Weather in South Windham, ME
South Windham, Sunday, 9 August, 00:48
Partly cloudy. Feels like 69°. High 91°, low 68°.
Monthly outlook for South Windham, ME: average high 79.3°, average low 58.9°. That is 2.7° above the climate normal for August. Precipitation is expected on 4 days (about 1.4 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 9 August (91.3°), the coolest 23 August (51.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 80.2° | 75° | +2.9° |
| 19 August – 28 August | 77.7° | 73.4° | +2.4° |
| 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
South Windham, Monday, 10 August
Overcast. High 86°, low 66°.
0.04
South Windham, Tuesday, 11 August
Light rain. High 86°, low 62°.
0.28South Windham, Wednesday, 12 August
Rain. High 74°, low 59°.
0.09South Windham, Thursday, 13 August
Light rain. High 80°, low 59°.
0
South Windham, Friday, 14 August
Clear. High 71°, low 54°.
0South Windham, Saturday, 15 August
Clear. High 77°, low 54°.
0South Windham, Sunday, 16 August
Clear. High 77°, low 55°.
0South Windham, Monday, 17 August
Overcast. High 81°, low 56°.
0.03South Windham, Tuesday, 18 August
Light rain. High 78°, low 61°.
0South Windham, Wednesday, 19 August
Overcast. High 81°, low 61°.
0.72South Windham, Thursday, 20 August
Rain. High 70°, low 62°.
0
South Windham, Friday, 21 August
Mostly clear. High 74°, low 56°.
0South Windham, Saturday, 22 August
Clear. High 76°, low 52°.
0South Windham, Sunday, 23 August
Overcast. High 82°, low 52°.
0.19South Windham, Monday, 24 August
Light rain. High 83°, low 64°.
0.11
South Windham, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.04South Windham, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.05South Windham, Thursday, 27 August
Climate normal for this date — 60-year average.
0.14South Windham, Friday, 28 August
Climate normal for this date — 60-year average.
0.15South Windham, Saturday, 29 August
Climate normal for this date — 60-year average.
0.14South Windham, Sunday, 30 August
Climate normal for this date — 60-year average.
0.09South Windham, Monday, 31 August
Climate normal for this date — 60-year average.
0.03South Windham, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.11South Windham, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.11South Windham, Thursday, 3 September
Climate normal for this date — 60-year average.
0.14
South Windham, Friday, 4 September
Climate normal for this date — 60-year average.
0.08South Windham, Saturday, 5 September
Climate normal for this date — 60-year average.
0.12South Windham, Sunday, 6 September
Climate normal for this date — 60-year average.
0.17South Windham, 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 Windham, 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 Windham, 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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