Alpena weather in October: Alpena, Michigan: normal highs, lows, rain and records for October
Alpena in October has a normal high of 58°F and a normal low of 37°F, a daily mean of 47°F, falling from 65°F on the 1st to 51°F by the 31st. Measurable precipitation falls on 14 days in a normal October, 3.01 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 14°C and low of 3°C, 76 mm of precipitation and 1 cm of snow in October.
- NOAA stationAlpena County Regional Airport
- Station IDUSW00094849
- Location45.07°N 83.56°W
- Elevation684 ft (209 m)
- Population10,116
- Jan 28° 12°
- Feb 30° 11°
- Mar 39° 19°
- Apr 52° 30°
- May 66° 41°
- Jun 76° 50°
- Jul 81° 56°
- Aug 79° 55°
- Sep 71° 47°
- Oct 58° 37°
- Nov 45° 29°
- Dec 34° 20°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Alpena in October?
The normal high is 58°F and the normal low 37°F, for a daily mean of 47.4°F. October is 11.6°F cooler than September and 10.8°F warmer than November. October is the 6th warmest month of the year in Alpena and the 3rd wettest. Across the month the normal high falls 14°F, from 65°F on October 1 to 51°F on October 31. From one year to the next October's mean temperature typically moves about 2.6°F either way (NOAA's standard deviation), so roughly two Octobers in three average between 45°F and 50°F.
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 45%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| October 1 | 65°F | 42°F | 42% | 21% |
| October 8 | 61°F | 40°F | 43% | 21% |
| October 15 | 58°F | 37°F | 45% | 22% |
| October 22 | 55°F | 35°F | 45% | 21% |
| October 31 | 51°F | 33°F | 45% | 20% |
Every day of October: normal high, low and chance of precipitation (warmest afternoon October 1, coldest night October 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| October 1 | 65°F | 42°F | 42% | 21% | 11 h 50 min |
| October 2 | 64°F | 42°F | 42% | 21% | 11 h 40 min |
| October 3 | 64°F | 41°F | 42% | 21% | 11 h 40 min |
| October 4 | 63°F | 41°F | 43% | 21% | 11 h 40 min |
| October 5 | 63°F | 41°F | 43% | 21% | 11 h 30 min |
| October 6 | 62°F | 40°F | 43% | 21% | 11 h 30 min |
| October 7 | 62°F | 40°F | 43% | 21% | 11 h 30 min |
| October 8 | 61°F | 40°F | 43% | 21% | 11 h 20 min |
| October 9 | 61°F | 39°F | 43% | 21% | 11 h 20 min |
| October 10 | 60°F | 39°F | 44% | 21% | 11 h 20 min |
| October 11 | 60°F | 39°F | 44% | 21% | 11 h 20 min |
| October 12 | 59°F | 38°F | 44% | 21% | 11 h 10 min |
| October 13 | 59°F | 38°F | 44% | 22% | 11 h 10 min |
| October 14 | 58°F | 38°F | 44% | 22% | 11 h 10 min |
| October 15 | 58°F | 37°F | 45% | 22% | 11 h |
| October 16 | 58°F | 37°F | 45% | 22% | 11 h |
| October 17 | 57°F | 37°F | 45% | 22% | 11 h |
| October 18 | 57°F | 37°F | 45% | 21% | 10 h 50 min |
| October 19 | 56°F | 36°F | 45% | 21% | 10 h 50 min |
| October 20 | 56°F | 36°F | 45% | 21% | 10 h 50 min |
| October 21 | 55°F | 36°F | 45% | 21% | 10 h 40 min |
| October 22 | 55°F | 35°F | 45% | 21% | 10 h 40 min |
| October 23 | 54°F | 35°F | 45% | 21% | 10 h 40 min |
| October 24 | 54°F | 35°F | 45% | 21% | 10 h 40 min |
| October 25 | 54°F | 35°F | 45% | 21% | 10 h 30 min |
| October 26 | 53°F | 34°F | 45% | 21% | 10 h 30 min |
| October 27 | 53°F | 34°F | 45% | 20% | 10 h 30 min |
| October 28 | 52°F | 34°F | 45% | 20% | 10 h 20 min |
| October 29 | 52°F | 33°F | 45% | 20% | 10 h 20 min |
| October 30 | 51°F | 33°F | 45% | 20% | 10 h 20 min |
| October 31 | 51°F | 33°F | 45% | 20% | 10 h 20 min |
- Normal high
- 58°FOctober average
- Normal low
- 37°FOctober average
- Precipitation
- 3.01 inmonth total
- Days with precipitation
- 140.01 inch or more
- Snowfall
- 0.4 inmonth total
- Nights at 32°F or colder
- 10
- Daylight
- 11 h 50 min to 10 h 20 minOctober 1 to October 31
- Days at 70°F or more
- 4
- Days at 80°F or more
- 1
- Sunshine
- 63%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00094849; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Alpena in October?
On a given October day the chance of 0.01 inch or more is 44% on average, highest around October 23 (45%). In all, 3.01 in falls on 14 days of a normal October.
In a normal October in Alpena, 10 nights fall to freezing and snowfall averages 0.4 inches.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094849.
How humid and windy is Alpena in October?
At 3 p.m. the normal temperature is 47°F with 61% relative humidity and a dew point of 35°F; at 6 a.m. it is 38°F with 84% humidity. The wind averages 7.6 mph, most often from the west in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 38°F | 34°F | 84% | 6.5 mph | 41% |
| 9 a.m. | 41°F | 35°F | 80% | 7.6 mph | 35% |
| noon | 46°F | 35°F | 65% | 10.2 mph | – |
| 3 p.m. | 47°F | 35°F | 61% | 10.2 mph | 34% |
| 6 p.m. | 43°F | 35°F | 73% | 7.3 mph | 41% |
| 9 p.m. | 41°F | 35°F | 78% | 6.7 mph | 39% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00094849. 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 Alpena?
The warmest October temperature on Alpena's official record (since 1916) is 90°F, on October 8, 2007; the coldest is 12°F, on October 30, 1925. The wettest October brought 6.53 in (1991); the snowiest, 8.5 inches (1933).
The October mean against the 1991-2020 normal of 47.4°F: 2021 54.6°F (+7.2), 2022 47.9°F (+0.5), 2023 50.5°F (+3.1), 2024 52.2°F (+4.8), 2025 50.7°F (+3.3). 5 of 5 ran warmer than normal.
| October | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 54.6°F | +7.2°F | 2.62 in |
| 2022 | 47.9°F | +0.5°F | 3.78 in |
| 2023 | 50.5°F | +3.1°F | 2.86 in |
| 2024 | 52.2°F | +4.8°F | 0.70 in |
| 2025 | 50.7°F | +3.3°F | 3.72 in |
Source: records: ACIS, NWS threaded record APNthr; recent months: ACIS, station USW00094849. Records and recent months use complete months only.
How does October in Alpena compare across Michigan?
Across the 140 places PlainClimate covers in Michigan, October normal highs run from 52°F in Hancock to 64°F in Eau Claire; Alpena's is 58°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.