Weather in New Castle, NH
New Castle, Saturday, 17 October, 01:57
Partly cloudy. Feels like 50°. High 53°, low 33°.
Monthly outlook for New Castle, NH: average high 55°, average low 42.7°. That is 0.1° below the climate normal for October. Precipitation is expected on 3 days (about 1.9 inches), against a normal of 5 days and 2.2 inches. The warmest day looks like 20 October (62.2°), the coolest 18 October (32.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 55.3° | 56.3° | -0.5° |
| 27 October – 5 November | 54.5° | 53.3° | +0.7° |
| 6 November – 15 November | at normal | 49.1° | — |
October records over 66 years
0
New Castle, Sunday, 18 October
Clear. High 54°, low 33°.
0
New Castle, Monday, 19 October
Partly cloudy. High 58°, low 38°.
0
New Castle, Tuesday, 20 October
Overcast. High 62°, low 42°.
0New Castle, Wednesday, 21 October
Clear. High 55°, low 43°.
0New Castle, Thursday, 22 October
Clear. High 55°, low 40°.
0New Castle, Friday, 23 October
Clear. High 55°, low 41°.
0New Castle, Saturday, 24 October
Clear. High 52°, low 42°.
0New Castle, Sunday, 25 October
Overcast. High 56°, low 44°.
0New Castle, Monday, 26 October
Clear. High 53°, low 43°.
0New Castle, Tuesday, 27 October
Overcast. High 54°, low 38°.
0.03
New Castle, Wednesday, 28 October
Light rain. High 54°, low 45°.
0New Castle, Thursday, 29 October
Overcast. High 55°, low 48°.
0.41New Castle, Friday, 30 October
Rain. High 53°, low 46°.
0.94New Castle, Saturday, 31 October
Rain. High 56°, low 53°.
0.49New Castle, Sunday, 1 November
Rain. High 55°, low 55°.
0.14New Castle, Monday, 2 November
Climate normal for this date — 60-year average.
0.22
New Castle, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.08New Castle, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.19New Castle, Thursday, 5 November
Climate normal for this date — 60-year average.
0.13New Castle, Friday, 6 November
Climate normal for this date — 60-year average.
0.05New Castle, Saturday, 7 November
Climate normal for this date — 60-year average.
0.1New Castle, Sunday, 8 November
Climate normal for this date — 60-year average.
0.13New Castle, Monday, 9 November
Climate normal for this date — 60-year average.
0.16New 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.
0.13New Castle, Thursday, 12 November
Climate normal for this date — 60-year average.
0.17New Castle, Friday, 13 November
Climate normal for this date — 60-year average.
0.12New Castle, Saturday, 14 November
Climate normal for this date — 60-year average.
0.13New Castle, Sunday, 15 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, NH 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, NH 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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