Weather in Stone Mills, NY
Stone Mills, Sunday, 9 August, 02:00
Mostly clear. Feels like 74°. High 84°, low 67°.
Monthly outlook for Stone Mills, NY: average high 74.8°, average low 58.3°. That is 0.2° below the climate normal for August. Precipitation is expected on 8 days (about 3.3 inches), against a normal of 6 days and 2.0 inches. The warmest day looks like 9 August (83.9°), the coolest 22 August (47.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 76.1° | 76° | +0.1° |
| 19 August – 28 August | 72.5° | 74.1° | -0.9° |
| 29 August – 7 September | at normal | 72.8° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Philadelphia (13 mi).
0.21
Stone Mills, Monday, 10 August
Rain. High 79°, low 65°.
0
Stone Mills, Tuesday, 11 August
Mostly clear. High 78°, low 63°.
0.1Stone Mills, Wednesday, 12 August
Light rain. High 74°, low 60°.
0.06Stone Mills, Thursday, 13 August
Light rain. High 70°, low 59°.
0.07Stone Mills, Friday, 14 August
Light rain. High 71°, low 53°.
0
Stone Mills, Saturday, 15 August
Clear. High 73°, low 54°.
0Stone Mills, Sunday, 16 August
Clear. High 73°, low 51°.
0
Stone Mills, Monday, 17 August
Overcast. High 78°, low 57°.
0Stone Mills, Tuesday, 18 August
Overcast. High 79°, low 62°.
1.5Stone Mills, Wednesday, 19 August
Heavy rain. High 81°, low 64°.
0.89Stone Mills, Thursday, 20 August
Heavy rain. High 67°, low 58°.
0.01Stone Mills, Friday, 21 August
Light rain. High 72°, low 55°.
0Stone Mills, Saturday, 22 August
Clear. High 68°, low 47°.
0.41Stone Mills, Sunday, 23 August
Rain. High 79°, low 55°.
0.04Stone Mills, Monday, 24 August
Light rain. High 69°, low 64°.
0.09
Stone Mills, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.07
Stone Mills, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.11Stone Mills, Thursday, 27 August
Climate normal for this date — 60-year average.
0.14Stone Mills, Friday, 28 August
Climate normal for this date — 60-year average.
0.13Stone Mills, Saturday, 29 August
Climate normal for this date — 60-year average.
0.12Stone Mills, Sunday, 30 August
Climate normal for this date — 60-year average.
0.17Stone Mills, Monday, 31 August
Climate normal for this date — 60-year average.
0.06Stone Mills, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.13Stone Mills, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.16Stone Mills, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Stone Mills, Friday, 4 September
Climate normal for this date — 60-year average.
0.07Stone Mills, Saturday, 5 September
Climate normal for this date — 60-year average.
0.13Stone Mills, Sunday, 6 September
Climate normal for this date — 60-year average.
0.08Stone Mills, 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 Stone Mills, 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 Stone Mills, 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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