Weather in Derby, MI
Derby, Saturday, 17 October, 01:56
Overcast. Feels like 33°. High 54°, low 42°.
Monthly outlook for Derby, MI: average high 59.1°, average low 50°. That is 1.6° above the climate normal for October. Precipitation is expected on 3 days (about 0.7 inches), against a normal of 6 days and 1.9 inches. The warmest day looks like 24 October (67°), the coolest 17 October (42.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 60.6° | 57.1° | +1.9° |
| 27 October – 5 November | 56.7° | 53.7° | +1.6° |
| 6 November – 15 November | at normal | 48.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Bridgman (7 mi).
0
Derby, Sunday, 18 October
Clear. High 60°, low 51°.
0Derby, Monday, 19 October
Clear. High 59°, low 50°.
0
Derby, Tuesday, 20 October
Partly cloudy. High 63°, low 52°.
0Derby, Wednesday, 21 October
Clear. High 64°, low 52°.
0Derby, Thursday, 22 October
Partly cloudy. High 62°, low 57°.
0Derby, Friday, 23 October
Clear. High 66°, low 56°.
0Derby, Saturday, 24 October
Overcast. High 67°, low 53°.
0Derby, Sunday, 25 October
Overcast. High 59°, low 48°.
0Derby, Monday, 26 October
Overcast. High 52°, low 44°.
0Derby, Tuesday, 27 October
Overcast. High 61°, low 51°.
0Derby, Wednesday, 28 October
Clear. High 54°, low 49°.
0.05
Derby, Thursday, 29 October
Light rain. High 56°, low 44°.
0.55Derby, Friday, 30 October
Rain. High 61°, low 51°.
0.08Derby, Saturday, 31 October
Light rain. High 53°, low 50°.
0Derby, Sunday, 1 November
Clear. High 54°, low 49°.
0.14
Derby, Monday, 2 November
Climate normal for this date — 60-year average.
0.07Derby, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.11Derby, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.13Derby, Thursday, 5 November
Climate normal for this date — 60-year average.
0.09Derby, Friday, 6 November
Climate normal for this date — 60-year average.
0.08Derby, Saturday, 7 November
Climate normal for this date — 60-year average.
0.07Derby, Sunday, 8 November
Climate normal for this date — 60-year average.
0.14Derby, Monday, 9 November
Climate normal for this date — 60-year average.
0.15Derby, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.1Derby, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.09Derby, Thursday, 12 November
Climate normal for this date — 60-year average.
0.07Derby, Friday, 13 November
Climate normal for this date — 60-year average.
0.08Derby, Saturday, 14 November
Climate normal for this date — 60-year average.
0.11Derby, 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 Derby, 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 Derby, 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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