Weather in South Jefferson, ME
South Jefferson, Sunday, 9 August, 10:21
Clear. Feels like 79°. High 90°, low 67°.
Monthly outlook for South Jefferson, ME: average high 78.1°, average low 58.9°. That is 0.5° above the climate normal for August. Precipitation is expected on 6 days (about 2.4 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 9 August (90.1°), the coolest 24 August (53.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 79.4° | 78.1° | +0.7° |
| 19 August – 28 August | 76.1° | 76.1° | -0° |
| 29 August – 7 September | at normal | 73.7° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Augusta (15 mi).
0.01
South Jefferson, Monday, 10 August
Light rain. High 87°, low 66°.
0.03South Jefferson, Tuesday, 11 August
Light rain. High 83°, low 61°.
0.04South Jefferson, Wednesday, 12 August
Light rain. High 83°, low 58°.
0.33South Jefferson, Thursday, 13 August
Light rain. High 73°, low 60°.
0
South Jefferson, Friday, 14 August
Mostly clear. High 74°, low 54°.
0South Jefferson, Saturday, 15 August
Clear. High 77°, low 56°.
0South Jefferson, Sunday, 16 August
Clear. High 81°, low 53°.
0.01South Jefferson, Monday, 17 August
Light rain. High 74°, low 59°.
0.06South Jefferson, Tuesday, 18 August
Light rain. High 72°, low 55°.
0
South Jefferson, Wednesday, 19 August
Overcast. High 71°, low 54°.
0.08South Jefferson, Thursday, 20 August
Light rain. High 74°, low 60°.
0.02South Jefferson, Friday, 21 August
Light rain. High 77°, low 61°.
0
South Jefferson, Saturday, 22 August
Partly cloudy. High 82°, low 63°.
1.77South Jefferson, Sunday, 23 August
Heavy rain. High 76°, low 63°.
0South Jefferson, Monday, 24 August
Clear. High 75°, low 53°.
0.09
South Jefferson, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.04South Jefferson, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.04South Jefferson, Thursday, 27 August
Climate normal for this date — 60-year average.
0.1South Jefferson, Friday, 28 August
Climate normal for this date — 60-year average.
0.14South Jefferson, Saturday, 29 August
Climate normal for this date — 60-year average.
0.12South Jefferson, Sunday, 30 August
Climate normal for this date — 60-year average.
0.11South Jefferson, Monday, 31 August
Climate normal for this date — 60-year average.
0.04South Jefferson, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.13South Jefferson, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.09South Jefferson, Thursday, 3 September
Climate normal for this date — 60-year average.
0.16South Jefferson, Friday, 4 September
Climate normal for this date — 60-year average.
0.08South Jefferson, Saturday, 5 September
Climate normal for this date — 60-year average.
0.1South Jefferson, Sunday, 6 September
Climate normal for this date — 60-year average.
0.16South Jefferson, Monday, 7 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 South Jefferson, ME 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 South Jefferson, ME 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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