Weather in Colchester, CT
Colchester, Wednesday, 28 October, 14:29
Overcast. Feels like 56°. High 58°, low 34°.
Monthly outlook for Colchester, CT: average high 57°, average low 40.2°. That is 0.8° above the climate normal for October. Precipitation is expected on 2 days (about 1.8 inches), against a normal of 5 days and 2.0 inches. The warmest day looks like 29 October (66.9°), the coolest 9 November (30.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 28 October – 6 November | 60.6° | 56.8° | +2.1° |
| 7 November – 16 November | 50.8° | 52.2° | -0.8° |
| 17 November – 26 November | at normal | 48.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Norwich (13 mi).
0
Colchester, Thursday, 29 October
Clear. High 67°, low 44°.
0Colchester, Friday, 30 October
Clear. High 65°, low 46°.
0Colchester, Saturday, 31 October
Clear. High 52°, low 39°.
0Colchester, Sunday, 1 November
Clear. High 56°, low 37°.
0Colchester, Monday, 2 November
Clear. High 63°, low 41°.
0Colchester, Tuesday, 3 November
Overcast. High 62°, low 46°.
0Colchester, Wednesday, 4 November
Overcast. High 56°, low 40°.
0Colchester, Thursday, 5 November
Overcast. High 62°, low 46°.
1.15
Colchester, Friday, 6 November
Heavy rain. High 65°, low 52°.
0Colchester, Saturday, 7 November
Clear. High 50°, low 39°.
0
Colchester, Sunday, 8 November
Partly cloudy. High 48°, low 35°.
0Colchester, Monday, 9 November
Clear. High 50°, low 31°.
0Colchester, Tuesday, 10 November
Clear. High 52°, low 32°.
0Colchester, Wednesday, 11 November
Overcast. High 53°, low 37°.
0.64Colchester, Thursday, 12 November
Rain. High 51°, low 46°.
0.21
Colchester, Friday, 13 November
Climate normal for this date — 60-year average.
0.09Colchester, Saturday, 14 November
Climate normal for this date — 60-year average.
0.12Colchester, Sunday, 15 November
Climate normal for this date — 60-year average.
0.15Colchester, Monday, 16 November
Climate normal for this date — 60-year average.
0.16Colchester, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.08Colchester, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.06
Colchester, Thursday, 19 November
Climate normal for this date — 60-year average.
0.12Colchester, Friday, 20 November
Climate normal for this date — 60-year average.
0.11Colchester, Saturday, 21 November
Climate normal for this date — 60-year average.
0.15Colchester, Sunday, 22 November
Climate normal for this date — 60-year average.
0.13Colchester, Monday, 23 November
Climate normal for this date — 60-year average.
0.1Colchester, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.16Colchester, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.2Colchester, Thursday, 26 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 Colchester, 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 Colchester, 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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