Weather in Alpena, SD
Alpena, Friday, 16 October, 02:28
Overcast. Feels like 38°. High 51°, low 39°.
Monthly outlook for Alpena, SD: average high 60°, average low 43.7°. That is 1.9° above the climate normal for October. Precipitation is expected on 3 days (about 0.4 inches), against a normal of 3 days and 0.9 inches. The warmest day looks like 22 October (79.7°), the coolest 29 October (35.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 16 October – 25 October | 65.5° | 58.1° | +4.1° |
| 26 October – 4 November | 51° | 52.6° | -0.9° |
| 5 November – 14 November | at normal | 46.4° | — |
October records over 66 years
0
Alpena, Saturday, 17 October
Clear. High 65°, low 38°.
0Alpena, Sunday, 18 October
Clear. High 65°, low 46°.
0Alpena, Monday, 19 October
Clear. High 64°, low 47°.
0Alpena, Tuesday, 20 October
Clear. High 67°, low 48°.
0Alpena, Wednesday, 21 October
Clear. High 74°, low 53°.
0Alpena, Thursday, 22 October
Overcast. High 80°, low 57°.
0.08
Alpena, Friday, 23 October
Light rain. High 74°, low 61°.
0.02Alpena, Saturday, 24 October
Light rain. High 62°, low 42°.
0Alpena, Sunday, 25 October
Overcast. High 54°, low 38°.
0.24
Alpena, Monday, 26 October
Snow. High 43°, low 37°.
0.02Alpena, Tuesday, 27 October
Light rain. High 42°, low 38°.
0.07Alpena, Wednesday, 28 October
Light rain. High 45°, low 37°.
0
Alpena, Thursday, 29 October
Partly cloudy. High 59°, low 35°.
0Alpena, Friday, 30 October
Clear. High 58°, low 40°.
0Alpena, Saturday, 31 October
Overcast. High 58°, low 42°.
0.04
Alpena, Sunday, 1 November
Climate normal for this date — 60-year average.
0.04Alpena, Monday, 2 November
Climate normal for this date — 60-year average.
0.03Alpena, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.01Alpena, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.04Alpena, Thursday, 5 November
Climate normal for this date — 60-year average.
0.02Alpena, Friday, 6 November
Climate normal for this date — 60-year average.
0.03Alpena, Saturday, 7 November
Climate normal for this date — 60-year average.
0.07Alpena, Sunday, 8 November
Climate normal for this date — 60-year average.
0.07Alpena, Monday, 9 November
Climate normal for this date — 60-year average.
0.05Alpena, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.02Alpena, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Alpena, Thursday, 12 November
Climate normal for this date — 60-year average.
0.02Alpena, Friday, 13 November
Climate normal for this date — 60-year average.
0.02Alpena, Saturday, 14 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, SD 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, SD 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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