Weather in New Castle, NH
New Castle, Thursday, 15 October, 12:59
Mostly clear. Feels like 59°. High 61°, low 46°.
Monthly outlook for New Castle, NH: average high 54.9°, average low 39.8°. That is 0.5° below the climate normal for October. Precipitation is expected on 2 days (about 0.6 inches), against a normal of 5 days and 2.3 inches. The warmest day looks like 20 October (68.5°), the coolest 18 October (33.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 October – 24 October | 57.1° | 57° | +0.1° |
| 25 October – 3 November | 51.3° | 53.9° | -1.4° |
| 4 November – 13 November | at normal | 50.2° | — |
October records over 66 years
0.24
New Castle, Friday, 16 October
Rain. High 67°, low 43°.
0
New Castle, Saturday, 17 October
Partly cloudy. High 60°, low 39°.
0
New Castle, Sunday, 18 October
Clear. High 53°, low 33°.
0New Castle, Monday, 19 October
Clear. High 65°, low 40°.
0
New Castle, Tuesday, 20 October
Overcast. High 68°, low 43°.
0New Castle, Wednesday, 21 October
Overcast. High 53°, low 46°.
0New Castle, Thursday, 22 October
Mostly clear. High 49°, low 42°.
0.38New Castle, Friday, 23 October
Rain. High 49°, low 40°.
0New Castle, Saturday, 24 October
Mostly clear. High 46°, low 36°.
0New Castle, Sunday, 25 October
Mostly clear. High 47°, low 36°.
0New Castle, Monday, 26 October
Clear. High 59°, low 38°.
0New Castle, Tuesday, 27 October
Overcast. High 50°, low 39°.
0.01New Castle, Wednesday, 28 October
Light rain. High 55°, low 38°.
0New Castle, Thursday, 29 October
Overcast. High 46°, low 35°.
0.01New Castle, Friday, 30 October
Light rain. High 50°, low 43°.
0.11New Castle, Saturday, 31 October
Climate normal for this date — 60-year average.
0.11New Castle, Sunday, 1 November
Climate normal for this date — 60-year average.
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.
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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