Weather in West Derry, NH
West Derry, Saturday, 8 August, 21:45
Mostly clear. Feels like 76°. High 86°, low 71°.
Monthly outlook for West Derry, NH: average high 79.3°, average low 59.4°. That is 0.3° below the climate normal for August. Precipitation is expected on 6 days (about 1.4 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 9 August (91.7°), the coolest 22 August (51.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 81.7° | 80.7° | +0.6° |
| 18 August – 27 August | 75.4° | 78.8° | -1.9° |
| 28 August – 6 September | at normal | 77° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Lawrence (15 mi).
0
West Derry, Sunday, 9 August
Clear. High 92°, low 70°.
0.05
West Derry, Monday, 10 August
Rain. High 89°, low 65°.
0.07West Derry, Tuesday, 11 August
Light rain. High 86°, low 65°.
0.33West Derry, Wednesday, 12 August
Rain. High 71°, low 60°.
0.02West Derry, Thursday, 13 August
Light rain. High 79°, low 59°.
0West Derry, Friday, 14 August
Clear. High 75°, low 56°.
0West Derry, Saturday, 15 August
Clear. High 78°, low 55°.
0West Derry, Sunday, 16 August
Clear. High 79°, low 54°.
0
West Derry, Monday, 17 August
Overcast. High 82°, low 53°.
0.42West Derry, Tuesday, 18 August
Rain. High 73°, low 62°.
0West Derry, Wednesday, 19 August
Overcast. High 80°, low 58°.
0.47West Derry, Thursday, 20 August
Rain. High 73°, low 61°.
0
West Derry, Friday, 21 August
Partly cloudy. High 69°, low 57°.
0West Derry, Saturday, 22 August
Clear. High 76°, low 52°.
0.01West Derry, Sunday, 23 August
Light rain. High 82°, low 53°.
0.08West Derry, Monday, 24 August
Climate normal for this date — 60-year average.
0.12West Derry, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.04West Derry, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.08
West Derry, Thursday, 27 August
Climate normal for this date — 60-year average.
0.12West Derry, Friday, 28 August
Climate normal for this date — 60-year average.
0.15West Derry, Saturday, 29 August
Climate normal for this date — 60-year average.
0.11West Derry, Sunday, 30 August
Climate normal for this date — 60-year average.
0.09West Derry, Monday, 31 August
Climate normal for this date — 60-year average.
0.05West Derry, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.14West Derry, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.11West Derry, Thursday, 3 September
Climate normal for this date — 60-year average.
0.11West Derry, Friday, 4 September
Climate normal for this date — 60-year average.
0.08West Derry, Saturday, 5 September
Climate normal for this date — 60-year average.
0.13West Derry, Sunday, 6 September
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 West Derry, 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 West Derry, 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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