Weather in Derby, ME
Derby, Sunday, 11 October, 15:24
Overcast. Feels like 54°. High 56°, low 34°.
Monthly outlook for Derby, ME: average high 50°, average low 34.6°. That is 1.8° below the climate normal for October. Precipitation is expected on 3 days (about 2.0 inches), against a normal of 5 days and 2.5 inches. The warmest day looks like 12 October (70°), the coolest 19 October (26.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 October – 20 October | 50.7° | 54.3° | -2° |
| 21 October – 30 October | 48.9° | 50.5° | -0.9° |
| 31 October – 9 November | at normal | 46.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Schoodic (14 mi).
0
Derby, Monday, 12 October
Clear. High 70°, low 43°.
0.63
Derby, Tuesday, 13 October
Rain. High 46°, low 40°.
0.44Derby, Wednesday, 14 October
Rain. High 49°, low 43°.
0Derby, Thursday, 15 October
Clear. High 55°, low 39°.
0.84
Derby, Friday, 16 October
Snow. High 43°, low 36°.
0.02Derby, Saturday, 17 October
Light rain. High 45°, low 37°.
0Derby, Sunday, 18 October
Overcast. High 42°, low 28°.
0Derby, Monday, 19 October
Clear. High 47°, low 27°.
0.01Derby, Tuesday, 20 October
Light rain. High 55°, low 31°.
0Derby, Wednesday, 21 October
Clear. High 49°, low 34°.
0
Derby, Thursday, 22 October
Partly cloudy. High 49°, low 30°.
0Derby, Friday, 23 October
Clear. High 51°, low 30°.
0Derby, Saturday, 24 October
Overcast. High 51°, low 34°.
0.04Derby, Sunday, 25 October
Light rain. High 43°, low 36°.
0Derby, Monday, 26 October
Overcast. High 50°, low 32°.
0.11Derby, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.2
Derby, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.13Derby, Thursday, 29 October
Climate normal for this date — 60-year average.
0.16Derby, Friday, 30 October
Climate normal for this date — 60-year average.
0.13Derby, Saturday, 31 October
Climate normal for this date — 60-year average.
0.12Derby, Sunday, 1 November
Climate normal for this date — 60-year average.
0.19Derby, Monday, 2 November
Climate normal for this date — 60-year average.
0.24Derby, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.09Derby, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.14Derby, Thursday, 5 November
Climate normal for this date — 60-year average.
0.16Derby, Friday, 6 November
Climate normal for this date — 60-year average.
0.08Derby, Saturday, 7 November
Climate normal for this date — 60-year average.
0.11Derby, Sunday, 8 November
Climate normal for this date — 60-year average.
0.13Derby, Monday, 9 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, ME 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, ME 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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