Weather in South Windham, CT
South Windham, Sunday, 18 October, 12:26
Clear. Feels like 49°. High 53°, low 31°.
Monthly outlook for South Windham, CT: average high 59.7°, average low 42°. That is 0.4° above the climate normal for October. Precipitation is expected on 3 days (about 1.5 inches), against a normal of 4 days and 2.0 inches. The warmest day looks like 30 October (71.9°), the coolest 18 October (31.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 56.8° | 59.9° | -1.7° |
| 28 October – 6 November | 64.5° | 56.8° | +4.3° |
| 7 November – 16 November | at normal | 52.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Norwich (11 mi).
0
South Windham, Monday, 19 October
Overcast. High 59°, low 36°.
0South Windham, Tuesday, 20 October
Overcast. High 61°, low 46°.
0South Windham, Wednesday, 21 October
Clear. High 56°, low 42°.
0South Windham, Thursday, 22 October
Clear. High 61°, low 41°.
0South Windham, Friday, 23 October
Clear. High 51°, low 38°.
0South Windham, Saturday, 24 October
Clear. High 54°, low 32°.
0South Windham, Sunday, 25 October
Overcast. High 58°, low 36°.
0
South Windham, Monday, 26 October
Mostly clear. High 58°, low 42°.
0South Windham, Tuesday, 27 October
Overcast. High 57°, low 38°.
0South Windham, Wednesday, 28 October
Overcast. High 55°, low 33°.
0.27
South Windham, Thursday, 29 October
Rain. High 61°, low 46°.
1.15South Windham, Friday, 30 October
Heavy rain. High 72°, low 58°.
0South Windham, Saturday, 31 October
Overcast. High 72°, low 55°.
0.1South Windham, Sunday, 1 November
Light rain. High 69°, low 54°.
0South Windham, Monday, 2 November
Overcast. High 58°, low 44°.
0.18
South Windham, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.04South Windham, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.15
South Windham, Thursday, 5 November
Climate normal for this date — 60-year average.
0.12South 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.
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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