Weather in South Jamesport, NY
South Jamesport, Sunday, 9 August, 13:55
Partly cloudy. Feels like 94°. High 86°, low 72°.
Monthly outlook for South Jamesport, NY: average high 78.1°, average low 70.1°. That is 0.4° above the climate normal for August. Precipitation is expected on 3 days (about 1.1 inches), against a normal of 5 days and 2.0 inches. The warmest day looks like 9 August (85.6°), the coolest 15 August (65.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 78.5° | 78° | +0.2° |
| 19 August – 28 August | 77.5° | 76.5° | +0.5° |
| 29 August – 7 September | at normal | 75.1° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Quogue (8 mi).
0
South Jamesport, Monday, 10 August
Clear. High 85°, low 70°.
0.02
South Jamesport, Tuesday, 11 August
Light rain. High 80°, low 74°.
0
South Jamesport, Wednesday, 12 August
Overcast. High 78°, low 71°.
0.04South Jamesport, Thursday, 13 August
Light rain. High 80°, low 73°.
0South Jamesport, Friday, 14 August
Clear. High 77°, low 68°.
0South Jamesport, Saturday, 15 August
Clear. High 76°, low 65°.
0South Jamesport, Sunday, 16 August
Partly cloudy. High 74°, low 68°.
0.77South Jamesport, Monday, 17 August
Heavy rain. High 73°, low 68°.
0South Jamesport, Tuesday, 18 August
Overcast. High 76°, low 66°.
0South Jamesport, Wednesday, 19 August
Overcast. High 75°, low 72°.
0.08South Jamesport, Thursday, 20 August
Light rain. High 79°, low 73°.
0South Jamesport, Friday, 21 August
Partly cloudy. High 76°, low 68°.
0South Jamesport, Saturday, 22 August
Clear. High 79°, low 73°.
0.22South Jamesport, Sunday, 23 August
Rain. High 82°, low 74°.
0South Jamesport, Monday, 24 August
Clear. High 73°, low 67°.
0.1South Jamesport, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.07South Jamesport, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.09South Jamesport, Thursday, 27 August
Climate normal for this date — 60-year average.
0.17South Jamesport, Friday, 28 August
Climate normal for this date — 60-year average.
0.16South Jamesport, Saturday, 29 August
Climate normal for this date — 60-year average.
0.11South Jamesport, Sunday, 30 August
Climate normal for this date — 60-year average.
0.05
South Jamesport, Monday, 31 August
Climate normal for this date — 60-year average.
0.07South Jamesport, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.21South Jamesport, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.1South Jamesport, Thursday, 3 September
Climate normal for this date — 60-year average.
0.14South Jamesport, Friday, 4 September
Climate normal for this date — 60-year average.
0.04South Jamesport, Saturday, 5 September
Climate normal for this date — 60-year average.
0.11South Jamesport, Sunday, 6 September
Climate normal for this date — 60-year average.
0.09South Jamesport, 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 Jamesport, 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 Jamesport, 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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