Weather in Old Saybrook, CT
Old Saybrook, Wednesday, 21 October, 22:13
Clear. Feels like 49°. High 60°, low 45°.
Monthly outlook for Old Saybrook, CT: average high 58.5°, average low 44.6°. That is 0.5° above the climate normal for October. Precipitation is expected on 2 days (about 0.5 inches), against a normal of 4 days and 2.0 inches. The warmest day looks like 22 October (65.9°), the coolest 24 October (35°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 60.6° | 58.2° | +1.3° |
| 31 October – 9 November | 55.1° | 55.5° | -0.2° |
| 10 November – 19 November | at normal | 51.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Old Lyme (4 mi).
0
Old Saybrook, Thursday, 22 October
Mostly clear. High 66°, low 47°.
0
Old Saybrook, Friday, 23 October
Clear. High 59°, low 40°.
0
Old Saybrook, Saturday, 24 October
Overcast. High 59°, low 35°.
0Old Saybrook, Sunday, 25 October
Clear. High 62°, low 36°.
0Old Saybrook, Monday, 26 October
Clear. High 65°, low 39°.
0
Old Saybrook, Tuesday, 27 October
Partly cloudy. High 61°, low 49°.
0Old Saybrook, Wednesday, 28 October
Overcast. High 60°, low 53°.
0Old Saybrook, Thursday, 29 October
Clear. High 59°, low 48°.
0Old Saybrook, Friday, 30 October
Clear. High 55°, low 45°.
0Old Saybrook, Saturday, 31 October
Clear. High 55°, low 46°.
0Old Saybrook, Sunday, 1 November
Clear. High 57°, low 46°.
0.04
Old Saybrook, Monday, 2 November
Light rain. High 55°, low 48°.
0.05Old Saybrook, Tuesday, 3 November
Light rain. High 55°, low 43°.
0Old Saybrook, Wednesday, 4 November
Mostly clear. High 49°, low 43°.
0.43Old Saybrook, Thursday, 5 November
Rain. High 59°, low 51°.
0.11
Old Saybrook, Friday, 6 November
Climate normal for this date — 60-year average.
0.07Old Saybrook, Saturday, 7 November
Climate normal for this date — 60-year average.
0.13Old Saybrook, Sunday, 8 November
Climate normal for this date — 60-year average.
0.09Old Saybrook, Monday, 9 November
Climate normal for this date — 60-year average.
0.18Old Saybrook, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.16Old Saybrook, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.16Old Saybrook, Thursday, 12 November
Climate normal for this date — 60-year average.
0.21Old Saybrook, Friday, 13 November
Climate normal for this date — 60-year average.
0.09Old Saybrook, Saturday, 14 November
Climate normal for this date — 60-year average.
0.13Old Saybrook, Sunday, 15 November
Climate normal for this date — 60-year average.
0.15Old Saybrook, Monday, 16 November
Climate normal for this date — 60-year average.
0.15Old Saybrook, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.08Old Saybrook, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.06Old Saybrook, Thursday, 19 November
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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