Weather in Saint Clair Haven, MI
Saint Clair Haven, Saturday, 17 October, 16:33
Clear. Feels like 54°. High 56°, low 38°.
Monthly outlook for Saint Clair Haven, MI: average high 59.2°, average low 47.2°. That is 2.7° above the climate normal for October. Precipitation is expected on 4 days (about 1.5 inches), against a normal of 6 days and 1.7 inches. The warmest day looks like 25 October (66.4°), the coolest 17 October (38.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 61.1° | 55.2° | +3.3° |
| 27 October – 5 November | 56° | 52.1° | +2.2° |
| 6 November – 15 November | at normal | 47° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Muirs (10 mi).
0Saint Clair Haven, Sunday, 18 October
Clear. High 58°, low 41°.
0Saint Clair Haven, Monday, 19 October
Clear. High 62°, low 43°.
0Saint Clair Haven, Tuesday, 20 October
Clear. High 61°, low 43°.
0
Saint Clair Haven, Wednesday, 21 October
Mostly clear. High 61°, low 43°.
0.02
Saint Clair Haven, Thursday, 22 October
Light rain. High 62°, low 46°.
0Saint Clair Haven, Friday, 23 October
Clear. High 60°, low 44°.
0
Saint Clair Haven, Saturday, 24 October
Overcast. High 62°, low 55°.
0Saint Clair Haven, Sunday, 25 October
Overcast. High 66°, low 57°.
0.4Saint Clair Haven, Monday, 26 October
Rain. High 63°, low 54°.
0Saint Clair Haven, Tuesday, 27 October
Mostly clear. High 52°, low 43°.
0Saint Clair Haven, Wednesday, 28 October
Clear. High 48°, low 41°.
0.15Saint Clair Haven, Thursday, 29 October
Light rain. High 54°, low 48°.
0.06Saint Clair Haven, Friday, 30 October
Light rain. High 61°, low 54°.
0.86Saint Clair Haven, Saturday, 31 October
Rain. High 62°, low 55°.
0Saint Clair Haven, Sunday, 1 November
Clear. High 58°, low 51°.
0.24
Saint Clair Haven, Monday, 2 November
Climate normal for this date — 60-year average.
0.12
Saint Clair Haven, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.09Saint Clair Haven, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.11Saint Clair Haven, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Saint Clair Haven, Friday, 6 November
Climate normal for this date — 60-year average.
0.11Saint Clair Haven, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Saint Clair Haven, Sunday, 8 November
Climate normal for this date — 60-year average.
0.12Saint Clair Haven, Monday, 9 November
Climate normal for this date — 60-year average.
0.15Saint Clair Haven, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.15Saint Clair Haven, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.09Saint Clair Haven, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06Saint Clair Haven, Friday, 13 November
Climate normal for this date — 60-year average.
0.11Saint Clair Haven, Saturday, 14 November
Climate normal for this date — 60-year average.
0.18Saint Clair Haven, Sunday, 15 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 Saint Clair Haven, 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 Saint Clair Haven, 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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