Weather in Cousins Island, ME
Cousins Island, Sunday, 9 August, 11:01
Clear. Feels like 87°. High 87°, low 68°.
Monthly outlook for Cousins Island, ME: average high 76.3°, average low 63.2°. That is 1.1° above the climate normal for August. Precipitation is expected on 7 days (about 2.0 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 9 August (86.8°), the coolest 24 August (58.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 77.6° | 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 (9 mi).
0.05
Cousins Island, Monday, 10 August
Light rain. High 79°, low 70°.
0.02Cousins Island, Tuesday, 11 August
Light rain. High 80°, low 64°.
0.06Cousins Island, Wednesday, 12 August
Light rain. High 79°, low 64°.
0.21Cousins Island, Thursday, 13 August
Light rain. High 78°, low 63°.
0
Cousins Island, Friday, 14 August
Overcast. High 74°, low 59°.
0Cousins Island, Saturday, 15 August
Clear. High 76°, low 61°.
0Cousins Island, Sunday, 16 August
Clear. High 77°, low 59°.
0.06Cousins Island, Monday, 17 August
Light rain. High 70°, low 62°.
0.08Cousins Island, Tuesday, 18 August
Light rain. High 74°, low 61°.
0Cousins Island, Wednesday, 19 August
Overcast. High 70°, low 61°.
0.15Cousins Island, Thursday, 20 August
Light rain. High 73°, low 65°.
0Cousins Island, Friday, 21 August
Overcast. High 74°, low 64°.
0
Cousins Island, Saturday, 22 August
Mostly clear. High 77°, low 66°.
1.34Cousins Island, Sunday, 23 August
Heavy rain. High 79°, low 67°.
0Cousins Island, Monday, 24 August
Clear. High 73°, low 58°.
0.11
Cousins Island, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.04Cousins Island, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.05Cousins Island, Thursday, 27 August
Climate normal for this date — 60-year average.
0.14Cousins Island, Friday, 28 August
Climate normal for this date — 60-year average.
0.15Cousins Island, Saturday, 29 August
Climate normal for this date — 60-year average.
0.14Cousins Island, Sunday, 30 August
Climate normal for this date — 60-year average.
0.09Cousins Island, Monday, 31 August
Climate normal for this date — 60-year average.
0.03Cousins Island, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.11Cousins Island, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.11Cousins Island, Thursday, 3 September
Climate normal for this date — 60-year average.
0.14
Cousins Island, Friday, 4 September
Climate normal for this date — 60-year average.
0.08Cousins Island, Saturday, 5 September
Climate normal for this date — 60-year average.
0.12Cousins Island, Sunday, 6 September
Climate normal for this date — 60-year average.
0.17Cousins Island, 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 Cousins Island, 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 Cousins Island, 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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