Weather in South Windham, CT
South Windham, Wednesday, 21 October, 03:57
Clear. Feels like 43°. High 59°, low 41°.
Monthly outlook for South Windham, CT: average high 55.9°, average low 36.6°. That is 1.3° below the climate normal for October. Precipitation is expected on 2 days (about 1.4 inches), against a normal of 4 days and 1.9 inches. The warmest day looks like 27 October (67.8°), the coolest 5 November (30.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 58.1° | 58.9° | -0.5° |
| 31 October – 9 November | 52.2° | 55.9° | -2.1° |
| 10 November – 19 November | at normal | 51° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Norwich (11 mi).
0
South Windham, Thursday, 22 October
Overcast. High 65°, low 35°.
0
South Windham, Friday, 23 October
Clear. High 52°, low 38°.
0South Windham, Saturday, 24 October
Clear. High 56°, low 33°.
0South Windham, Sunday, 25 October
Clear. High 63°, low 35°.
0South Windham, Monday, 26 October
Clear. High 64°, low 39°.
0South Windham, Tuesday, 27 October
Overcast. High 68°, low 48°.
0
South Windham, Wednesday, 28 October
Partly cloudy. High 48°, low 33°.
0.02
South Windham, Thursday, 29 October
Light rain. High 50°, low 31°.
0.06South Windham, Friday, 30 October
Light rain. High 54°, low 40°.
0South Windham, Saturday, 31 October
Clear. High 52°, low 31°.
0
South Windham, Sunday, 1 November
Mostly clear. High 58°, low 35°.
1.35South Windham, Monday, 2 November
Heavy rain. High 63°, low 50°.
0South Windham, Tuesday, 3 November
Clear. High 50°, low 35°.
0South Windham, Wednesday, 4 November
Clear. High 45°, low 31°.
0South Windham, Thursday, 5 November
Clear. High 45°, low 30°.
0.12
South Windham, Friday, 6 November
Climate normal for this date — 60-year average.
0.08South Windham, Saturday, 7 November
Climate normal for this date — 60-year average.
0.12South Windham, Sunday, 8 November
Climate normal for this date — 60-year average.
0.09South Windham, Monday, 9 November
Climate normal for this date — 60-year average.
0.18South Windham, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.15South Windham, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.17South Windham, Thursday, 12 November
Climate normal for this date — 60-year average.
0.21South Windham, Friday, 13 November
Climate normal for this date — 60-year average.
0.09South Windham, Saturday, 14 November
Climate normal for this date — 60-year average.
0.12South Windham, Sunday, 15 November
Climate normal for this date — 60-year average.
0.15South Windham, Monday, 16 November
Climate normal for this date — 60-year average.
0.16South Windham, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.08South Windham, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.06South Windham, Thursday, 19 November
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, CT 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, CT 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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