Weather in Grand Isle, ME
Grand Isle, Tuesday, 3 November, 18:19
Fog. Feels like 32°. High 47°, low 38°.
Monthly outlook for Grand Isle, ME: average high 41°, average low 31.1°. That is 0.7° above the climate normal for November. Precipitation is expected on 5 days (about 1.7 inches), against a normal of 6 days and 2.0 inches. The warmest day looks like 5 November (59.6°), the coolest 14 November (22.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 3 November – 12 November | 44° | 41.5° | +1.4° |
| 13 November – 22 November | 36° | 35.7° | +0.2° |
| 23 November – 2 December | at normal | 31.9° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Saint David (8 mi).
0.97
Grand Isle, Wednesday, 4 November
Rain. High 53°, low 41°.
0.19Grand Isle, Thursday, 5 November
Rain. High 60°, low 47°.
0.02Grand Isle, Friday, 6 November
Light rain. High 60°, low 46°.
0
Grand Isle, Saturday, 7 November
Overcast. High 47°, low 34°.
0.25Grand Isle, Sunday, 8 November
Light rain. High 39°, low 34°.
0.07
Grand Isle, Monday, 9 November
Snow. High 34°, low 29°.
0
Grand Isle, Tuesday, 10 November
Mostly clear. High 36°, low 26°.
0Grand Isle, Wednesday, 11 November
Mostly clear. High 33°, low 26°.
0Grand Isle, Thursday, 12 November
Overcast. High 32°, low 24°.
0Grand Isle, Friday, 13 November
Overcast. High 32°, low 23°.
0
Grand Isle, Saturday, 14 November
Partly cloudy. High 31°, low 22°.
0.01Grand Isle, Sunday, 15 November
Light snow. High 36°, low 27°.
0Grand Isle, Monday, 16 November
Overcast. High 37°, low 27°.
0Grand Isle, Tuesday, 17 November
Overcast. High 40°, low 26°.
0
Grand Isle, Wednesday, 18 November
Clear. High 41°, low 27°.
0.08Grand Isle, Thursday, 19 November
Climate normal for this date — 60-year average.
0.13
Grand Isle, Friday, 20 November
Climate normal for this date — 60-year average.
0.16Grand Isle, Saturday, 21 November
Climate normal for this date — 60-year average.
0.13Grand Isle, Sunday, 22 November
Climate normal for this date — 60-year average.
0.09Grand Isle, Monday, 23 November
Climate normal for this date — 60-year average.
0.08Grand Isle, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.14Grand Isle, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.15Grand Isle, Thursday, 26 November
Climate normal for this date — 60-year average.
0.18Grand Isle, Friday, 27 November
Climate normal for this date — 60-year average.
0.13Grand Isle, Saturday, 28 November
Climate normal for this date — 60-year average.
0.13Grand Isle, Sunday, 29 November
Climate normal for this date — 60-year average.
0.1Grand Isle, Monday, 30 November
Climate normal for this date — 60-year average.
0.17Grand Isle, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.16Grand Isle, Wednesday, 2 December
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 Grand Isle, 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 Grand Isle, 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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