Weather in Arthur Bay, MI
Arthur Bay, Sunday, 9 August, 00:47
Clear. Feels like 63°. High 75°, low 64°.
Monthly outlook for Arthur Bay, MI: average high 74.3°, average low 59°. That is 0.9° below the climate normal for August. Precipitation is expected on 4 days (about 0.6 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 18 August (84.1°), the coolest 15 August (51.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 77° | 76.3° | +0.4° |
| 19 August – 28 August | 69.7° | 75.3° | -3.1° |
| 29 August – 7 September | at normal | 73.3° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Stephenson (11 mi).
0
Arthur Bay, Monday, 10 August
Clear. High 80°, low 61°.
0.11
Arthur Bay, Tuesday, 11 August
Light rain. High 72°, low 63°.
0.01Arthur Bay, Wednesday, 12 August
Light rain. High 78°, low 59°.
0
Arthur Bay, Thursday, 13 August
Overcast. High 76°, low 52°.
0Arthur Bay, Friday, 14 August
Clear. High 75°, low 56°.
0Arthur Bay, Saturday, 15 August
Overcast. High 70°, low 52°.
0
Arthur Bay, Sunday, 16 August
Partly cloudy. High 79°, low 61°.
0Arthur Bay, Monday, 17 August
Overcast. High 81°, low 64°.
0.22Arthur Bay, Tuesday, 18 August
Light rain. High 84°, low 64°.
0.01Arthur Bay, Wednesday, 19 August
Light rain. High 65°, low 61°.
0Arthur Bay, Thursday, 20 August
Overcast. High 75°, low 57°.
0Arthur Bay, Friday, 21 August
Overcast. High 70°, low 54°.
0.14Arthur Bay, Saturday, 22 August
Light rain. High 66°, low 61°.
0.05Arthur Bay, Sunday, 23 August
Light rain. High 74°, low 60°.
0Arthur Bay, Monday, 24 August
Overcast. High 69°, low 55°.
0.13Arthur Bay, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.15
Arthur Bay, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.17Arthur Bay, Thursday, 27 August
Climate normal for this date — 60-year average.
0.09Arthur Bay, Friday, 28 August
Climate normal for this date — 60-year average.
0.09Arthur Bay, Saturday, 29 August
Climate normal for this date — 60-year average.
0.15Arthur Bay, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07Arthur Bay, Monday, 31 August
Climate normal for this date — 60-year average.
0.1Arthur Bay, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.1Arthur Bay, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.13Arthur Bay, Thursday, 3 September
Climate normal for this date — 60-year average.
0.07Arthur Bay, Friday, 4 September
Climate normal for this date — 60-year average.
0.11Arthur Bay, Saturday, 5 September
Climate normal for this date — 60-year average.
0.08Arthur Bay, Sunday, 6 September
Climate normal for this date — 60-year average.
0.12Arthur Bay, 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 Arthur Bay, 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 Arthur Bay, 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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