Weather in Old Saybrook, CT
Old Saybrook, Tuesday, 10 November, 06:42
Overcast. Feels like 45°. High 58°, low 45°.
Monthly outlook for Old Saybrook, CT: average high 52.4°, average low 43.4°. That is 1.3° above the climate normal for November. Precipitation is expected on 6 days (about 3.4 inches), against a normal of 5 days and 2.1 inches. The warmest day looks like 24 November (62.9°), the coolest 14 November (36.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 November – 19 November | 50.1° | 51.1° | -0.6° |
| 20 November – 29 November | 56.1° | 48.5° | +4.3° |
| 30 November – 9 December | at normal | 44.7° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Old Lyme (4 mi).
0Old Saybrook, Wednesday, 11 November
Overcast. High 57°, low 44°.
0.35
Old Saybrook, Thursday, 12 November
Rain. High 56°, low 41°.
0.54Old Saybrook, Friday, 13 November
Rain. High 44°, low 37°.
0.09Old Saybrook, Saturday, 14 November
Light rain. High 42°, low 36°.
0
Old Saybrook, Sunday, 15 November
Clear. High 50°, low 37°.
0Old Saybrook, Monday, 16 November
Clear. High 48°, low 39°.
0Old Saybrook, Tuesday, 17 November
Clear. High 48°, low 39°.
0Old Saybrook, Wednesday, 18 November
Clear. High 49°, low 39°.
0Old Saybrook, Thursday, 19 November
Clear. High 49°, low 37°.
0
Old Saybrook, Friday, 20 November
Partly cloudy. High 52°, low 45°.
0Old Saybrook, Saturday, 21 November
Overcast. High 57°, low 51°.
1.07Old Saybrook, Sunday, 22 November
Rain. High 58°, low 57°.
0.68Old Saybrook, Monday, 23 November
Rain. High 59°, low 55°.
0.68Old Saybrook, Tuesday, 24 November
Rain. High 63°, low 49°.
0Old Saybrook, Wednesday, 25 November
Clear. High 48°, low 45°.
0.2
Old Saybrook, Thursday, 26 November
Climate normal for this date — 60-year average.
0.13Old Saybrook, Friday, 27 November
Climate normal for this date — 60-year average.
0.19Old Saybrook, Saturday, 28 November
Climate normal for this date — 60-year average.
0.08Old Saybrook, Sunday, 29 November
Climate normal for this date — 60-year average.
0.14Old Saybrook, Monday, 30 November
Climate normal for this date — 60-year average.
0.13Old Saybrook, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.14Old Saybrook, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.16Old Saybrook, Thursday, 3 December
Climate normal for this date — 60-year average.
0.11Old Saybrook, Friday, 4 December
Climate normal for this date — 60-year average.
0.17Old Saybrook, Saturday, 5 December
Climate normal for this date — 60-year average.
0.16Old Saybrook, Sunday, 6 December
Climate normal for this date — 60-year average.
0.15Old Saybrook, Monday, 7 December
Climate normal for this date — 60-year average.
0.1Old Saybrook, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.19Old Saybrook, Wednesday, 9 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 Old Saybrook, 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 Old Saybrook, 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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