Weather in Londonderry, NH
Londonderry, Monday, 26 October, 01:02
Clear. Feels like 41°. High 69°, low 35°.
Monthly outlook for Londonderry, NH: average high 53.2°, average low 34.9°. That is 0.1° above the climate normal for October. Precipitation is expected on 4 days (about 2.0 inches), against a normal of 5 days and 2.0 inches. The warmest day looks like 26 October (69.2°), the coolest 5 November (29.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 26 October – 4 November | 57.3° | 54.2° | +1.7° |
| 5 November – 14 November | 46.4° | 49.6° | -1.8° |
| 15 November – 24 November | at normal | 44.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Manchester (8 mi).
0
Londonderry, Tuesday, 27 October
Mostly clear. High 53°, low 32°.
0
Londonderry, Wednesday, 28 October
Partly cloudy. High 54°, low 30°.
0
Londonderry, Thursday, 29 October
Overcast. High 62°, low 40°.
0.09
Londonderry, Friday, 30 October
Light rain. High 67°, low 49°.
0Londonderry, Saturday, 31 October
Overcast. High 57°, low 39°.
0Londonderry, Sunday, 1 November
Mostly clear. High 61°, low 37°.
0.16Londonderry, Monday, 2 November
Rain. High 56°, low 42°.
1.48Londonderry, Tuesday, 3 November
Heavy rain. High 50°, low 38°.
0Londonderry, Wednesday, 4 November
Overcast. High 44°, low 32°.
0
Londonderry, Thursday, 5 November
Clear. High 45°, low 29°.
0Londonderry, Friday, 6 November
Overcast. High 47°, low 29°.
0Londonderry, Saturday, 7 November
Clear. High 51°, low 31°.
0.01Londonderry, Sunday, 8 November
Light rain. High 52°, low 33°.
0.27Londonderry, Monday, 9 November
Rain. High 44°, low 33°.
0.01
Londonderry, Tuesday, 10 November
Light snow. High 39°, low 30°.
0.13
Londonderry, 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.
0.07Londonderry, Tuesday, 24 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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