Weather in Saint Clair Haven, MI
Saint Clair Haven, Sunday, 18 October, 02:08
Clear. Feels like 43°. High 58°, low 40°.
Monthly outlook for Saint Clair Haven, MI: average high 60.6°, average low 47.8°. That is 3.6° above the climate normal for October. Precipitation is expected on 3 days (about 1.3 inches), against a normal of 6 days and 1.8 inches. The warmest day looks like 29 October (66.3°), the coolest 18 October (40.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 60.1° | 55° | +2.9° |
| 28 October – 6 November | 61.4° | 51.7° | +5.4° |
| 7 November – 16 November | at normal | 46.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Muirs (10 mi).
0
Saint Clair Haven, Monday, 19 October
Clear. High 62°, low 43°.
0Saint Clair Haven, Tuesday, 20 October
Clear. High 61°, low 45°.
0Saint Clair Haven, Wednesday, 21 October
Clear. High 60°, low 41°.
0
Saint Clair Haven, Thursday, 22 October
Overcast. High 63°, low 45°.
0Saint Clair Haven, Friday, 23 October
Clear. High 58°, low 41°.
0Saint Clair Haven, Saturday, 24 October
Overcast. High 61°, low 54°.
0.02
Saint Clair Haven, Sunday, 25 October
Light rain. High 64°, low 53°.
0.02Saint Clair Haven, Monday, 26 October
Light rain. High 55°, low 43°.
0
Saint Clair Haven, Tuesday, 27 October
Partly cloudy. High 58°, low 45°.
0Saint Clair Haven, Wednesday, 28 October
Overcast. High 60°, low 50°.
0.08Saint Clair Haven, Thursday, 29 October
Light rain. High 66°, low 57°.
0.09Saint Clair Haven, Friday, 30 October
Light rain. High 63°, low 54°.
0Saint Clair Haven, Saturday, 31 October
Overcast. High 55°, low 49°.
1.13Saint Clair Haven, Sunday, 1 November
Heavy rain. High 64°, low 51°.
0Saint Clair Haven, Monday, 2 November
Clear. High 61°, low 51°.
0.12Saint Clair Haven, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.09
Saint 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.
0.09Saint Clair Haven, Monday, 16 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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