Weather in Jefferson, NH
Jefferson, Saturday, 8 August, 23:33
Overcast. Feels like 63°. High 80°, low 64°.
Monthly outlook for Jefferson, NH: average high 72.7°, average low 54.5°. That is 0.3° above the climate normal for August. Precipitation is expected on 13 days (about 3.6 inches), against a normal of 7 days and 2.0 inches. The warmest day looks like 9 August (86.6°), the coolest 22 August (44.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 74.8° | 73.1° | +0.9° |
| 18 August – 27 August | 69.3° | 70.9° | -0.9° |
| 28 August – 6 September | at normal | 69.3° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Berlin (12 mi).
0.06
Jefferson, Sunday, 9 August
Light rain. High 87°, low 63°.
0.33Jefferson, Monday, 10 August
Rain. High 82°, low 62°.
0.21Jefferson, Tuesday, 11 August
Rain. High 77°, low 59°.
0.61Jefferson, Wednesday, 12 August
Heavy rain. High 74°, low 59°.
0.44Jefferson, Thursday, 13 August
Rain. High 71°, low 54°.
0.07Jefferson, Friday, 14 August
Light rain. High 64°, low 47°.
0.04Jefferson, Saturday, 15 August
Light rain. High 66°, low 50°.
0
Jefferson, Sunday, 16 August
Clear. High 72°, low 48°.
0Jefferson, Monday, 17 August
Overcast. High 75°, low 51°.
0.22Jefferson, Tuesday, 18 August
Light rain. High 70°, low 57°.
0.07Jefferson, Wednesday, 19 August
Light rain. High 75°, low 59°.
0.82Jefferson, Thursday, 20 August
Rain. High 68°, low 58°.
0.25Jefferson, Friday, 21 August
Light rain. High 58°, low 50°.
0Jefferson, Saturday, 22 August
Clear. High 67°, low 45°.
0.05Jefferson, Sunday, 23 August
Light rain. High 77°, low 48°.
0.1
Jefferson, Monday, 24 August
Climate normal for this date — 60-year average.
0.13Jefferson, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.05Jefferson, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.09Jefferson, Thursday, 27 August
Climate normal for this date — 60-year average.
0.17Jefferson, Friday, 28 August
Climate normal for this date — 60-year average.
0.15Jefferson, Saturday, 29 August
Climate normal for this date — 60-year average.
0.1Jefferson, Sunday, 30 August
Climate normal for this date — 60-year average.
0.11Jefferson, Monday, 31 August
Climate normal for this date — 60-year average.
0.07
Jefferson, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.09Jefferson, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.14Jefferson, Thursday, 3 September
Climate normal for this date — 60-year average.
0.1Jefferson, Friday, 4 September
Climate normal for this date — 60-year average.
0.09Jefferson, Saturday, 5 September
Climate normal for this date — 60-year average.
0.13Jefferson, 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 Jefferson, 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 Jefferson, 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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