Weather in New Castle, NY
New Castle, Sunday, 9 August, 00:44
Clear. Feels like 76°. High 89°, low 71°.
Monthly outlook for New Castle, NY: average high 80.5°, average low 62.7°. That is 0.1° below the climate normal for August. Precipitation is expected on 5 days (about 1.6 inches), against a normal of 6 days and 2.2 inches. The warmest day looks like 10 August (89.4°), the coolest 22 August (54°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 81.6° | 81.5° | +0.1° |
| 19 August – 28 August | 78.7° | 79.8° | -0.6° |
| 29 August – 7 September | at normal | 78.2° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Byram (14 mi).
0
New Castle, Monday, 10 August
Mostly clear. High 89°, low 70°.
0
New Castle, Tuesday, 11 August
Partly cloudy. High 89°, low 71°.
0.26
New Castle, Wednesday, 12 August
Rain. High 78°, low 67°.
0.09New Castle, Thursday, 13 August
Light rain. High 83°, low 63°.
0
New Castle, Friday, 14 August
Clear. High 76°, low 57°.
0New Castle, Saturday, 15 August
Clear. High 79°, low 56°.
0
New Castle, Sunday, 16 August
Overcast. High 78°, low 55°.
0.13New Castle, Monday, 17 August
Light rain. High 82°, low 60°.
0.07New Castle, Tuesday, 18 August
Light rain. High 73°, low 65°.
0.01New Castle, Wednesday, 19 August
Light rain. High 77°, low 66°.
1.03New Castle, Thursday, 20 August
Heavy rain. High 82°, low 63°.
0New Castle, Friday, 21 August
Overcast. High 76°, low 59°.
0New Castle, Saturday, 22 August
Clear. High 77°, low 54°.
0New Castle, Sunday, 23 August
Overcast. High 76°, low 58°.
0.02New Castle, Monday, 24 August
Light rain. High 84°, low 69°.
0.08New Castle, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.06New Castle, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.16
New Castle, Thursday, 27 August
Climate normal for this date — 60-year average.
0.21New Castle, Friday, 28 August
Climate normal for this date — 60-year average.
0.14New Castle, Saturday, 29 August
Climate normal for this date — 60-year average.
0.08New Castle, Sunday, 30 August
Climate normal for this date — 60-year average.
0.05New Castle, Monday, 31 August
Climate normal for this date — 60-year average.
0.09New Castle, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.18New Castle, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.11New Castle, Thursday, 3 September
Climate normal for this date — 60-year average.
0.12New Castle, Friday, 4 September
Climate normal for this date — 60-year average.
0.06New Castle, Saturday, 5 September
Climate normal for this date — 60-year average.
0.2New Castle, Sunday, 6 September
Climate normal for this date — 60-year average.
0.1New Castle, 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 New Castle, 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 New Castle, 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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