Weather in Bay City, MI
Bay City, Sunday, 9 August, 02:14
Clear. Feels like 64°. High 85°, low 64°.
Monthly outlook for Bay City, MI: average high 80.1°, average low 58.5°. That is 1° above the climate normal for August. Precipitation is expected on 4 days (about 1.1 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 10 August (91.2°), the coolest 21 August (51.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 81.4° | 78.7° | +1.5° |
| 19 August – 28 August | 78.1° | 78° | +0° |
| 29 August – 7 September | at normal | 76.4° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Freeland (12 mi).
0.05
Bay City, Monday, 10 August
Light rain. High 91°, low 67°.
0.92Bay City, Tuesday, 11 August
Heavy rain. High 80°, low 63°.
0
Bay City, Wednesday, 12 August
Clear. High 82°, low 60°.
0
Bay City, Thursday, 13 August
Overcast. High 72°, low 52°.
0
Bay City, Friday, 14 August
Partly cloudy. High 77°, low 53°.
0Bay City, Saturday, 15 August
Overcast. High 74°, low 55°.
0Bay City, Sunday, 16 August
Overcast. High 81°, low 55°.
0Bay City, Monday, 17 August
Overcast. High 85°, low 61°.
0.01Bay City, Tuesday, 18 August
Light rain. High 86°, low 64°.
0.06Bay City, Wednesday, 19 August
Light rain. High 76°, low 62°.
0Bay City, Thursday, 20 August
Overcast. High 78°, low 58°.
0Bay City, Friday, 21 August
Overcast. High 72°, low 51°.
0.02Bay City, Saturday, 22 August
Light rain. High 78°, low 52°.
0.06Bay City, Sunday, 23 August
Light rain. High 83°, low 62°.
0Bay City, Monday, 24 August
Partly cloudy. High 80°, low 56°.
0.06Bay City, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.19
Bay City, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.13Bay City, Thursday, 27 August
Climate normal for this date — 60-year average.
0.11Bay City, Friday, 28 August
Climate normal for this date — 60-year average.
0.09Bay City, Saturday, 29 August
Climate normal for this date — 60-year average.
0.06Bay City, Sunday, 30 August
Climate normal for this date — 60-year average.
0.06Bay City, Monday, 31 August
Climate normal for this date — 60-year average.
0.08Bay City, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.08Bay City, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.09Bay City, Thursday, 3 September
Climate normal for this date — 60-year average.
0.08Bay City, Friday, 4 September
Climate normal for this date — 60-year average.
0.08Bay City, Saturday, 5 September
Climate normal for this date — 60-year average.
0.08Bay City, Sunday, 6 September
Climate normal for this date — 60-year average.
0.11Bay City, 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 Bay City, 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 Bay City, 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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