Weather in Alpena, MI
Alpena, Sunday, 18 October, 15:47
Partly cloudy. Feels like 66°. High 67°, low 43°.
Monthly outlook for Alpena, MI: average high 57.5°, average low 42.5°. That is 3.4° above the climate normal for October. Precipitation is expected on 4 days (about 0.8 inches), against a normal of 6 days and 1.4 inches. The warmest day looks like 18 October (67°), the coolest 26 October (36.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 58.2° | 52.5° | +3.2° |
| 28 October – 6 November | 56.3° | 48.9° | +4.1° |
| 7 November – 16 November | at normal | 43.8° | — |
October records over 66 years
0Alpena, Monday, 19 October
Partly cloudy. High 61°, low 42°.
0
Alpena, Tuesday, 20 October
Clear. High 58°, low 41°.
0
Alpena, Wednesday, 21 October
Mostly clear. High 64°, low 41°.
0Alpena, Thursday, 22 October
Clear. High 55°, low 40°.
0
Alpena, Friday, 23 October
Overcast. High 54°, low 42°.
0Alpena, Saturday, 24 October
Overcast. High 60°, low 41°.
0.05
Alpena, Sunday, 25 October
Light rain. High 59°, low 40°.
0Alpena, Monday, 26 October
Overcast. High 54°, low 36°.
0Alpena, Tuesday, 27 October
Mostly clear. High 50°, low 41°.
0.04Alpena, Wednesday, 28 October
Light rain. High 59°, low 46°.
0.09Alpena, Thursday, 29 October
Light rain. High 63°, low 55°.
0Alpena, Friday, 30 October
Overcast. High 57°, low 45°.
0.55Alpena, Saturday, 31 October
Rain. High 62°, low 47°.
0.02Alpena, Sunday, 1 November
Light rain. High 46°, low 42°.
0Alpena, Monday, 2 November
Partly cloudy. High 50°, low 37°.
0.07
Alpena, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.09Alpena, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.11Alpena, Thursday, 5 November
Climate normal for this date — 60-year average.
0.13Alpena, Friday, 6 November
Climate normal for this date — 60-year average.
0.05Alpena, Saturday, 7 November
Climate normal for this date — 60-year average.
0.05Alpena, Sunday, 8 November
Climate normal for this date — 60-year average.
0.09Alpena, Monday, 9 November
Climate normal for this date — 60-year average.
0.11Alpena, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.09Alpena, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Alpena, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06Alpena, Friday, 13 November
Climate normal for this date — 60-year average.
0.03Alpena, Saturday, 14 November
Climate normal for this date — 60-year average.
0.1Alpena, Sunday, 15 November
Climate normal for this date — 60-year average.
0.07Alpena, Monday, 16 November
Climate normal for this date — 60-year average.
About the monthly outlook
How accurate is a 30-day forecast?
The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Alpena, MI are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
What does "above normal" mean?
We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.
Where do the 66-year records come from?
They are real temperature extremes recorded in Alpena, MI since 1960: the highest and lowest reading for each calendar date, with the year it happened.
How often is it updated?
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.
Sun and moon today
Weather history
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