Weather in Mount Vernon, ME
Mount Vernon, Sunday, 9 August, 00:19
Overcast. Feels like 71°. High 86°, low 67°.
Monthly outlook for Mount Vernon, ME: average high 75.2°, average low 57.2°. That is 1.2° below the climate normal for August. Precipitation is expected on 7 days (about 2.0 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 9 August (86.3°), the coolest 23 August (47.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 76.2° | 78.1° | -1° |
| 19 August – 28 August | 73.3° | 76.1° | -1.6° |
| 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 (14 mi).
0.2
Mount Vernon, Monday, 10 August
Rain. High 83°, low 64°.
0.14Mount Vernon, Tuesday, 11 August
Rain. High 82°, low 60°.
0.02Mount Vernon, Wednesday, 12 August
Light rain. High 76°, low 58°.
0.34Mount Vernon, Thursday, 13 August
Rain. High 74°, low 59°.
0
Mount Vernon, Friday, 14 August
Mostly clear. High 69°, low 50°.
0
Mount Vernon, Saturday, 15 August
Partly cloudy. High 70°, low 57°.
0
Mount Vernon, Sunday, 16 August
Clear. High 70°, low 51°.
0Mount Vernon, Monday, 17 August
Partly cloudy. High 78°, low 54°.
0.06Mount Vernon, Tuesday, 18 August
Light rain. High 73°, low 56°.
0Mount Vernon, Wednesday, 19 August
Overcast. High 78°, low 58°.
1.03Mount Vernon, Thursday, 20 August
Rain. High 67°, low 62°.
0.06Mount Vernon, Friday, 21 August
Light rain. High 69°, low 59°.
0Mount Vernon, Saturday, 22 August
Clear. High 72°, low 49°.
0Mount Vernon, Sunday, 23 August
Overcast. High 77°, low 47°.
0.2Mount Vernon, Monday, 24 August
Light rain. High 78°, low 62°.
0.09
Mount Vernon, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.04Mount Vernon, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.04Mount Vernon, Thursday, 27 August
Climate normal for this date — 60-year average.
0.1Mount Vernon, Friday, 28 August
Climate normal for this date — 60-year average.
0.14Mount Vernon, Saturday, 29 August
Climate normal for this date — 60-year average.
0.12Mount Vernon, Sunday, 30 August
Climate normal for this date — 60-year average.
0.11Mount Vernon, Monday, 31 August
Climate normal for this date — 60-year average.
0.04Mount Vernon, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.13Mount Vernon, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.09Mount Vernon, Thursday, 3 September
Climate normal for this date — 60-year average.
0.16Mount Vernon, Friday, 4 September
Climate normal for this date — 60-year average.
0.08Mount Vernon, Saturday, 5 September
Climate normal for this date — 60-year average.
0.1Mount Vernon, Sunday, 6 September
Climate normal for this date — 60-year average.
0.16Mount Vernon, 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 Mount Vernon, 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 Mount Vernon, 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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