Weather in Rockville Centre, NY
Rockville Centre, Sunday, 9 August, 09:40
Overcast. Feels like 89°. High 90°, low 72°.
Monthly outlook for Rockville Centre, NY: average high 82.4°, average low 71.7°. That is 2° above the climate normal for August. Precipitation is expected on 1 day (about 0.3 inches), against a normal of 5 days and 2.2 inches. The warmest day looks like 9 August (90°), the coolest 15 August (66.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 82.8° | 79.4° | +1.9° |
| 19 August – 28 August | 81.8° | 77.9° | +2.1° |
| 29 August – 7 September | at normal | 76.6° | — |
August records over 66 years
0
Rockville Centre, Monday, 10 August
Light rain. High 88°, low 73°.
0Rockville Centre, Tuesday, 11 August
Overcast. High 89°, low 75°.
0Rockville Centre, Wednesday, 12 August
Overcast. High 83°, low 77°.
0.01Rockville Centre, Thursday, 13 August
Light rain. High 87°, low 75°.
0
Rockville Centre, Friday, 14 August
Partly cloudy. High 80°, low 69°.
0
Rockville Centre, Saturday, 15 August
Clear. High 79°, low 66°.
0Rockville Centre, Sunday, 16 August
Overcast. High 77°, low 69°.
0.29Rockville Centre, Monday, 17 August
Rain. High 74°, low 68°.
0Rockville Centre, Tuesday, 18 August
Overcast. High 80°, low 67°.
0Rockville Centre, Wednesday, 19 August
Clear. High 78°, low 74°.
0.03Rockville Centre, Thursday, 20 August
Light rain. High 83°, low 73°.
0Rockville Centre, Friday, 21 August
Partly cloudy. High 82°, low 69°.
0Rockville Centre, Saturday, 22 August
Clear. High 82°, low 75°.
0.02Rockville Centre, Sunday, 23 August
Light rain. High 87°, low 76°.
0Rockville Centre, Monday, 24 August
Clear. High 80°, low 69°.
0.07Rockville Centre, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.06Rockville Centre, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.13
Rockville Centre, Thursday, 27 August
Climate normal for this date — 60-year average.
0.19Rockville Centre, Friday, 28 August
Climate normal for this date — 60-year average.
0.13Rockville Centre, Saturday, 29 August
Climate normal for this date — 60-year average.
0.07Rockville Centre, Sunday, 30 August
Climate normal for this date — 60-year average.
0.05
Rockville Centre, Monday, 31 August
Climate normal for this date — 60-year average.
0.08Rockville Centre, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.15Rockville Centre, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.11Rockville Centre, Thursday, 3 September
Climate normal for this date — 60-year average.
0.11Rockville Centre, Friday, 4 September
Climate normal for this date — 60-year average.
0.05Rockville Centre, Saturday, 5 September
Climate normal for this date — 60-year average.
0.19Rockville Centre, Sunday, 6 September
Climate normal for this date — 60-year average.
0.09Rockville Centre, 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 Rockville Centre, 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 Rockville Centre, 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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