Weather in Grand Beach, ME
Grand Beach, Sunday, 9 August, 02:18
Partly cloudy. Feels like 70°. High 93°, low 69°.
Monthly outlook for Grand Beach, ME: average high 76.3°, average low 61.6°. That is 1.1° above the climate normal for August. Precipitation is expected on 5 days (about 1.3 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 9 August (92.9°), the coolest 22 August (55.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 77.5° | 75° | +1.4° |
| 19 August – 28 August | 74.3° | 73.4° | +0.5° |
| 29 August – 7 September | at normal | 71.6° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Portland (10 mi).
0.09
Grand Beach, Monday, 10 August
Light rain. High 85°, low 66°.
0.02Grand Beach, Tuesday, 11 August
Light rain. High 81°, low 64°.
0
Grand Beach, Wednesday, 12 August
Partly cloudy. High 77°, low 64°.
0.06Grand Beach, Thursday, 13 August
Light rain. High 77°, low 62°.
0
Grand Beach, Friday, 14 August
Clear. High 72°, low 59°.
0
Grand Beach, Saturday, 15 August
Overcast. High 73°, low 60°.
0Grand Beach, Sunday, 16 August
Clear. High 71°, low 59°.
0Grand Beach, Monday, 17 August
Light rain. High 73°, low 59°.
0.02Grand Beach, Tuesday, 18 August
Light rain. High 73°, low 64°.
0Grand Beach, Wednesday, 19 August
Overcast. High 73°, low 62°.
0.8Grand Beach, Thursday, 20 August
Rain. High 69°, low 64°.
0
Grand Beach, Friday, 21 August
Mostly clear. High 73°, low 58°.
0Grand Beach, Saturday, 22 August
Clear. High 75°, low 55°.
0.02Grand Beach, Sunday, 23 August
Light rain. High 74°, low 55°.
0.2Grand Beach, Monday, 24 August
Light rain. High 82°, low 65°.
0.11Grand Beach, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.04Grand Beach, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.05Grand Beach, Thursday, 27 August
Climate normal for this date — 60-year average.
0.14Grand Beach, Friday, 28 August
Climate normal for this date — 60-year average.
0.15Grand Beach, Saturday, 29 August
Climate normal for this date — 60-year average.
0.14Grand Beach, Sunday, 30 August
Climate normal for this date — 60-year average.
0.09Grand Beach, Monday, 31 August
Climate normal for this date — 60-year average.
0.03Grand Beach, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.11Grand Beach, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.11Grand Beach, Thursday, 3 September
Climate normal for this date — 60-year average.
0.14
Grand Beach, Friday, 4 September
Climate normal for this date — 60-year average.
0.08Grand Beach, Saturday, 5 September
Climate normal for this date — 60-year average.
0.12Grand Beach, Sunday, 6 September
Climate normal for this date — 60-year average.
0.17Grand Beach, 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 Grand Beach, 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 Grand Beach, 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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