Weather in Summer Harbor, ME
Summer Harbor, Monday, 19 October, 21:32
Overcast. Feels like 42°. High 58°, low 35°.
Monthly outlook for Summer Harbor, ME: average high 52.3°, average low 39.2°. That is 0° above the climate normal for October. Precipitation is expected on 2 days (about 0.4 inches), against a normal of 5 days and 2.3 inches. The warmest day looks like 20 October (60°), the coolest 29 October (33.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 54.6° | 53.2° | +0.8° |
| 29 October – 7 November | 48.5° | 50.3° | -1° |
| 8 November – 17 November | at normal | 46° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Winter Harbor (3 mi).
0
Summer Harbor, Tuesday, 20 October
Mostly clear. High 60°, low 38°.
0Summer Harbor, Wednesday, 21 October
Overcast. High 57°, low 34°.
0Summer Harbor, Thursday, 22 October
Overcast. High 54°, low 44°.
0.19
Summer Harbor, Friday, 23 October
Light rain. High 47°, low 39°.
0
Summer Harbor, Saturday, 24 October
Clear. High 50°, low 37°.
0Summer Harbor, Sunday, 25 October
Clear. High 58°, low 38°.
0Summer Harbor, Monday, 26 October
Overcast. High 56°, low 48°.
0.03Summer Harbor, Tuesday, 27 October
Light rain. High 52°, low 44°.
0.15Summer Harbor, Wednesday, 28 October
Light rain. High 54°, low 39°.
0Summer Harbor, Thursday, 29 October
Clear. High 42°, low 33°.
0Summer Harbor, Friday, 30 October
Clear. High 42°, low 35°.
0Summer Harbor, Saturday, 31 October
Clear. High 52°, low 36°.
0Summer Harbor, Sunday, 1 November
Overcast. High 50°, low 34°.
0.04Summer Harbor, Monday, 2 November
Light rain. High 54°, low 47°.
0Summer Harbor, Tuesday, 3 November
Light rain. High 53°, low 47°.
0.07
Summer Harbor, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.15
Summer Harbor, Thursday, 5 November
Climate normal for this date — 60-year average.
0.18Summer 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.
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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