Weather in Londonderry, NH
Londonderry, Sunday, 25 October, 07:15
Clear. Feels like 32°. High 67°, low 33°.
Monthly outlook for Londonderry, NH: average high 59.6°, average low 40.7°. That is 3.4° above the climate normal for October. Precipitation is expected on 4 days (about 3.7 inches), against a normal of 5 days and 2.0 inches. The warmest day looks like 4 November (71°), the coolest 28 October (29°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 25 October – 3 November | 62.8° | 54.5° | +4.6° |
| 4 November – 13 November | 54.1° | 50.3° | +2.1° |
| 14 November – 23 November | at normal | 45.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Manchester (8 mi).
0
Londonderry, Monday, 26 October
Mostly clear. High 69°, low 35°.
0Londonderry, Tuesday, 27 October
Mostly clear. High 52°, low 35°.
0Londonderry, Wednesday, 28 October
Clear. High 50°, low 29°.
0Londonderry, Thursday, 29 October
Clear. High 63°, low 37°.
0.07
Londonderry, Friday, 30 October
Light rain. High 69°, low 49°.
0Londonderry, Saturday, 31 October
Clear. High 60°, low 44°.
0
Londonderry, Sunday, 1 November
Overcast. High 60°, low 42°.
0
Londonderry, Monday, 2 November
Partly cloudy. High 69°, low 48°.
0Londonderry, Tuesday, 3 November
Partly cloudy. High 70°, low 50°.
0Londonderry, Wednesday, 4 November
Partly cloudy. High 71°, low 51°.
2.52Londonderry, Thursday, 5 November
Heavy rain. High 49°, low 37°.
0.25Londonderry, Friday, 6 November
Rain. High 42°, low 39°.
0.01Londonderry, Saturday, 7 November
Light rain. High 56°, low 39°.
0.83Londonderry, Sunday, 8 November
Rain. High 55°, low 42°.
0Londonderry, Monday, 9 November
Overcast. High 51°, low 40°.
0.16
Londonderry, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.13Londonderry, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.12Londonderry, Thursday, 12 November
Climate normal for this date — 60-year average.
0.15Londonderry, Friday, 13 November
Climate normal for this date — 60-year average.
0.11Londonderry, Saturday, 14 November
Climate normal for this date — 60-year average.
0.13Londonderry, Sunday, 15 November
Climate normal for this date — 60-year average.
0.14Londonderry, Monday, 16 November
Climate normal for this date — 60-year average.
0.13Londonderry, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.08Londonderry, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.06Londonderry, Thursday, 19 November
Climate normal for this date — 60-year average.
0.14Londonderry, Friday, 20 November
Climate normal for this date — 60-year average.
0.12Londonderry, Saturday, 21 November
Climate normal for this date — 60-year average.
0.14Londonderry, Sunday, 22 November
Climate normal for this date — 60-year average.
0.13Londonderry, Monday, 23 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 Londonderry, 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 Londonderry, 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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