Weather in South Haven, NY
South Haven, Sunday, 9 August, 14:10
Partly cloudy. Feels like 98°. High 88°, low 72°.
Monthly outlook for South Haven, NY: average high 80.4°, average low 70°. That is 1.5° above the climate normal for August. Precipitation is expected on 2 days (about 0.6 inches), against a normal of 5 days and 2.2 inches. The warmest day looks like 9 August (88°), the coolest 16 August (65.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 80.8° | 78.3° | +1.4° |
| 19 August – 28 August | 79.7° | 76.8° | +1.6° |
| 29 August – 7 September | at normal | 75.5° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Brookhaven (4 mi).
0
South Haven, Monday, 10 August
Light rain. High 88°, low 71°.
0.01South Haven, Tuesday, 11 August
Light rain. High 86°, low 74°.
0
South Haven, Wednesday, 12 August
Overcast. High 80°, low 71°.
0.04South Haven, Thursday, 13 August
Light rain. High 85°, low 73°.
0
South Haven, Friday, 14 August
Mostly clear. High 79°, low 68°.
0
South Haven, Saturday, 15 August
Clear. High 77°, low 65°.
0South Haven, Sunday, 16 August
Partly cloudy. High 75°, low 65°.
0.5South Haven, Monday, 17 August
Rain. High 73°, low 67°.
0South Haven, Tuesday, 18 August
Overcast. High 77°, low 66°.
0South Haven, Wednesday, 19 August
Partly cloudy. High 76°, low 72°.
0.07South Haven, Thursday, 20 August
Light rain. High 81°, low 73°.
0South Haven, Friday, 21 August
Partly cloudy. High 78°, low 67°.
0South Haven, Saturday, 22 August
Clear. High 80°, low 73°.
0.03South Haven, Sunday, 23 August
Light rain. High 86°, low 74°.
0South Haven, Monday, 24 August
Clear. High 76°, low 67°.
0.09South Haven, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.09South Haven, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.12South Haven, Thursday, 27 August
Climate normal for this date — 60-year average.
0.18
South Haven, Friday, 28 August
Climate normal for this date — 60-year average.
0.15South Haven, Saturday, 29 August
Climate normal for this date — 60-year average.
0.07South Haven, Sunday, 30 August
Climate normal for this date — 60-year average.
0.04South Haven, Monday, 31 August
Climate normal for this date — 60-year average.
0.06South Haven, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.2South Haven, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.11South Haven, Thursday, 3 September
Climate normal for this date — 60-year average.
0.13South Haven, Friday, 4 September
Climate normal for this date — 60-year average.
0.05South Haven, Saturday, 5 September
Climate normal for this date — 60-year average.
0.14South Haven, Sunday, 6 September
Climate normal for this date — 60-year average.
0.1South Haven, 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 South Haven, 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 South Haven, 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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