Weather in Great River, NY
Great River, Saturday, 14 November, 10:31
Overcast. Feels like 32°. High 45°, low 37°.
Monthly outlook for Great River, NY: average high 53°, average low 42.6°. That is 1.5° above the climate normal for November. Precipitation is expected on 1 day (about 0.4 inches), against a normal of 5 days and 2.0 inches. The warmest day looks like 29 November (61.7°), the coolest 17 November (35.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 14 November – 23 November | 53.2° | 50.6° | +1.5° |
| 24 November – 3 December | 52.6° | 48.8° | +2.1° |
| 4 December – 13 December | at normal | 44.7° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Islip (2 mi).
0
Great River, Sunday, 15 November
Partly cloudy. High 47°, low 40°.
0Great River, Monday, 16 November
Overcast. High 48°, low 36°.
0
Great River, Tuesday, 17 November
Clear. High 51°, low 36°.
0
Great River, Wednesday, 18 November
Mostly clear. High 56°, low 40°.
0Great River, Thursday, 19 November
Partly cloudy. High 59°, low 40°.
0Great River, Friday, 20 November
Clear. High 60°, low 47°.
0Great River, Saturday, 21 November
Clear. High 54°, low 47°.
0Great River, Sunday, 22 November
Overcast. High 57°, low 52°.
0Great River, Monday, 23 November
Clear. High 55°, low 40°.
0Great River, Tuesday, 24 November
Clear. High 44°, low 37°.
0Great River, Wednesday, 25 November
Overcast. High 44°, low 36°.
0.01
Great River, Thursday, 26 November
Light rain. High 53°, low 42°.
0Great River, Friday, 27 November
Overcast. High 55°, low 48°.
0Great River, Saturday, 28 November
Clear. High 58°, low 50°.
0.41Great River, Sunday, 29 November
Rain. High 62°, low 54°.
0.14
Great River, Monday, 30 November
Climate normal for this date — 60-year average.
0.14Great River, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.14Great River, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.15Great River, Thursday, 3 December
Climate normal for this date — 60-year average.
0.11Great River, Friday, 4 December
Climate normal for this date — 60-year average.
0.18Great River, Saturday, 5 December
Climate normal for this date — 60-year average.
0.19Great River, Sunday, 6 December
Climate normal for this date — 60-year average.
0.16Great River, Monday, 7 December
Climate normal for this date — 60-year average.
0.12Great River, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.24Great River, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.15Great River, Thursday, 10 December
Climate normal for this date — 60-year average.
0.27Great River, Friday, 11 December
Climate normal for this date — 60-year average.
0.15Great River, Saturday, 12 December
Climate normal for this date — 60-year average.
0.1Great River, Sunday, 13 December
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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