Weather in Cos Cob, CT
Cos Cob, Saturday, 14 November, 19:30
Overcast. Feels like 37°. High 44°, low 36°.
Monthly outlook for Cos Cob, CT: average high 49.5°, average low 36.5°. That is 0° above the climate normal for November. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 19 November (59.8°), the coolest 24 November (27.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 14 November – 23 November | 52.6° | 49.8° | +1.5° |
| 24 November – 3 December | 44.3° | 47.6° | -1.8° |
| 4 December – 13 December | at normal | 43.1° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Pemberwick (4 mi).
0
Cos Cob, Sunday, 15 November
Light rain. High 47°, low 38°.
0Cos Cob, Monday, 16 November
Overcast. High 49°, low 35°.
0
Cos Cob, Tuesday, 17 November
Clear. High 53°, low 32°.
0
Cos Cob, Wednesday, 18 November
Mostly clear. High 58°, low 38°.
0Cos Cob, Thursday, 19 November
Overcast. High 60°, low 35°.
0Cos Cob, Friday, 20 November
Clear. High 57°, low 40°.
0Cos Cob, Saturday, 21 November
Clear. High 56°, low 47°.
0Cos Cob, Sunday, 22 November
Clear. High 57°, low 49°.
0Cos Cob, Monday, 23 November
Overcast. High 45°, low 34°.
0Cos Cob, Tuesday, 24 November
Clear. High 37°, low 28°.
0Cos Cob, Wednesday, 25 November
Clear. High 39°, low 29°.
0Cos Cob, Thursday, 26 November
Overcast. High 47°, low 38°.
0Cos Cob, Friday, 27 November
Clear. High 46°, low 34°.
0Cos Cob, Saturday, 28 November
Overcast. High 48°, low 36°.
0Cos Cob, Sunday, 29 November
Overcast. High 49°, low 37°.
0.13
Cos Cob, Monday, 30 November
Climate normal for this date — 60-year average.
0.14Cos Cob, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.12
Cos Cob, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.14Cos Cob, Thursday, 3 December
Climate normal for this date — 60-year average.
0.11Cos Cob, Friday, 4 December
Climate normal for this date — 60-year average.
0.15Cos Cob, Saturday, 5 December
Climate normal for this date — 60-year average.
0.15Cos Cob, Sunday, 6 December
Climate normal for this date — 60-year average.
0.12Cos Cob, Monday, 7 December
Climate normal for this date — 60-year average.
0.1Cos Cob, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.2Cos Cob, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.11Cos Cob, Thursday, 10 December
Climate normal for this date — 60-year average.
0.22Cos Cob, Friday, 11 December
Climate normal for this date — 60-year average.
0.13Cos Cob, Saturday, 12 December
Climate normal for this date — 60-year average.
0.11Cos Cob, Sunday, 13 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 Cos Cob, 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 Cos Cob, 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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