Weather in Gretna, NY
Gretna, Tuesday, 3 November, 01:26
Clear. Feels like 48°. High 67°, low 43°.
Monthly outlook for Gretna, NY: average high 57°, average low 37.4°. That is 3° above the climate normal for November. Precipitation is expected on 3 days (about 0.3 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 4 November (72.1°), the coolest 15 November (24.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 3 November – 12 November | 59.7° | 53.2° | +3.6° |
| 13 November – 22 November | 52.5° | 48.1° | +2.4° |
| 23 November – 2 December | at normal | 45.7° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Arlington (6 mi).
0
Gretna, Wednesday, 4 November
Clear. High 72°, low 43°.
0.12
Gretna, Thursday, 5 November
Light rain. High 64°, low 53°.
0.07Gretna, Friday, 6 November
Rain. High 68°, low 56°.
0.06Gretna, Saturday, 7 November
Light rain. High 61°, low 48°.
0
Gretna, Sunday, 8 November
Partly cloudy. High 55°, low 35°.
0Gretna, Monday, 9 November
Clear. High 51°, low 29°.
0Gretna, Tuesday, 10 November
Clear. High 60°, low 33°.
0
Gretna, Wednesday, 11 November
Overcast. High 54°, low 36°.
0Gretna, Thursday, 12 November
Clear. High 45°, low 28°.
0Gretna, Friday, 13 November
Partly cloudy. High 53°, low 29°.
0
Gretna, Saturday, 14 November
Mostly clear. High 44°, low 28°.
0Gretna, Sunday, 15 November
Partly cloudy. High 48°, low 25°.
0.03Gretna, Monday, 16 November
Light rain. High 47°, low 37°.
0Gretna, Tuesday, 17 November
Clear. High 65°, low 38°.
0Gretna, Wednesday, 18 November
Clear. High 58°, low 38°.
0.07Gretna, Thursday, 19 November
Climate normal for this date — 60-year average.
0.15Gretna, Friday, 20 November
Climate normal for this date — 60-year average.
0.1Gretna, Saturday, 21 November
Climate normal for this date — 60-year average.
0.14
Gretna, Sunday, 22 November
Climate normal for this date — 60-year average.
0.11Gretna, Monday, 23 November
Climate normal for this date — 60-year average.
0.1Gretna, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.13Gretna, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.2Gretna, Thursday, 26 November
Climate normal for this date — 60-year average.
0.12Gretna, Friday, 27 November
Climate normal for this date — 60-year average.
0.18Gretna, Saturday, 28 November
Climate normal for this date — 60-year average.
0.09Gretna, Sunday, 29 November
Climate normal for this date — 60-year average.
0.12Gretna, Monday, 30 November
Climate normal for this date — 60-year average.
0.13Gretna, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.12Gretna, Wednesday, 2 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 Gretna, 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 Gretna, 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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