Weather in Collinsville, CT
Collinsville, Saturday, 31 October, 05:10
Clear. Feels like 43°. High 55°, low 41°.
Monthly outlook for Collinsville, CT: average high 57°, average low 44.4°. That is 2.8° above the climate normal for October. Precipitation is expected on 5 days (about 2.3 inches), against a normal of 5 days and 2.0 inches. The warmest day looks like 5 November (70.6°), the coolest 15 November (31.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 31 October – 9 November | 61.9° | 53.7° | +4.6° |
| 10 November – 19 November | 48.8° | 48.3° | +0.2° |
| 20 November – 29 November | at normal | 45.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Riverton (11 mi).
0
Collinsville, Sunday, 1 November
Clear. High 60°, low 34°.
0
Collinsville, Monday, 2 November
Overcast. High 66°, low 47°.
0Collinsville, Tuesday, 3 November
Overcast. High 68°, low 47°.
0
Collinsville, Wednesday, 4 November
Mostly clear. High 67°, low 49°.
0.03
Collinsville, Thursday, 5 November
Light rain. High 71°, low 53°.
0.01Collinsville, Friday, 6 November
Light rain. High 61°, low 52°.
0Collinsville, Saturday, 7 November
Overcast. High 55°, low 49°.
0Collinsville, Sunday, 8 November
Overcast. High 62°, low 49°.
0.37Collinsville, Monday, 9 November
Rain. High 54°, low 51°.
0.44Collinsville, Tuesday, 10 November
Rain. High 60°, low 52°.
1.24Collinsville, Wednesday, 11 November
Heavy rain. High 52°, low 45°.
0.06Collinsville, Thursday, 12 November
Light rain. High 44°, low 40°.
0Collinsville, Friday, 13 November
Clear. High 46°, low 36°.
0.11Collinsville, Saturday, 14 November
Light rain. High 45°, low 34°.
0.01Collinsville, Sunday, 15 November
Light rain. High 46°, low 32°.
0.15
Collinsville, Monday, 16 November
Climate normal for this date — 60-year average.
0.14
Collinsville, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.09Collinsville, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.06Collinsville, Thursday, 19 November
Climate normal for this date — 60-year average.
0.16Collinsville, Friday, 20 November
Climate normal for this date — 60-year average.
0.11Collinsville, Saturday, 21 November
Climate normal for this date — 60-year average.
0.13Collinsville, Sunday, 22 November
Climate normal for this date — 60-year average.
0.13Collinsville, Monday, 23 November
Climate normal for this date — 60-year average.
0.09Collinsville, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.14Collinsville, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.22Collinsville, Thursday, 26 November
Climate normal for this date — 60-year average.
0.15Collinsville, Friday, 27 November
Climate normal for this date — 60-year average.
0.19Collinsville, Saturday, 28 November
Climate normal for this date — 60-year average.
0.09Collinsville, Sunday, 29 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 Collinsville, 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 Collinsville, 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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