Weather in Great River, NY
Great River, Saturday, 8 August, 21:47
Overcast. Feels like 80°. High 88°, low 72°.
Monthly outlook for Great River, NY: average high 82.4°, average low 70.4°. That is 2.6° above the climate normal for August. Precipitation is expected on 4 days (about 1.8 inches), against a normal of 5 days and 2.3 inches. The warmest day looks like 9 August (91°), the coolest 22 August (64.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 84.6° | 78.4° | +3.5° |
| 18 August – 27 August | 78.8° | 76.9° | +1° |
| 28 August – 6 September | at normal | 75.8° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — South Farmingdale (15 mi).
0.01
Great River, Sunday, 9 August
Light rain. High 91°, low 75°.
0
Great River, Monday, 10 August
Clear. High 90°, low 73°.
0Great River, Tuesday, 11 August
Overcast. High 90°, low 78°.
0.09Great River, Wednesday, 12 August
Light rain. High 81°, low 72°.
0.14Great River, Thursday, 13 August
Light rain. High 86°, low 72°.
0Great River, Friday, 14 August
Clear. High 79°, low 67°.
0Great River, Saturday, 15 August
Clear. High 82°, low 68°.
0Great River, Sunday, 16 August
Overcast. High 81°, low 67°.
0Great River, Monday, 17 August
Overcast. High 78°, low 71°.
0.12Great River, Tuesday, 18 August
Light rain. High 78°, low 68°.
0Great River, Wednesday, 19 August
Overcast. High 79°, low 71°.
1.39Great River, Thursday, 20 August
Heavy rain. High 81°, low 69°.
0Great River, Friday, 21 August
Overcast. High 78°, low 67°.
0Great River, Saturday, 22 August
Clear. High 79°, low 65°.
0Great River, Sunday, 23 August
Overcast. High 78°, low 71°.
0.08
Great River, Monday, 24 August
Climate normal for this date — 60-year average.
0.09Great River, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.07Great River, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.13
Great River, Thursday, 27 August
Climate normal for this date — 60-year average.
0.19Great River, Friday, 28 August
Climate normal for this date — 60-year average.
0.14Great River, Saturday, 29 August
Climate normal for this date — 60-year average.
0.08Great River, Sunday, 30 August
Climate normal for this date — 60-year average.
0.05Great River, Monday, 31 August
Climate normal for this date — 60-year average.
0.07Great River, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.15Great River, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.11Great River, Thursday, 3 September
Climate normal for this date — 60-year average.
0.12Great River, Friday, 4 September
Climate normal for this date — 60-year average.
0.05
Great River, Saturday, 5 September
Climate normal for this date — 60-year average.
0.17Great River, 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 Great River, 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 Great River, 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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