Weather in Alton, NH
Alton, Wednesday, 21 October, 02:12
Clear. Feels like 36°. High 57°, low 33°.
Monthly outlook for Alton, NH: average high 53.5°, average low 34.9°. That is 2° above the climate normal for October. Precipitation is expected on 1 day (about 0.8 inches), against a normal of 5 days and 2.2 inches. The warmest day looks like 26 October (64°), the coolest 5 November (28°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 56.6° | 50.9° | +3.2° |
| 31 October – 9 November | 48.3° | 47.4° | +0.5° |
| 10 November – 19 November | at normal | 42.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Gilford (8 mi).
0
Alton, Thursday, 22 October
Overcast. High 62°, low 32°.
0
Alton, Friday, 23 October
Clear. High 52°, low 40°.
0Alton, Saturday, 24 October
Clear. High 56°, low 36°.
0Alton, Sunday, 25 October
Clear. High 63°, low 41°.
0Alton, Monday, 26 October
Clear. High 64°, low 44°.
0Alton, Tuesday, 27 October
Overcast. High 64°, low 44°.
0
Alton, Wednesday, 28 October
Partly cloudy. High 48°, low 31°.
0Alton, Thursday, 29 October
Overcast. High 48°, low 29°.
0Alton, Friday, 30 October
Overcast. High 52°, low 37°.
0Alton, Saturday, 31 October
Clear. High 46°, low 30°.
0Alton, Sunday, 1 November
Overcast. High 55°, low 29°.
0.8
Alton, Monday, 2 November
Rain. High 60°, low 43°.
0Alton, Tuesday, 3 November
Clear. High 45°, low 33°.
0Alton, Wednesday, 4 November
Clear. High 41°, low 29°.
0Alton, Thursday, 5 November
Clear. High 42°, low 28°.
0.13
Alton, Friday, 6 November
Climate normal for this date — 60-year average.
0.06Alton, Saturday, 7 November
Climate normal for this date — 60-year average.
0.09Alton, Sunday, 8 November
Climate normal for this date — 60-year average.
0.1Alton, Monday, 9 November
Climate normal for this date — 60-year average.
0.16Alton, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.14Alton, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.15Alton, Thursday, 12 November
Climate normal for this date — 60-year average.
0.17Alton, Friday, 13 November
Climate normal for this date — 60-year average.
0.1Alton, Saturday, 14 November
Climate normal for this date — 60-year average.
0.13Alton, Sunday, 15 November
Climate normal for this date — 60-year average.
0.15Alton, Monday, 16 November
Climate normal for this date — 60-year average.
0.14Alton, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.09Alton, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.07Alton, 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 Alton, 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 Alton, 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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