Weather in Colchester, CT
Colchester, Monday, 26 October, 11:28
Clear. Feels like 58°. High 66°, low 36°.
Monthly outlook for Colchester, CT: average high 57.9°, average low 42.9°. That is 0.9° above the climate normal for October. Precipitation is expected on 4 days (about 2.5 inches), against a normal of 5 days and 2.0 inches. The warmest day looks like 30 October (68.6°), the coolest 28 October (30.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 26 October – 4 November | 61.4° | 57.4° | +2.2° |
| 5 November – 14 November | 52.1° | 53.1° | -0.5° |
| 15 November – 24 November | at normal | 49.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Norwich (13 mi).
0Colchester, Tuesday, 27 October
Clear. High 56°, low 33°.
0
Colchester, Wednesday, 28 October
Overcast. High 57°, low 31°.
0Colchester, Thursday, 29 October
Clear. High 63°, low 45°.
0
Colchester, Friday, 30 October
Mostly clear. High 69°, low 51°.
0Colchester, Saturday, 31 October
Overcast. High 60°, low 44°.
0Colchester, Sunday, 1 November
Overcast. High 60°, low 44°.
0Colchester, Monday, 2 November
Overcast. High 60°, low 50°.
0Colchester, Tuesday, 3 November
Overcast. High 65°, low 51°.
0.7
Colchester, Wednesday, 4 November
Rain. High 58°, low 53°.
0.36Colchester, Thursday, 5 November
Rain. High 58°, low 47°.
0Colchester, Friday, 6 November
Mostly clear. High 60°, low 44°.
0.63Colchester, Saturday, 7 November
Rain. High 52°, low 48°.
0.85Colchester, Sunday, 8 November
Rain. High 50°, low 37°.
0Colchester, Monday, 9 November
Overcast. High 45°, low 37°.
0Colchester, Tuesday, 10 November
Mostly clear. High 48°, low 36°.
0.15
Colchester, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.17Colchester, Thursday, 12 November
Climate normal for this date — 60-year average.
0.21Colchester, Friday, 13 November
Climate normal for this date — 60-year average.
0.09
Colchester, 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.
0.06Colchester, 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.
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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