Weather in New Castle, NH
New Castle, Wednesday, 21 October, 02:08
Clear. Feels like 44°. High 59°, low 36°.
Monthly outlook for New Castle, NH: average high 54.2°, average low 38.2°. That is 0.1° below the climate normal for October. Precipitation is expected on 1 day (about 1.1 inches), against a normal of 5 days and 2.3 inches. The warmest day looks like 22 October (65.4°), the coolest 5 November (32.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 56.7° | 55° | +0.9° |
| 31 October – 9 November | 50.1° | 52.2° | -1.2° |
| 10 November – 19 November | at normal | 47.4° | — |
October records over 66 years
0
New Castle, Thursday, 22 October
Overcast. High 65°, low 36°.
0
New Castle, Friday, 23 October
Mostly clear. High 53°, low 40°.
0
New Castle, Saturday, 24 October
Clear. High 55°, low 34°.
0New Castle, Sunday, 25 October
Clear. High 63°, low 36°.
0New Castle, Monday, 26 October
Clear. High 63°, low 39°.
0New Castle, Tuesday, 27 October
Overcast. High 61°, low 50°.
0.03
New Castle, Wednesday, 28 October
Light rain. High 47°, low 41°.
0New Castle, Thursday, 29 October
Overcast. High 47°, low 36°.
0.02New Castle, Friday, 30 October
Light rain. High 54°, low 42°.
0New Castle, Saturday, 31 October
Clear. High 48°, low 35°.
0New Castle, Sunday, 1 November
Overcast. High 55°, low 36°.
1.06New Castle, Monday, 2 November
Rain. High 61°, low 49°.
0New Castle, Tuesday, 3 November
Clear. High 49°, low 37°.
0New Castle, Wednesday, 4 November
Clear. High 44°, low 32°.
0New Castle, Thursday, 5 November
Clear. High 44°, low 32°.
0.13
New Castle, Friday, 6 November
Climate normal for this date — 60-year average.
0.05
New 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.
0.16New Castle, Monday, 16 November
Climate normal for this date — 60-year average.
0.15New Castle, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.08New Castle, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.07New Castle, Thursday, 19 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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