Weather in Cold Spring Harbor, NY
Cold Spring Harbor, Saturday, 8 August, 20:05
Overcast. Feels like 86°. High 87°, low 71°.
Monthly outlook for Cold Spring Harbor, NY: average high 81.9°, average low 70.3°. That is 2.3° above the climate normal for August. Precipitation is expected on 7 days (about 3.0 inches), against a normal of 5 days and 2.3 inches. The warmest day looks like 11 August (92.2°), the coolest 23 August (62.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 84.4° | 78.3° | +3.4° |
| 18 August – 27 August | 77.8° | 76.9° | +0.5° |
| 28 August – 6 September | at normal | 75.8° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Farmingdale (9 mi).
0
Cold Spring Harbor, Sunday, 9 August
Light rain. High 92°, low 74°.
0.01Cold Spring Harbor, Monday, 10 August
Light rain. High 91°, low 72°.
0.04Cold Spring Harbor, Tuesday, 11 August
Light rain. High 92°, low 77°.
0.44Cold Spring Harbor, Wednesday, 12 August
Rain. High 81°, low 73°.
0.09Cold Spring Harbor, Thursday, 13 August
Light rain. High 88°, low 70°.
0Cold Spring Harbor, Friday, 14 August
Overcast. High 79°, low 68°.
0
Cold Spring Harbor, Saturday, 15 August
Clear. High 78°, low 64°.
0Cold Spring Harbor, Sunday, 16 August
Overcast. High 77°, low 68°.
0Cold Spring Harbor, Monday, 17 August
Overcast. High 79°, low 71°.
0.2Cold Spring Harbor, Tuesday, 18 August
Light rain. High 81°, low 73°.
0.09Cold Spring Harbor, Wednesday, 19 August
Light rain. High 82°, low 72°.
0.01Cold Spring Harbor, Thursday, 20 August
Light rain. High 78°, low 70°.
1.42Cold Spring Harbor, Friday, 21 August
Heavy rain. High 76°, low 70°.
0.72Cold Spring Harbor, Saturday, 22 August
Heavy rain. High 78°, low 70°.
0Cold Spring Harbor, Sunday, 23 August
Clear. High 72°, low 63°.
0.08
Cold Spring Harbor, Monday, 24 August
Climate normal for this date — 60-year average.
0.09Cold Spring Harbor, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.07Cold Spring Harbor, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.13
Cold Spring Harbor, Thursday, 27 August
Climate normal for this date — 60-year average.
0.19Cold Spring Harbor, Friday, 28 August
Climate normal for this date — 60-year average.
0.14Cold Spring Harbor, Saturday, 29 August
Climate normal for this date — 60-year average.
0.08Cold Spring Harbor, Sunday, 30 August
Climate normal for this date — 60-year average.
0.05Cold Spring Harbor, Monday, 31 August
Climate normal for this date — 60-year average.
0.07Cold Spring Harbor, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.15Cold Spring Harbor, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.11Cold Spring Harbor, Thursday, 3 September
Climate normal for this date — 60-year average.
0.12Cold Spring Harbor, Friday, 4 September
Climate normal for this date — 60-year average.
0.05
Cold Spring Harbor, Saturday, 5 September
Climate normal for this date — 60-year average.
0.17Cold Spring Harbor, Sunday, 6 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 Cold Spring 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 Cold Spring 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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