Weather in Alpena, SD
Alpena, Tuesday, 13 October, 11:28
Overcast. Feels like 43°. High 53°, low 45°.
Monthly outlook for Alpena, SD: average high 58°, average low 44.1°. That is 0.1° above the climate normal for October. Precipitation is expected on 4 days (about 1.2 inches), against a normal of 3 days and 0.9 inches. The warmest day looks like 21 October (71.7°), the coolest 26 October (36.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 13 October – 22 October | 61.1° | 59° | +1.2° |
| 23 October – 1 November | 52.9° | 54.4° | -0.8° |
| 2 November – 11 November | at normal | 48.1° | — |
October records over 66 years
0Alpena, Wednesday, 14 October
Overcast. High 53°, low 40°.
0.24
Alpena, Thursday, 15 October
Rain. High 60°, low 47°.
0
Alpena, Friday, 16 October
Clear. High 53°, low 41°.
0Alpena, Saturday, 17 October
Clear. High 68°, low 40°.
0Alpena, Sunday, 18 October
Overcast. High 64°, low 45°.
0Alpena, Monday, 19 October
Clear. High 64°, low 43°.
0.01Alpena, Tuesday, 20 October
Light rain. High 62°, low 45°.
0.15Alpena, Wednesday, 21 October
Light rain. High 72°, low 58°.
0.22Alpena, Thursday, 22 October
Light rain. High 63°, low 53°.
0.56Alpena, Friday, 23 October
Rain. High 51°, low 45°.
0
Alpena, Saturday, 24 October
Mostly clear. High 57°, low 44°.
0Alpena, Sunday, 25 October
Clear. High 60°, low 42°.
0Alpena, Monday, 26 October
Clear. High 49°, low 36°.
0Alpena, Tuesday, 27 October
Overcast. High 52°, low 39°.
0.01Alpena, Wednesday, 28 October
Light rain. High 48°, low 45°.
0.07
Alpena, Thursday, 29 October
Climate normal for this date — 60-year average.
0.09Alpena, Friday, 30 October
Climate normal for this date — 60-year average.
0.05Alpena, Saturday, 31 October
Climate normal for this date — 60-year average.
0.04Alpena, 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.
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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