Weather in Hadlyme, CT
Hadlyme, Sunday, 25 October, 07:59
Clear. Feels like 39°. High 67°, low 35°.
Monthly outlook for Hadlyme, CT: average high 60.9°, average low 45.7°. That is 2.6° above the climate normal for October. Precipitation is expected on 2 days (about 2.9 inches), against a normal of 5 days and 2.0 inches. The warmest day looks like 30 October (70.3°), the coolest 28 October (34.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 25 October – 3 November | 62.8° | 57.3° | +3.1° |
| 4 November – 13 November | 57.8° | 53.6° | +2.3° |
| 14 November – 23 November | at normal | 49.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Old Lyme (9 mi).
0Hadlyme, Monday, 26 October
Clear. High 68°, low 37°.
0Hadlyme, Tuesday, 27 October
Clear. High 54°, low 40°.
0Hadlyme, Wednesday, 28 October
Clear. High 55°, low 34°.
0
Hadlyme, Thursday, 29 October
Mostly clear. High 61°, low 44°.
0Hadlyme, Friday, 30 October
Mostly clear. High 70°, low 51°.
0
Hadlyme, Saturday, 31 October
Overcast. High 62°, low 49°.
0Hadlyme, Sunday, 1 November
Overcast. High 59°, low 52°.
0Hadlyme, Monday, 2 November
Overcast. High 64°, low 53°.
0Hadlyme, Tuesday, 3 November
Overcast. High 67°, low 55°.
0.01
Hadlyme, Wednesday, 4 November
Light rain. High 68°, low 58°.
2.38Hadlyme, Thursday, 5 November
Heavy rain. High 60°, low 44°.
0Hadlyme, Friday, 6 November
Overcast. High 53°, low 46°.
0Hadlyme, Saturday, 7 November
Overcast. High 58°, low 45°.
0.5Hadlyme, Sunday, 8 November
Rain. High 56°, low 45°.
0Hadlyme, Monday, 9 November
Overcast. High 51°, low 43°.
0.18
Hadlyme, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.16Hadlyme, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.16Hadlyme, Thursday, 12 November
Climate normal for this date — 60-year average.
0.21Hadlyme, Friday, 13 November
Climate normal for this date — 60-year average.
0.09
Hadlyme, Saturday, 14 November
Climate normal for this date — 60-year average.
0.13Hadlyme, Sunday, 15 November
Climate normal for this date — 60-year average.
0.15Hadlyme, Monday, 16 November
Climate normal for this date — 60-year average.
0.15Hadlyme, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.08Hadlyme, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.06Hadlyme, Thursday, 19 November
Climate normal for this date — 60-year average.
0.13Hadlyme, Friday, 20 November
Climate normal for this date — 60-year average.
0.11Hadlyme, Saturday, 21 November
Climate normal for this date — 60-year average.
0.15Hadlyme, Sunday, 22 November
Climate normal for this date — 60-year average.
0.13Hadlyme, Monday, 23 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 Hadlyme, 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 Hadlyme, 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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