Weather in Black River, MI
Black River, Sunday, 9 August, 03:27
Clear. Feels like 59°. High 82°, low 59°.
Monthly outlook for Black River, MI: average high 73.1°, average low 61°. That is 0.3° below the climate normal for August. Precipitation is expected on 5 days (about 0.8 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 20 August (84.3°), the coolest 14 August (51.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 72.6° | 74.2° | -0.9° |
| 19 August – 28 August | 74° | 73.1° | +0.5° |
| 29 August – 7 September | at normal | 71.5° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Lost Lake Woods (6 mi).
0.11
Black River, Monday, 10 August
Rain. High 80°, low 65°.
0
Black River, Tuesday, 11 August
Overcast. High 75°, low 61°.
0.02Black River, Wednesday, 12 August
Light rain. High 73°, low 62°.
0
Black River, Thursday, 13 August
Mostly clear. High 66°, low 56°.
0
Black River, Friday, 14 August
Partly cloudy. High 67°, low 52°.
0Black River, Saturday, 15 August
Overcast. High 70°, low 54°.
0.05Black River, Sunday, 16 August
Light rain. High 67°, low 60°.
0.09Black River, Monday, 17 August
Light rain. High 74°, low 62°.
0Black River, Tuesday, 18 August
Mostly clear. High 73°, low 59°.
0Black River, Wednesday, 19 August
Partly cloudy. High 81°, low 64°.
0.09Black River, Thursday, 20 August
Light rain. High 84°, low 68°.
0Black River, Friday, 21 August
Overcast. High 74°, low 65°.
0.01Black River, Saturday, 22 August
Light rain. High 71°, low 59°.
0.41Black River, Sunday, 23 August
Rain. High 67°, low 65°.
0Black River, Monday, 24 August
Overcast. High 67°, low 64°.
0.07Black River, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.15
Black River, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.17Black River, Thursday, 27 August
Climate normal for this date — 60-year average.
0.1Black River, Friday, 28 August
Climate normal for this date — 60-year average.
0.13Black River, Saturday, 29 August
Climate normal for this date — 60-year average.
0.09Black River, Sunday, 30 August
Climate normal for this date — 60-year average.
0.05Black River, Monday, 31 August
Climate normal for this date — 60-year average.
0.07Black River, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.08Black River, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.11Black River, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Black River, Friday, 4 September
Climate normal for this date — 60-year average.
0.11Black River, Saturday, 5 September
Climate normal for this date — 60-year average.
0.06Black River, Sunday, 6 September
Climate normal for this date — 60-year average.
0.08Black River, Monday, 7 September
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 Black River, 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 Black River, 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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