Weather in Lefferts Mill, NY
Lefferts Mill, Sunday, 9 August, 03:08
Clear. Feels like 77°. High 89°, low 75°.
Monthly outlook for Lefferts Mill, NY: average high 83.1°, average low 71.9°. That is 2.4° above the climate normal for August. Precipitation is expected on 6 days (about 0.5 inches), against a normal of 5 days and 2.2 inches. The warmest day looks like 22 August (89.5°), the coolest 15 August (63.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 82.1° | 79.5° | +1.4° |
| 19 August – 28 August | 84.8° | 77.9° | +3.8° |
| 29 August – 7 September | at normal | 76.5° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Huntington (5 mi).
0
Lefferts Mill, Monday, 10 August
Partly cloudy. High 86°, low 72°.
0.07
Lefferts Mill, Tuesday, 11 August
Light rain. High 88°, low 75°.
0
Lefferts Mill, Wednesday, 12 August
Overcast. High 79°, low 74°.
0.07Lefferts Mill, Thursday, 13 August
Light rain. High 84°, low 71°.
0
Lefferts Mill, Friday, 14 August
Clear. High 77°, low 65°.
0Lefferts Mill, Saturday, 15 August
Clear. High 79°, low 63°.
0Lefferts Mill, Sunday, 16 August
Overcast. High 80°, low 66°.
0.04Lefferts Mill, Monday, 17 August
Light rain. High 80°, low 69°.
0.02Lefferts Mill, Tuesday, 18 August
Light rain. High 80°, low 68°.
0.01Lefferts Mill, Wednesday, 19 August
Light rain. High 81°, low 73°.
0Lefferts Mill, Thursday, 20 August
Clear. High 82°, low 73°.
0.06Lefferts Mill, Friday, 21 August
Light rain. High 85°, low 76°.
0.06Lefferts Mill, Saturday, 22 August
Light rain. High 90°, low 76°.
0Lefferts Mill, Sunday, 23 August
Clear. High 89°, low 76°.
0.2Lefferts Mill, Monday, 24 August
Light rain. High 82°, low 76°.
0.08Lefferts Mill, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.07Lefferts Mill, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.13Lefferts Mill, Thursday, 27 August
Climate normal for this date — 60-year average.
0.2
Lefferts Mill, Friday, 28 August
Climate normal for this date — 60-year average.
0.14Lefferts Mill, Saturday, 29 August
Climate normal for this date — 60-year average.
0.07Lefferts Mill, Sunday, 30 August
Climate normal for this date — 60-year average.
0.05Lefferts Mill, Monday, 31 August
Climate normal for this date — 60-year average.
0.07Lefferts Mill, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.15Lefferts Mill, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.11Lefferts Mill, Thursday, 3 September
Climate normal for this date — 60-year average.
0.12Lefferts Mill, Friday, 4 September
Climate normal for this date — 60-year average.
0.05
Lefferts Mill, Saturday, 5 September
Climate normal for this date — 60-year average.
0.16Lefferts Mill, Sunday, 6 September
Climate normal for this date — 60-year average.
0.09Lefferts Mill, 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 Lefferts Mill, 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 Lefferts Mill, 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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