Weather in Old Saybrook, CT
Old Saybrook, Monday, 26 October, 01:53
Clear. Feels like 49°. High 69°, low 37°.
Monthly outlook for Old Saybrook, CT: average high 55.6°, average low 42.4°. That is 0.2° below the climate normal for October. Precipitation is expected on 5 days (about 1.5 inches), against a normal of 5 days and 2.0 inches. The warmest day looks like 30 October (70.9°), the coolest 10 November (34.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 26 October – 4 November | 59.7° | 56.9° | +1.5° |
| 5 November – 14 November | 48.8° | 53° | -2.4° |
| 15 November – 24 November | at normal | 49.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Old Lyme (4 mi).
0
Old Saybrook, Tuesday, 27 October
Partly cloudy. High 57°, low 39°.
0
Old Saybrook, Wednesday, 28 October
Mostly clear. High 57°, low 35°.
0Old Saybrook, Thursday, 29 October
Partly cloudy. High 62°, low 47°.
0
Old Saybrook, Friday, 30 October
Clear. High 71°, low 52°.
0Old Saybrook, Saturday, 31 October
Mostly clear. High 59°, low 47°.
0
Old Saybrook, Sunday, 1 November
Overcast. High 56°, low 50°.
0.65
Old Saybrook, Monday, 2 November
Rain. High 60°, low 55°.
0.42Old Saybrook, Tuesday, 3 November
Rain. High 59°, low 46°.
0.06Old Saybrook, Wednesday, 4 November
Light rain. High 46°, low 38°.
0Old Saybrook, Thursday, 5 November
Overcast. High 46°, low 38°.
0Old Saybrook, Friday, 6 November
Overcast. High 48°, low 37°.
0Old Saybrook, Saturday, 7 November
Clear. High 50°, low 38°.
0.06Old Saybrook, Sunday, 8 November
Light rain. High 55°, low 48°.
0.28Old Saybrook, Monday, 9 November
Light rain. High 50°, low 37°.
0Old Saybrook, Tuesday, 10 November
Partly cloudy. High 44°, low 35°.
0.16
Old 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.
0.13Old Saybrook, Friday, 20 November
Climate normal for this date — 60-year average.
0.11Old Saybrook, Saturday, 21 November
Climate normal for this date — 60-year average.
0.15Old Saybrook, Sunday, 22 November
Climate normal for this date — 60-year average.
0.13Old Saybrook, Monday, 23 November
Climate normal for this date — 60-year average.
0.1Old Saybrook, Tuesday, 24 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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