Miles City weather in October: Miles City, Montana: normal highs, lows, rain and records for October

Miles City in October has a normal high of 59°F and a normal low of 34°F, a daily mean of 46°F, falling from 68°F on the 1st to 51°F by the 31st. Measurable precipitation falls on 8 days in a normal October, 0.97 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 15°C and low of 1°C, 25 mm of precipitation in October.

  • NOAA stationMiles City F Wiley Field
  • Station IDUSW00024037
  • Location46.43°N 105.88°W
  • Elevation2,624 ft (800 m)
  • Population8,407
  1. Jan 30° 9°
  2. Feb 35° 13°
  3. Mar 47° 23°
  4. Apr 58° 33°
  5. May 68° 43°
  6. Jun 79° 53°
  7. Jul 89° 60°
  8. Aug 87° 58°
  9. Sep 76° 47°
  10. Oct 59° 34°
  11. Nov 44° 21°
  12. Dec 33° 12°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Miles City in October?

The normal high is 59°F and the normal low 34°F, for a daily mean of 46.4°F. October is 14.8°F cooler than September and 13.7°F warmer than November. October is the 6th warmest month of the year in Miles City and the 6th wettest. Across the month the normal high falls 17°F, from 68°F on October 1 to 51°F on October 31. From one year to the next October's mean temperature typically moves about 3.5°F either way (NOAA's standard deviation), so roughly two Octobers in three average between 43°F and 50°F.

Miles City in October, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 24%).

Normal high and low on five days of October, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
October 168°F41°F23%9%
October 863°F38°F24%8%
October 1559°F34°F24%8%
October 2256°F31°F23%7%
October 3151°F27°F21%6%
Every day of October: normal high, low and chance of precipitation (warmest afternoon October 1, coldest night October 31)
Miles City: NOAA 1991-2020 daily normals for each day of October
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
October 168°F41°F23%9%11 h 50 min
October 267°F40°F24%9%11 h 40 min
October 366°F40°F24%9%11 h 40 min
October 466°F39°F24%9%11 h 40 min
October 565°F39°F24%9%11 h 30 min
October 665°F39°F24%9%11 h 30 min
October 764°F38°F24%9%11 h 30 min
October 863°F38°F24%8%11 h 20 min
October 963°F37°F24%8%11 h 20 min
October 1062°F37°F24%8%11 h 20 min
October 1162°F36°F24%8%11 h 10 min
October 1261°F36°F24%8%11 h 10 min
October 1361°F35°F24%8%11 h 10 min
October 1460°F35°F24%8%11 h
October 1559°F34°F24%8%11 h
October 1659°F34°F24%8%11 h
October 1758°F33°F24%8%10 h 50 min
October 1858°F33°F24%8%10 h 50 min
October 1957°F32°F24%7%10 h 50 min
October 2057°F32°F23%7%10 h 40 min
October 2156°F31°F23%7%10 h 40 min
October 2256°F31°F23%7%10 h 40 min
October 2355°F31°F23%7%10 h 30 min
October 2455°F30°F23%7%10 h 30 min
October 2554°F30°F23%7%10 h 30 min
October 2654°F29°F22%6%10 h 30 min
October 2753°F29°F22%6%10 h 20 min
October 2853°F28°F22%6%10 h 20 min
October 2952°F28°F22%6%10 h 20 min
October 3052°F27°F22%6%10 h 10 min
October 3151°F27°F21%6%10 h 10 min
Normal high
59°FOctober average
Normal low
34°FOctober average
Precipitation
0.97 inmonth total
Days with precipitation
80.01 inch or more
Nights at 32°F or colder
11
Daylight
11 h 50 min to 10 h 10 minOctober 1 to October 31
Days at 70°F or more
7
Days at 80°F or more
2
Sunshine
74%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00024037; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Miles City in October?

On a given October day the chance of 0.01 inch or more is 23% on average, highest around October 15 (24%). In all, 0.97 in falls on 8 days of a normal October.

In a normal October in Miles City, 11 nights fall to freezing and 1 days stay below freezing all day.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024037.

How humid and windy is Miles City in October?

At 3 p.m. the normal temperature is 50°F with 41% relative humidity and a dew point of 27°F; at 6 a.m. it is 32°F with 77% humidity. The wind averages 10.0 mph, most often from the west-northwest in the afternoon. A dew point under 50°F feels dry.

A normal October day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.32°F26°F77%9.1 mph59%
9 a.m.37°F27°F68%9.6 mph55%
noon47°F28°F47%12.3 mph56%
3 p.m.50°F27°F41%12.5 mph58%
6 p.m.42°F27°F54%8.7 mph63%
9 p.m.38°F27°F64%9.0 mph63%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00024037. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).

What are the records for October in Miles City?

The warmest October temperature on this station's record (since 1937) is 95°F, on October 2, 1997; the coldest is −8°F, on October 30, 1991. The wettest October brought 6.31 in (1971); the snowiest, 12.6 inches (1949).

The October mean against the 1991-2020 normal of 46.4°F: 2021 49.4°F (+3.0), 2022 49.9°F (+3.5), 2023 43.4°F (−3.0), 2024 52.8°F (+6.4), 2025 49.3°F (+2.9). 4 of 5 ran warmer than normal.

Miles City: October in recent years against the 1991-2020 normal
OctoberMeanAgainst normalPrecip.
202149.4°F+3.0°F2.41 in
202249.9°F+3.5°F1.31 in
202343.4°F−3.0°F0.87 in
202452.8°F+6.4°F0.10 in
202549.3°F+2.9°F2.70 in

Source: records: ACIS, station USW00024037; recent months: ACIS, station USW00024037. Records and recent months use complete months only.

How does October in Miles City compare across Montana?

Across the 141 places PlainClimate covers in Montana, October normal highs run from 47°F in Cooke City to 64°F in Hardin; Miles City's is 59°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places