Weather in Roslyn Harbor, NY
Roslyn Harbor, Sunday, 15 November, 02:30
Mostly clear. Feels like 38°. High 48°, low 39°.
Monthly outlook for Roslyn Harbor, NY: average high 51.7°, average low 40.8°. That is 1.3° above the climate normal for November. Precipitation is expected on 1 day (about 1.6 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 28 November (61.8°), the coolest 24 November (28.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 November – 24 November | 52.8° | 49.6° | +1.8° |
| 25 November – 4 December | 49.8° | 47.5° | +1.3° |
| 5 December – 14 December | at normal | 43.2° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Greenvale (1 mi).
0
Roslyn Harbor, Monday, 16 November
Overcast. High 50°, low 37°.
0
Roslyn Harbor, Tuesday, 17 November
Clear. High 52°, low 38°.
0
Roslyn Harbor, Wednesday, 18 November
Mostly clear. High 57°, low 42°.
0Roslyn Harbor, Thursday, 19 November
Overcast. High 57°, low 41°.
0Roslyn Harbor, Friday, 20 November
Clear. High 61°, low 45°.
0Roslyn Harbor, Saturday, 21 November
Clear. High 56°, low 48°.
0
Roslyn Harbor, Sunday, 22 November
Partly cloudy. High 58°, low 51°.
0.01
Roslyn Harbor, Monday, 23 November
Light rain. High 54°, low 37°.
0Roslyn Harbor, Tuesday, 24 November
Clear. High 35°, low 29°.
0Roslyn Harbor, Wednesday, 25 November
Clear. High 42°, low 31°.
0Roslyn Harbor, Thursday, 26 November
Overcast. High 44°, low 34°.
0Roslyn Harbor, Friday, 27 November
Overcast. High 53°, low 38°.
1.59Roslyn Harbor, Saturday, 28 November
Heavy rain. High 62°, low 54°.
0Roslyn Harbor, Sunday, 29 November
Clear. High 53°, low 46°.
0Roslyn Harbor, Monday, 30 November
Overcast. High 46°, low 42°.
0.14
Roslyn Harbor, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.12Roslyn Harbor, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.14Roslyn Harbor, Thursday, 3 December
Climate normal for this date — 60-year average.
0.1Roslyn Harbor, Friday, 4 December
Climate normal for this date — 60-year average.
0.16Roslyn Harbor, Saturday, 5 December
Climate normal for this date — 60-year average.
0.15Roslyn Harbor, Sunday, 6 December
Climate normal for this date — 60-year average.
0.13Roslyn Harbor, Monday, 7 December
Climate normal for this date — 60-year average.
0.1Roslyn Harbor, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.22Roslyn Harbor, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.12Roslyn Harbor, Thursday, 10 December
Climate normal for this date — 60-year average.
0.22Roslyn Harbor, Friday, 11 December
Climate normal for this date — 60-year average.
0.12Roslyn Harbor, Saturday, 12 December
Climate normal for this date — 60-year average.
0.1Roslyn Harbor, Sunday, 13 December
Climate normal for this date — 60-year average.
0.17Roslyn Harbor, Monday, 14 December
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 Roslyn 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 Roslyn 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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