Weather in South Bay, NY
South Bay, Sunday, 9 August, 18:19
Clear. Feels like 79°. High 82°, low 69°.
Monthly outlook for South Bay, NY: average high 78.4°, average low 59.5°. That is 1° above the climate normal for August. Precipitation is expected on 7 days (about 1.1 inches), against a normal of 7 days and 2.4 inches. The warmest day looks like 23 August (85.4°), the coolest 15 August (52.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 78.2° | 77.4° | +0.5° |
| 19 August – 28 August | 78.8° | 75.6° | +1.8° |
| 29 August – 7 September | at normal | 74.3° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Sylvan Beach (4 mi).
0.06
South Bay, Monday, 10 August
Light rain. High 83°, low 68°.
0South Bay, Tuesday, 11 August
Light rain. High 82°, low 65°.
0.07South Bay, Wednesday, 12 August
Light rain. High 76°, low 61°.
0.03South Bay, Thursday, 13 August
Light rain. High 75°, low 58°.
0.11South Bay, Friday, 14 August
Light rain. High 74°, low 55°.
0
South Bay, Saturday, 15 August
Partly cloudy. High 79°, low 52°.
0.59South Bay, Sunday, 16 August
Rain. High 76°, low 59°.
0South Bay, Monday, 17 August
Light rain. High 76°, low 55°.
0.04South Bay, Tuesday, 18 August
Light rain. High 80°, low 57°.
0.12South Bay, Wednesday, 19 August
Light rain. High 74°, low 60°.
0
South Bay, Thursday, 20 August
Overcast. High 79°, low 58°.
0.03South Bay, Friday, 21 August
Light rain. High 79°, low 62°.
0South Bay, Saturday, 22 August
Clear. High 78°, low 57°.
0South Bay, Sunday, 23 August
Clear. High 85°, low 54°.
0.06South Bay, Monday, 24 August
Light rain. High 77°, low 61°.
0.12
South Bay, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.09South Bay, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.18South Bay, Thursday, 27 August
Climate normal for this date — 60-year average.
0.26South Bay, Friday, 28 August
Climate normal for this date — 60-year average.
0.18South Bay, Saturday, 29 August
Climate normal for this date — 60-year average.
0.15South Bay, Sunday, 30 August
Climate normal for this date — 60-year average.
0.15South Bay, Monday, 31 August
Climate normal for this date — 60-year average.
0.07South Bay, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.16South Bay, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.15South Bay, Thursday, 3 September
Climate normal for this date — 60-year average.
0.13South Bay, Friday, 4 September
Climate normal for this date — 60-year average.
0.12South Bay, Saturday, 5 September
Climate normal for this date — 60-year average.
0.18South Bay, Sunday, 6 September
Climate normal for this date — 60-year average.
0.14South Bay, 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 Bay, 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 Bay, 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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