Weather in Barnum Island, NY
Barnum Island, Sunday, 9 August, 05:51
Clear. Feels like 77°. High 90°, low 74°.
Monthly outlook for Barnum Island, NY: average high 82.2°, average low 73.6°. That is 1.4° above the climate normal for August. Precipitation is expected on 5 days (about 0.7 inches), against a normal of 5 days and 2.2 inches. The warmest day looks like 9 August (89.7°), the coolest 15 August (65.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 81.9° | 80.5° | +0.8° |
| 19 August – 28 August | 82.8° | 78.9° | +2.1° |
| 29 August – 7 September | at normal | 77.6° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Island Park (1 mi).
0
Barnum Island, Monday, 10 August
Mostly clear. High 86°, low 73°.
0.02
Barnum Island, Tuesday, 11 August
Light rain. High 87°, low 76°.
0
Barnum Island, Wednesday, 12 August
Overcast. High 81°, low 77°.
0.15Barnum Island, Thursday, 13 August
Light rain. High 83°, low 73°.
0
Barnum Island, Friday, 14 August
Clear. High 78°, low 66°.
0Barnum Island, Saturday, 15 August
Clear. High 80°, low 65°.
0
Barnum Island, Sunday, 16 August
Partly cloudy. High 78°, low 70°.
0.07Barnum Island, Monday, 17 August
Light rain. High 77°, low 73°.
0Barnum Island, Tuesday, 18 August
Clear. High 78°, low 72°.
0Barnum Island, Wednesday, 19 August
Mostly clear. High 80°, low 75°.
0Barnum Island, Thursday, 20 August
Clear. High 81°, low 75°.
0.05Barnum Island, Friday, 21 August
Light rain. High 81°, low 76°.
0.07Barnum Island, Saturday, 22 August
Light rain. High 87°, low 76°.
0Barnum Island, Sunday, 23 August
Clear. High 85°, low 78°.
0.32Barnum Island, Monday, 24 August
Rain. High 84°, low 78°.
0.07Barnum Island, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.06Barnum Island, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.13
Barnum Island, Thursday, 27 August
Climate normal for this date — 60-year average.
0.19Barnum Island, Friday, 28 August
Climate normal for this date — 60-year average.
0.13Barnum Island, Saturday, 29 August
Climate normal for this date — 60-year average.
0.07Barnum Island, Sunday, 30 August
Climate normal for this date — 60-year average.
0.05Barnum Island, Monday, 31 August
Climate normal for this date — 60-year average.
0.08Barnum Island, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.15Barnum Island, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.11Barnum Island, Thursday, 3 September
Climate normal for this date — 60-year average.
0.11Barnum Island, Friday, 4 September
Climate normal for this date — 60-year average.
0.05Barnum Island, Saturday, 5 September
Climate normal for this date — 60-year average.
0.19Barnum Island, Sunday, 6 September
Climate normal for this date — 60-year average.
0.09Barnum Island, 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 Barnum Island, 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 Barnum Island, 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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