Flathead County Weather in October
Average highs run from 61°F on October 1 to 44°F on October 31, and lows from 39°F to 31°F. Normal precipitation for the month is 3.52 in over about 11 wet days.
October day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
October at a glance
- Average high
- 52°F
- Average low
- 35°F
- Precipitation
- 3.52 in
- Snowfall
- 0.5 in
- Record high
- 86°FOct 2, 1992
- Record low
- -4°FOct 31, 1935
- Chance of a freeze
- 100%
- Daylight
- 11 h 39 min to 9 h 57 min
- Cloud cover
- 68%
- Humidity
- 79%
- Dew point
- 28°F
- Wind
- 5.4 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Oct 1 | 61°F | 39°F | 82°F 1992 | 19°F 1950 | 31% | 1% |
| Oct 2 | 61°F | 39°F | 86°F 1992 | 19°F 2019 | 31% | 1% |
| Oct 3 | 60°F | 39°F | 77°F 1917 | 17°F 1950 | 31% | 1% |
| Oct 4 | 59°F | 38°F | 81°F 1970 | 19°F 1999 | 32% | 1% |
| Oct 5 | 59°F | 38°F | 80°F 2021 | 17°F 2001 | 32% | 1% |
| Oct 6 | 58°F | 38°F | 81°F 2020 | 15°F 2000 | 32% | 1% |
| Oct 7 | 58°F | 37°F | 82°F 1979 | 16°F 2000 | 33% | 1% |
| Oct 8 | 57°F | 37°F | 80°F 1980 | 14°F 2009 | 33% | 1% |
| Oct 9 | 56°F | 37°F | 75°F 2023 | 10°F 2009 | 34% | 1% |
| Oct 10 | 56°F | 37°F | 79°F 2015 | 5°F 2009 | 34% | 1% |
| Oct 11 | 55°F | 36°F | 76°F 1991 | 6°F 2009 | 35% | 2% |
| Oct 12 | 55°F | 36°F | 73°F 1979 | 2°F 2009 | 35% | 2% |
| Oct 13 | 54°F | 36°F | 75°F 1976 | 13°F 2021 | 35% | 2% |
| Oct 14 | 53°F | 35°F | 73°F 1929 | 17°F 2002 | 36% | 2% |
| Oct 15 | 53°F | 35°F | 79°F 1991 | 17°F 1970 | 36% | 2% |
| Oct 16 | 52°F | 35°F | 73°F 1974 | 15°F 1999 | 37% | 2% |
| Oct 17 | 51°F | 34°F | 72°F 1974 | 15°F 1905 | 37% | 2% |
| Oct 18 | 51°F | 34°F | 73°F 1940 | 8°F 1905 | 37% | 3% |
| Oct 19 | 50°F | 34°F | 71°F 1903 | 15°F 1976 | 38% | 3% |
| Oct 20 | 50°F | 34°F | 77°F 2023 | 16°F 1982 | 38% | 3% |
| Oct 21 | 49°F | 33°F | 75°F 2003 | 12°F 1981 | 39% | 3% |
| Oct 22 | 49°F | 33°F | 70°F 2003 | 12°F 1981 | 39% | 3% |
| Oct 23 | 48°F | 33°F | 71°F 1944 | 12°F 1919 | 39% | 3% |
| Oct 24 | 47°F | 33°F | 72°F 2007 | 8°F 2002 | 40% | 4% |
| Oct 25 | 47°F | 32°F | 70°F 2019 | 0°F 2020 | 40% | 4% |
| Oct 26 | 46°F | 32°F | 64°F 1901 | 0°F 2020 | 41% | 4% |
| Oct 27 | 46°F | 32°F | 69°F 1983 | 12°F 2023 | 41% | 4% |
| Oct 28 | 45°F | 32°F | 70°F 1937 | 5°F 2019 | 41% | 5% |
| Oct 29 | 45°F | 31°F | 66°F 1921 | -3°F 2019 | 42% | 5% |
| Oct 30 | 44°F | 31°F | 63°F 1965 | -1°F 1991 | 42% | 5% |
| Oct 31 | 44°F | 31°F | 63°F 1967 | -4°F 1935 | 42% | 5% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- October 1
- sunrise 7:36 AM, sunset 7:15 PM
- October 31
- sunrise 8:21 AM, sunset 6:18 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00244328 (Hungry Horse Dam), public domain. Records: NOAA GHCN-Daily, station USC00244558, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.