Weather in New Castle, DE
New Castle, Sunday, 18 October, 21:39
Clear. Feels like 45°. High 61°, low 38°.
Monthly outlook for New Castle, DE: average high 63.8°, average low 47.8°. That is 1.1° above the climate normal for October. Precipitation is expected on 1 day (about 0.1 inches), against a normal of 4 days and 2.0 inches. The warmest day looks like 1 November (76.7°), the coolest 18 October (37.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 62.4° | 62.5° | -0.1° |
| 28 October – 6 November | 66° | 59.6° | +3.5° |
| 7 November – 16 November | at normal | 54.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Elsmere (5 mi).
0
New Castle, Monday, 19 October
Clear. High 65°, low 40°.
0New Castle, Tuesday, 20 October
Clear. High 67°, low 44°.
0New Castle, Wednesday, 21 October
Clear. High 60°, low 45°.
0New Castle, Thursday, 22 October
Clear. High 63°, low 44°.
0New Castle, Friday, 23 October
Clear. High 55°, low 42°.
0New Castle, Saturday, 24 October
Clear. High 58°, low 40°.
0
New Castle, Sunday, 25 October
Mostly clear. High 62°, low 45°.
0New Castle, Monday, 26 October
Clear. High 66°, low 50°.
0
New Castle, Tuesday, 27 October
Overcast. High 68°, low 51°.
0New Castle, Wednesday, 28 October
Overcast. High 68°, low 56°.
0.02
New Castle, Thursday, 29 October
Light rain. High 62°, low 54°.
0
New Castle, Friday, 30 October
Partly cloudy. High 65°, low 53°.
0.06New Castle, Saturday, 31 October
Light rain. High 65°, low 52°.
0.02New Castle, Sunday, 1 November
Light rain. High 77°, low 62°.
0New Castle, Monday, 2 November
Overcast. High 59°, low 49°.
0.08New Castle, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.07New Castle, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.11New Castle, Thursday, 5 November
Climate normal for this date — 60-year average.
0.08New Castle, Friday, 6 November
Climate normal for this date — 60-year average.
0.09New Castle, Saturday, 7 November
Climate normal for this date — 60-year average.
0.11New Castle, Sunday, 8 November
Climate normal for this date — 60-year average.
0.09New Castle, Monday, 9 November
Climate normal for this date — 60-year average.
0.16
New Castle, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.13New Castle, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.21New Castle, Thursday, 12 November
Climate normal for this date — 60-year average.
0.13New Castle, Friday, 13 November
Climate normal for this date — 60-year average.
0.07New Castle, Saturday, 14 November
Climate normal for this date — 60-year average.
0.11New Castle, Sunday, 15 November
Climate normal for this date — 60-year average.
0.13New Castle, Monday, 16 November
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, DE 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, DE 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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