Weather in New Haven, CT
New Haven, Wednesday, 14 October, 21:40
Clear. Feels like 66°. High 76°, low 62°.
Monthly outlook for New Haven, CT: average high 61.9°, average low 47.9°. That is 1° above the climate normal for October. Precipitation is expected on 3 days (about 0.4 inches), against a normal of 5 days and 2.3 inches. The warmest day looks like 14 October (75.6°), the coolest 18 October (37.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 14 October – 23 October | 62.7° | 61.1° | +0.9° |
| 24 October – 2 November | 60.6° | 57.9° | +1.5° |
| 3 November – 12 November | at normal | 54.5° | — |
October records over 66 years
0
New Haven, Thursday, 15 October
Partly cloudy. High 64°, low 45°.
0.22
New Haven, Friday, 16 October
Light rain. High 70°, low 44°.
0
New Haven, Saturday, 17 October
Overcast. High 64°, low 40°.
0New Haven, Sunday, 18 October
Overcast. High 52°, low 37°.
0
New Haven, Monday, 19 October
Clear. High 58°, low 39°.
0New Haven, Tuesday, 20 October
Overcast. High 65°, low 47°.
0New Haven, Wednesday, 21 October
Clear. High 63°, low 50°.
0New Haven, Thursday, 22 October
Partly cloudy. High 57°, low 47°.
0.07New Haven, Friday, 23 October
Light rain. High 59°, low 56°.
0
New Haven, Saturday, 24 October
Mostly clear. High 64°, low 57°.
0New Haven, Sunday, 25 October
Overcast. High 68°, low 58°.
0.12New Haven, Monday, 26 October
Light rain. High 64°, low 49°.
0New Haven, Tuesday, 27 October
Clear. High 56°, low 44°.
0New Haven, Wednesday, 28 October
Overcast. High 52°, low 40°.
0New Haven, Thursday, 29 October
Overcast. High 60°, low 50°.
0.13New Haven, Friday, 30 October
Climate normal for this date — 60-year average.
0.07New Haven, Saturday, 31 October
Climate normal for this date — 60-year average.
0.12New Haven, Sunday, 1 November
Climate normal for this date — 60-year average.
0.07
New Haven, Monday, 2 November
Climate normal for this date — 60-year average.
0.11New Haven, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.05New Haven, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.14New Haven, Thursday, 5 November
Climate normal for this date — 60-year average.
0.09New Haven, Friday, 6 November
Climate normal for this date — 60-year average.
0.09New Haven, Saturday, 7 November
Climate normal for this date — 60-year average.
0.16New Haven, Sunday, 8 November
Climate normal for this date — 60-year average.
0.09New Haven, Monday, 9 November
Climate normal for this date — 60-year average.
0.15New Haven, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.15New Haven, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.15New Haven, Thursday, 12 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 New 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 New 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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