.55" | 0.60" | 48.20" | 19.3 F | N/A |
| 10/12 | 32 F | 59 F | 45 F | 0.38" | 12.58" | 0.70" | 48.30" | 19.7 F | N/A |
| 10/13 | 31 F | 58 F | 45 F | 0.42" | 12.62" | 0.80" | 48.40" | 20.1 F | N/A |
| 10/14 | 31 F | 58 F | 45 F | 0.45" | 12.65" | 0.90" | 48.50" | 20.5 F | N/A |
| 10/15 | 31 F | 57 F | 44 F | 0.49" | 12.69" | 0.90" | 48.50" | 20.9 F | N/A |
| 10/16 | 30 F | 57 F | 44 F | 0.52" | 12.72" | 1.00" | 48.60" | 21.3 F | N/A |
| 10/17 | 30 F | 56 F | 43 F | 0.56" | 12.76" | 1.10" | 48.70" | 21.8 F | N/A |
| 10/18 | 30 F | 56 F | 43 F | 0.59" | 12.79" | 1.20" | 48.80" | 22.2 F | N/A |
| 10/19 | 30 F | 55 F | 42 F | 0.63" | 12.83" | 1.40" | 49.00" | 22.6 F | N/A |
| 10/20 | 29 F | 55 F | 42 F | 0.66" | 12.86" | 1.50" | 49.10" | 22.9 F | N/A |
| 10/21 | 29 F | 54 F | 42 F | 0.69" | 12.89" | 1.60" | 49.20" | 23.3 F | N/A |
| 10/22 | 29 F | 54 F | 41 F | 0.72" | 12.92" | 1.80" | 49.40" | 23.7 F | N/A |
| 10/23 | 28 F | 54 F | 41 F | 0.75" | 12.95" | 1.90" | 49.50" | 24.1 F | N/A |
| 10/24 | 28 F | 53 F | 41 F | 0.79" | 12.99" | 2.10" | 49.70" | 24.5 F | N/A |
| 10/25 | 28 F | 53 F | 40 F | 0.82" | 13.02" | 2.20" | 49.80" | 24.8 F | N/A |
| 10/26 | 27 F | 52 F | 40 F | 0.85" | 13.05" | 2.40" | 50.00" | 25.2 F | N/A |
| 10/27 | 27 F | 52 F | 39 F | 0.88" | 13.08" | 2.60" | 50.20" | 25.6 F | N/A |
| 10/28 | 27 F | 51 F | 39 F | 0.91" | 13.11" | 2.70" | 50.30" | 25.9 F | N/A |
| 10/29 | 27 F | 51 F | 39 F | 0.94" | 13.14" | 2.90" | 50.50" | 26.3 F | N/A |
| 10/30 | 26 F | 51 F | 38 F | 0.97" | 13.17" | 3.10" | 50.70" | 26.7 F | N/A |
| 10/31 | 26 F | 50 F | 38 F | 1.00" | 13.20" | 3.30" | 50.90" | 27 F | N/A |
