Weather in Belle Haven, CT
Belle Haven, Friday, 30 October, 14:53
Clear. Feels like 66°. High 68°, low 48°.
Monthly outlook for Belle Haven, CT: average high 57.5°, average low 44.9°. That is 1.5° above the climate normal for October. Precipitation is expected on 4 days (about 1.9 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 4 November (69.4°), the coolest 1 November (37.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 30 October – 8 November | 62.3° | 56.4° | +3.3° |
| 9 November – 18 November | 49.5° | 51.6° | -1.1° |
| 19 November – 28 November | at normal | 48.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Byram (1 mi).
0Belle Haven, Saturday, 31 October
Clear. High 56°, low 42°.
0
Belle Haven, Sunday, 1 November
Overcast. High 59°, low 38°.
0Belle Haven, Monday, 2 November
Overcast. High 63°, low 45°.
0Belle Haven, Tuesday, 3 November
Overcast. High 69°, low 48°.
0Belle Haven, Wednesday, 4 November
Overcast. High 69°, low 51°.
0.41
Belle Haven, Thursday, 5 November
Rain. High 64°, low 59°.
0.54Belle Haven, Friday, 6 November
Rain. High 64°, low 60°.
0.08Belle Haven, Saturday, 7 November
Light rain. High 60°, low 47°.
0Belle Haven, Sunday, 8 November
Clear. High 50°, low 40°.
0Belle Haven, Monday, 9 November
Clear. High 52°, low 39°.
0Belle Haven, Tuesday, 10 November
Overcast. High 50°, low 42°.
0.83Belle Haven, Wednesday, 11 November
Rain. High 43°, low 41°.
0.02Belle Haven, Thursday, 12 November
Light rain. High 48°, low 40°.
0Belle Haven, Friday, 13 November
Clear. High 52°, low 39°.
0Belle Haven, Saturday, 14 November
Clear. High 52°, low 39°.
0.1
Belle Haven, Sunday, 15 November
Climate normal for this date — 60-year average.
0.12
Belle Haven, Monday, 16 November
Climate normal for this date — 60-year average.
0.11Belle Haven, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.08Belle Haven, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.07Belle Haven, Thursday, 19 November
Climate normal for this date — 60-year average.
0.13Belle Haven, Friday, 20 November
Climate normal for this date — 60-year average.
0.11Belle Haven, Saturday, 21 November
Climate normal for this date — 60-year average.
0.14Belle Haven, Sunday, 22 November
Climate normal for this date — 60-year average.
0.11Belle Haven, Monday, 23 November
Climate normal for this date — 60-year average.
0.09Belle Haven, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.13Belle Haven, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.21Belle Haven, Thursday, 26 November
Climate normal for this date — 60-year average.
0.13Belle Haven, Friday, 27 November
Climate normal for this date — 60-year average.
0.15Belle Haven, Saturday, 28 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 Belle Haven, 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 Belle Haven, 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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