Weather in Sylvan Lake, MI
Sylvan Lake, Wednesday, 21 October, 04:06
Clear. Feels like 42°. High 66°, low 40°.
Monthly outlook for Sylvan Lake, MI: average high 55.8°, average low 40.7°. That is 0.9° above the climate normal for October. Precipitation is expected on 2 days (about 1.0 inches), against a normal of 5 days and 1.4 inches. The warmest day looks like 22 October (67.6°), the coolest 28 October (34.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 57.7° | 55.1° | +1.5° |
| 31 October – 9 November | 52.5° | 51.3° | +0.7° |
| 10 November – 19 November | at normal | 45.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Keego Harbor (1 mi).
0
Sylvan Lake, Thursday, 22 October
Clear. High 68°, low 40°.
0Sylvan Lake, Friday, 23 October
Clear. High 60°, low 41°.
0Sylvan Lake, Saturday, 24 October
Clear. High 59°, low 42°.
0
Sylvan Lake, Sunday, 25 October
Overcast. High 62°, low 44°.
0Sylvan Lake, Monday, 26 October
Overcast. High 66°, low 48°.
0.11
Sylvan Lake, Tuesday, 27 October
Light rain. High 47°, low 37°.
0Sylvan Lake, Wednesday, 28 October
Clear. High 46°, low 35°.
0
Sylvan Lake, Thursday, 29 October
Mostly clear. High 53°, low 38°.
0Sylvan Lake, Friday, 30 October
Clear. High 50°, low 38°.
0Sylvan Lake, Saturday, 31 October
Clear. High 55°, low 40°.
0.89Sylvan Lake, Sunday, 1 November
Rain. High 62°, low 50°.
0.03Sylvan Lake, Monday, 2 November
Light rain. High 57°, low 46°.
0
Sylvan Lake, Tuesday, 3 November
Partly cloudy. High 47°, low 39°.
0Sylvan Lake, Wednesday, 4 November
Clear. High 48°, low 37°.
0Sylvan Lake, Thursday, 5 November
Partly cloudy. High 47°, low 36°.
0.06Sylvan Lake, Friday, 6 November
Climate normal for this date — 60-year average.
0.09Sylvan Lake, Saturday, 7 November
Climate normal for this date — 60-year average.
0.03Sylvan Lake, Sunday, 8 November
Climate normal for this date — 60-year average.
0.1
Sylvan Lake, Monday, 9 November
Climate normal for this date — 60-year average.
0.11Sylvan Lake, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.11Sylvan Lake, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Sylvan Lake, Thursday, 12 November
Climate normal for this date — 60-year average.
0.05Sylvan Lake, Friday, 13 November
Climate normal for this date — 60-year average.
0.09Sylvan Lake, Saturday, 14 November
Climate normal for this date — 60-year average.
0.13Sylvan Lake, Sunday, 15 November
Climate normal for this date — 60-year average.
0.07Sylvan Lake, Monday, 16 November
Climate normal for this date — 60-year average.
0.07Sylvan Lake, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.09Sylvan Lake, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.08Sylvan Lake, Thursday, 19 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 Sylvan Lake, 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 Sylvan Lake, 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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