Weather in Northwest Harbor, NY
Northwest Harbor, Sunday, 9 August, 01:24
Partly cloudy. Feels like 76°. High 91°, low 73°.
Monthly outlook for Northwest Harbor, NY: average high 79.1°, average low 68.8°. That is 2.7° above the climate normal for August. Precipitation is expected on 4 days (about 1.3 inches), against a normal of 5 days and 2.1 inches. The warmest day looks like 9 August (90.6°), the coolest 22 August (64.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 80.3° | 74.7° | +3.1° |
| 19 August – 28 August | 77.2° | 73.5° | +2.1° |
| 29 August – 7 September | at normal | 72.4° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Sag Harbor (4 mi).
0
Northwest Harbor, Monday, 10 August
Clear. High 87°, low 71°.
0
Northwest Harbor, Tuesday, 11 August
Overcast. High 84°, low 75°.
0.19
Northwest Harbor, Wednesday, 12 August
Rain. High 76°, low 69°.
0.12Northwest Harbor, Thursday, 13 August
Light rain. High 81°, low 69°.
0Northwest Harbor, Friday, 14 August
Clear. High 75°, low 65°.
0Northwest Harbor, Saturday, 15 August
Clear. High 78°, low 66°.
0Northwest Harbor, Sunday, 16 August
Clear. High 77°, low 66°.
0Northwest Harbor, Monday, 17 August
Overcast. High 77°, low 69°.
0Northwest Harbor, Tuesday, 18 August
Overcast. High 77°, low 69°.
0Northwest Harbor, Wednesday, 19 August
Overcast. High 77°, low 67°.
0.85Northwest Harbor, Thursday, 20 August
Heavy rain. High 78°, low 70°.
0Northwest Harbor, Friday, 21 August
Overcast. High 76°, low 67°.
0Northwest Harbor, Saturday, 22 August
Clear. High 75°, low 64°.
0Northwest Harbor, Sunday, 23 August
Light rain. High 76°, low 68°.
0.1Northwest Harbor, Monday, 24 August
Light rain. High 82°, low 73°.
0.1
Northwest Harbor, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.06
Northwest Harbor, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.09Northwest Harbor, Thursday, 27 August
Climate normal for this date — 60-year average.
0.16Northwest Harbor, Friday, 28 August
Climate normal for this date — 60-year average.
0.17
Northwest Harbor, Saturday, 29 August
Climate normal for this date — 60-year average.
0.1Northwest Harbor, Sunday, 30 August
Climate normal for this date — 60-year average.
0.06Northwest Harbor, Monday, 31 August
Climate normal for this date — 60-year average.
0.07Northwest Harbor, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.21Northwest Harbor, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.1Northwest Harbor, Thursday, 3 September
Climate normal for this date — 60-year average.
0.14Northwest Harbor, Friday, 4 September
Climate normal for this date — 60-year average.
0.05Northwest Harbor, Saturday, 5 September
Climate normal for this date — 60-year average.
0.12Northwest Harbor, Sunday, 6 September
Climate normal for this date — 60-year average.
0.1Northwest Harbor, Monday, 7 September
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 Northwest Harbor, NY 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 Northwest Harbor, NY 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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