Weather in Roslyn Heights, NY
Roslyn Heights, Sunday, 9 August, 06:19
Mostly clear. Feels like 76°. High 90°, low 73°.
Monthly outlook for Roslyn Heights, NY: average high 86.1°, average low 72.6°. That is 3.7° above the climate normal for August. Precipitation is expected on 5 days (about 0.5 inches), against a normal of 6 days and 2.2 inches. The warmest day looks like 22 August (95°), the coolest 15 August (63.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 84.3° | 80.2° | +2.3° |
| 19 August – 28 August | 89° | 78.6° | +5.8° |
| 29 August – 7 September | at normal | 77.2° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Williston Park (1 mi).
0.01
Roslyn Heights, Monday, 10 August
Light rain. High 86°, low 71°.
0.04Roslyn Heights, Tuesday, 11 August
Light rain. High 91°, low 76°.
0
Roslyn Heights, Wednesday, 12 August
Overcast. High 83°, low 77°.
0.07Roslyn Heights, Thursday, 13 August
Light rain. High 86°, low 72°.
0
Roslyn Heights, Friday, 14 August
Clear. High 78°, low 65°.
0Roslyn Heights, Saturday, 15 August
Clear. High 81°, low 64°.
0
Roslyn Heights, Sunday, 16 August
Partly cloudy. High 82°, low 67°.
0.05Roslyn Heights, Monday, 17 August
Light rain. High 82°, low 72°.
0Roslyn Heights, Tuesday, 18 August
Clear. High 85°, low 70°.
0Roslyn Heights, Wednesday, 19 August
Partly cloudy. High 84°, low 74°.
0Roslyn Heights, Thursday, 20 August
Clear. High 86°, low 74°.
0.03Roslyn Heights, Friday, 21 August
Light rain. High 87°, low 75°.
0.05Roslyn Heights, Saturday, 22 August
Light rain. High 95°, low 76°.
0Roslyn Heights, Sunday, 23 August
Clear. High 94°, low 78°.
0.3Roslyn Heights, Monday, 24 August
Rain. High 89°, low 79°.
0.07Roslyn Heights, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.07Roslyn Heights, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.14
Roslyn Heights, Thursday, 27 August
Climate normal for this date — 60-year average.
0.19Roslyn Heights, Friday, 28 August
Climate normal for this date — 60-year average.
0.13Roslyn Heights, Saturday, 29 August
Climate normal for this date — 60-year average.
0.07Roslyn Heights, Sunday, 30 August
Climate normal for this date — 60-year average.
0.05Roslyn Heights, Monday, 31 August
Climate normal for this date — 60-year average.
0.08Roslyn Heights, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.16Roslyn Heights, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.11Roslyn Heights, Thursday, 3 September
Climate normal for this date — 60-year average.
0.11Roslyn Heights, Friday, 4 September
Climate normal for this date — 60-year average.
0.06Roslyn Heights, Saturday, 5 September
Climate normal for this date — 60-year average.
0.18Roslyn Heights, Sunday, 6 September
Climate normal for this date — 60-year average.
0.09Roslyn Heights, 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 Roslyn Heights, 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 Heights, 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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