Weather in Groton Long Point, CT
Groton Long Point, Monday, 9 November, 10:07
Overcast. Feels like 49°. High 55°, low 46°.
Monthly outlook for Groton Long Point, CT: average high 50.9°, average low 42.9°. That is 0.1° above the climate normal for November. Precipitation is expected on 3 days (about 1.4 inches), against a normal of 5 days and 2.1 inches. The warmest day looks like 10 November (56.6°), the coolest 14 November (35.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 November – 18 November | 50.6° | 51.9° | -0.8° |
| 19 November – 28 November | 51.5° | 49° | +1.4° |
| 29 November – 8 December | at normal | 45.4° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Fishers Island (3 mi).
0Groton Long Point, Tuesday, 10 November
Overcast. High 57°, low 46°.
0Groton Long Point, Wednesday, 11 November
Overcast. High 55°, low 44°.
0Groton Long Point, Thursday, 12 November
Overcast. High 54°, low 42°.
0.26
Groton Long Point, Friday, 13 November
Light rain. High 45°, low 42°.
0
Groton Long Point, Saturday, 14 November
Partly cloudy. High 46°, low 35°.
0
Groton Long Point, Sunday, 15 November
Mostly clear. High 47°, low 37°.
0Groton Long Point, Monday, 16 November
Partly cloudy. High 47°, low 42°.
0
Groton Long Point, Tuesday, 17 November
Clear. High 50°, low 39°.
0Groton Long Point, Wednesday, 18 November
Clear. High 49°, low 38°.
0Groton Long Point, Thursday, 19 November
Overcast. High 49°, low 40°.
0Groton Long Point, Friday, 20 November
Clear. High 54°, low 47°.
0Groton Long Point, Saturday, 21 November
Overcast. High 56°, low 53°.
0.14Groton Long Point, Sunday, 22 November
Light rain. High 55°, low 49°.
0.94Groton Long Point, Monday, 23 November
Heavy rain. High 48°, low 44°.
0Groton Long Point, Tuesday, 24 November
Overcast. High 47°, low 42°.
0.16Groton Long Point, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.2
Groton Long Point, Thursday, 26 November
Climate normal for this date — 60-year average.
0.13Groton Long Point, Friday, 27 November
Climate normal for this date — 60-year average.
0.2Groton Long Point, Saturday, 28 November
Climate normal for this date — 60-year average.
0.08Groton Long Point, Sunday, 29 November
Climate normal for this date — 60-year average.
0.14Groton Long Point, Monday, 30 November
Climate normal for this date — 60-year average.
0.13Groton Long Point, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.14Groton Long Point, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.17Groton Long Point, Thursday, 3 December
Climate normal for this date — 60-year average.
0.11Groton Long Point, Friday, 4 December
Climate normal for this date — 60-year average.
0.18Groton Long Point, Saturday, 5 December
Climate normal for this date — 60-year average.
0.17Groton Long Point, Sunday, 6 December
Climate normal for this date — 60-year average.
0.14Groton Long Point, Monday, 7 December
Climate normal for this date — 60-year average.
0.1Groton Long Point, Tuesday, 8 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 Groton Long Point, CT 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 Groton Long Point, CT 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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