Weather in Summer Harbor, ME
Summer Harbor, Wednesday, 21 October, 09:03
Overcast. Feels like 37°. High 59°, low 39°.
Monthly outlook for Summer Harbor, ME: average high 52.3°, average low 40.5°. That is 0.3° above the climate normal for October. Precipitation is expected on 5 days (about 1.9 inches), against a normal of 5 days and 2.3 inches. The warmest day looks like 26 October (61.8°), the coolest 1 November (33.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 53.9° | 52.5° | +0.8° |
| 31 October – 9 November | 49.7° | 49.7° | -0° |
| 10 November – 19 November | at normal | 45.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Winter Harbor (3 mi).
0Summer Harbor, Thursday, 22 October
Overcast. High 58°, low 39°.
0
Summer Harbor, Friday, 23 October
Partly cloudy. High 50°, low 38°.
0
Summer Harbor, Saturday, 24 October
Clear. High 51°, low 34°.
0Summer Harbor, Sunday, 25 October
Clear. High 57°, low 39°.
0Summer Harbor, Monday, 26 October
Partly cloudy. High 62°, low 39°.
0.02
Summer Harbor, Tuesday, 27 October
Light rain. High 47°, low 39°.
0Summer Harbor, Wednesday, 28 October
Overcast. High 46°, low 36°.
0.22Summer Harbor, Thursday, 29 October
Light rain. High 55°, low 47°.
0.03Summer Harbor, Friday, 30 October
Light rain. High 54°, low 38°.
0Summer Harbor, Saturday, 31 October
Clear. High 42°, low 34°.
0Summer Harbor, Sunday, 1 November
Clear. High 49°, low 33°.
0.11Summer Harbor, Monday, 2 November
Light rain. High 49°, low 46°.
0.7Summer Harbor, Tuesday, 3 November
Rain. High 52°, low 46°.
0.56Summer Harbor, Wednesday, 4 November
Rain. High 52°, low 51°.
0.26Summer Harbor, Thursday, 5 November
Light rain. High 53°, low 50°.
0.18
Summer Harbor, Friday, 6 November
Climate normal for this date — 60-year average.
0.08Summer Harbor, Saturday, 7 November
Climate normal for this date — 60-year average.
0.12Summer Harbor, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11Summer Harbor, Monday, 9 November
Climate normal for this date — 60-year average.
0.15Summer Harbor, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.14Summer Harbor, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.12Summer Harbor, Thursday, 12 November
Climate normal for this date — 60-year average.
0.18Summer Harbor, Friday, 13 November
Climate normal for this date — 60-year average.
0.13Summer Harbor, Saturday, 14 November
Climate normal for this date — 60-year average.
0.17Summer Harbor, Sunday, 15 November
Climate normal for this date — 60-year average.
0.17Summer Harbor, Monday, 16 November
Climate normal for this date — 60-year average.
0.13Summer Harbor, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.1Summer Harbor, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.08Summer Harbor, 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 Summer Harbor, 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 Summer Harbor, 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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