Weather in New Haven, CT
New Haven, Wednesday, 21 October, 22:37
Overcast. Feels like 49°. High 61°, low 45°.
Monthly outlook for New Haven, CT: average high 59.1°, average low 43.5°. That is 0.5° above the climate normal for October. Precipitation is expected on 3 days (about 0.6 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 22 October (66.6°), the coolest 24 October (35.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 61.3° | 58.7° | +1.4° |
| 31 October – 9 November | 55.4° | 55.9° | -0.3° |
| 10 November – 19 November | at normal | 51.2° | — |
October records over 66 years
0
New Haven, Thursday, 22 October
Clear. High 67°, low 47°.
0New Haven, Friday, 23 October
Clear. High 59°, low 41°.
0New Haven, Saturday, 24 October
Overcast. High 59°, low 35°.
0New Haven, Sunday, 25 October
Clear. High 63°, low 36°.
0New Haven, Monday, 26 October
Clear. High 66°, low 40°.
0New Haven, Tuesday, 27 October
Overcast. High 61°, low 49°.
0New Haven, Wednesday, 28 October
Overcast. High 62°, low 48°.
0
New Haven, Thursday, 29 October
Light rain. High 58°, low 47°.
0New Haven, Friday, 30 October
Clear. High 58°, low 43°.
0New Haven, Saturday, 31 October
Clear. High 57°, low 44°.
0New Haven, Sunday, 1 November
Clear. High 57°, low 44°.
0.05New Haven, Monday, 2 November
Light rain. High 57°, low 47°.
0.05New Haven, Tuesday, 3 November
Light rain. High 54°, low 42°.
0New Haven, Wednesday, 4 November
Clear. High 49°, low 41°.
0.5New Haven, Thursday, 5 November
Rain. High 59°, low 49°.
0.09
New 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.
0.15
New 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.
0.21New Haven, Friday, 13 November
Climate normal for this date — 60-year average.
0.09New Haven, Saturday, 14 November
Climate normal for this date — 60-year average.
0.12New Haven, Sunday, 15 November
Climate normal for this date — 60-year average.
0.14New Haven, Monday, 16 November
Climate normal for this date — 60-year average.
0.13New Haven, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.08New Haven, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.06New 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 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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