Weather in Belle Haven, CT
Belle Haven, Wednesday, 21 October, 00:53
Clear. Feels like 50°. High 63°, low 45°.
Monthly outlook for Belle Haven, CT: average high 57.4°, average low 43°. That is 0.6° below the climate normal for October. Precipitation is expected on 2 days (about 1.1 inches), against a normal of 4 days and 1.9 inches. The warmest day looks like 27 October (68.3°), the coolest 24 October (36.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 59.4° | 59.1° | +0.1° |
| 31 October – 9 November | 54.1° | 56.1° | -1.1° |
| 10 November – 19 November | at normal | 51.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Byram (1 mi).
0
Belle Haven, Thursday, 22 October
Clear. High 66°, low 42°.
0Belle Haven, Friday, 23 October
Clear. High 53°, low 41°.
0Belle Haven, Saturday, 24 October
Clear. High 57°, low 36°.
0Belle Haven, Sunday, 25 October
Clear. High 62°, low 38°.
0Belle Haven, Monday, 26 October
Clear. High 66°, low 38°.
0
Belle Haven, Tuesday, 27 October
Overcast. High 68°, low 55°.
0Belle Haven, Wednesday, 28 October
Clear. High 52°, low 42°.
0.17
Belle Haven, Thursday, 29 October
Light rain. High 49°, low 45°.
0.02Belle Haven, Friday, 30 October
Light rain. High 57°, low 45°.
0Belle Haven, Saturday, 31 October
Clear. High 51°, low 40°.
0
Belle Haven, Sunday, 1 November
Mostly clear. High 60°, low 48°.
0.92Belle Haven, Monday, 2 November
Rain. High 64°, low 57°.
0Belle Haven, Tuesday, 3 November
Mostly clear. High 53°, low 42°.
0Belle Haven, Wednesday, 4 November
Clear. High 49°, low 37°.
0Belle Haven, Thursday, 5 November
Clear. High 47°, low 38°.
0.08
Belle Haven, Friday, 6 November
Climate normal for this date — 60-year average.
0.09Belle Haven, Saturday, 7 November
Climate normal for this date — 60-year average.
0.15Belle Haven, Sunday, 8 November
Climate normal for this date — 60-year average.
0.08Belle Haven, Monday, 9 November
Climate normal for this date — 60-year average.
0.15
Belle Haven, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.14Belle Haven, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.14Belle Haven, Thursday, 12 November
Climate normal for this date — 60-year average.
0.19Belle Haven, Friday, 13 November
Climate normal for this date — 60-year average.
0.08Belle Haven, Saturday, 14 November
Climate normal for this date — 60-year average.
0.1Belle Haven, Sunday, 15 November
Climate normal for this date — 60-year average.
0.12Belle 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.
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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