Weather in Grand Isle, VT
Grand Isle, Wednesday, 11 November, 05:24
Partly cloudy. Feels like 40°. High 44°, low 39°.
Monthly outlook for Grand Isle, VT: average high 43°, average low 37.8°. That is 1.1° above the climate normal for November. Precipitation is expected on 2 days (about 0.8 inches), against a normal of 6 days and 1.8 inches. The warmest day looks like 21 November (51°), the coolest 25 November (31.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 November – 20 November | 42.5° | 42° | +0.3° |
| 21 November – 30 November | 43.8° | 38.9° | +2.7° |
| 1 December – 10 December | at normal | 34.6° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Chazy (12 mi).
0.25
Grand Isle, Thursday, 12 November
Light rain. High 41°, low 38°.
0.01
Grand Isle, Friday, 13 November
Light snow. High 42°, low 36°.
0Grand Isle, Saturday, 14 November
Light rain. High 41°, low 37°.
0.03Grand Isle, Sunday, 15 November
Light rain. High 43°, low 39°.
0
Grand Isle, Monday, 16 November
Overcast. High 43°, low 39°.
0
Grand Isle, Tuesday, 17 November
Partly cloudy. High 40°, low 36°.
0
Grand Isle, Wednesday, 18 November
Clear. High 42°, low 36°.
0Grand Isle, Thursday, 19 November
Clear. High 43°, low 37°.
0Grand Isle, Friday, 20 November
Overcast. High 46°, low 41°.
0Grand Isle, Saturday, 21 November
Partly cloudy. High 51°, low 44°.
0.52Grand Isle, Sunday, 22 November
Rain. High 49°, low 46°.
0Grand Isle, Monday, 23 November
Light rain. High 48°, low 39°.
0Grand Isle, Tuesday, 24 November
Overcast. High 39°, low 31°.
0Grand Isle, Wednesday, 25 November
Overcast. High 37°, low 31°.
0.02Grand Isle, Thursday, 26 November
Light snow. High 39°, low 36°.
0.13Grand Isle, Friday, 27 November
Climate normal for this date — 60-year average.
0.15Grand Isle, Saturday, 28 November
Climate normal for this date — 60-year average.
0.08Grand Isle, Sunday, 29 November
Climate normal for this date — 60-year average.
0.1
Grand Isle, Monday, 30 November
Climate normal for this date — 60-year average.
0.15Grand Isle, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.1Grand Isle, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.15Grand Isle, Thursday, 3 December
Climate normal for this date — 60-year average.
0.09Grand Isle, Friday, 4 December
Climate normal for this date — 60-year average.
0.08Grand Isle, Saturday, 5 December
Climate normal for this date — 60-year average.
0.12Grand Isle, Sunday, 6 December
Climate normal for this date — 60-year average.
0.1Grand Isle, Monday, 7 December
Climate normal for this date — 60-year average.
0.07Grand Isle, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.1Grand Isle, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.09Grand Isle, Thursday, 10 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, VT 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, VT 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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