Weather in Merrimack, NH
Merrimack, Monday, 26 October, 10:53
Mostly clear. Feels like 57°. High 68°, low 34°.
Monthly outlook for Merrimack, NH: average high 55.7°, average low 41.3°. That is 1.5° above the climate normal for October. Precipitation is expected on 6 days (about 3.6 inches), against a normal of 5 days and 2.0 inches. The warmest day looks like 30 October (68.9°), the coolest 28 October (26.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 26 October – 4 November | 59.2° | 54.3° | +2.7° |
| 5 November – 14 November | 50° | 49.6° | +0.2° |
| 15 November – 24 November | at normal | 44.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Bedford (6 mi).
0
Merrimack, Tuesday, 27 October
Clear. High 53°, low 30°.
0
Merrimack, Wednesday, 28 October
Overcast. High 56°, low 27°.
0Merrimack, Thursday, 29 October
Clear. High 66°, low 40°.
0.01
Merrimack, Friday, 30 October
Light rain. High 69°, low 51°.
0
Merrimack, Saturday, 31 October
Partly cloudy. High 60°, low 41°.
0Merrimack, Sunday, 1 November
Overcast. High 60°, low 38°.
0.06Merrimack, Monday, 2 November
Light rain. High 55°, low 51°.
0Merrimack, Tuesday, 3 November
Overcast. High 54°, low 51°.
0.56Merrimack, Wednesday, 4 November
Rain. High 51°, low 49°.
1.56Merrimack, Thursday, 5 November
Heavy rain. High 51°, low 46°.
0Merrimack, Friday, 6 November
Clear. High 59°, low 45°.
0.42Merrimack, Saturday, 7 November
Rain. High 50°, low 48°.
0.93Merrimack, Sunday, 8 November
Rain. High 48°, low 37°.
0.07Merrimack, Monday, 9 November
Light rain. High 45°, low 36°.
0Merrimack, Tuesday, 10 November
Mostly clear. High 47°, low 34°.
0.12
Merrimack, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.13Merrimack, Thursday, 12 November
Climate normal for this date — 60-year average.
0.15Merrimack, Friday, 13 November
Climate normal for this date — 60-year average.
0.11Merrimack, Saturday, 14 November
Climate normal for this date — 60-year average.
0.13Merrimack, Sunday, 15 November
Climate normal for this date — 60-year average.
0.15Merrimack, Monday, 16 November
Climate normal for this date — 60-year average.
0.13Merrimack, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.08Merrimack, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.06Merrimack, Thursday, 19 November
Climate normal for this date — 60-year average.
0.14Merrimack, Friday, 20 November
Climate normal for this date — 60-year average.
0.12Merrimack, Saturday, 21 November
Climate normal for this date — 60-year average.
0.14Merrimack, Sunday, 22 November
Climate normal for this date — 60-year average.
0.13Merrimack, Monday, 23 November
Climate normal for this date — 60-year average.
0.07Merrimack, 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 Merrimack, 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 Merrimack, 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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