New Castle, Sunday, 18 October, 15:39
Clear. Feels like 60°. High 62°, low 33°.
New Castle, Monday, 19 October
Clear. High 62°, low 39°.
New Castle, Tuesday, 20 October
Clear. High 64°, low 39°.
New Castle, Wednesday, 21 October
Clear. High 61°, low 36°.
New Castle, Thursday, 22 October
Overcast. High 63°, low 37°.
New Castle, Friday, 23 October
Clear. High 55°, low 39°.
New Castle, Saturday, 24 October
Overcast. High 59°, low 37°.
New Castle, Sunday, 25 October
Overcast. High 62°, low 43°.
New Castle, Monday, 26 October
Overcast. High 60°, low 45°.
New Castle, Tuesday, 27 October
Overcast. High 60°, low 51°.
New Castle, Wednesday, 28 October
Light rain. High 68°, low 49°.
New Castle, Thursday, 29 October
Rain. High 61°, low 56°.
New Castle, Friday, 30 October
Light rain. High 68°, low 58°.
New Castle, Saturday, 31 October
Rain. High 66°, low 57°.
New Castle, Sunday, 1 November
Light rain. High 56°, low 44°.
New Castle, Monday, 2 November
Clear. High 55°, low 38°.
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, PA are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
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.
They are real temperature extremes recorded in New Castle, PA since 1960: the highest and lowest reading for each calendar date, with the year it happened.
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.