Weather in Caseyville, MO
Caseyville, Tuesday, 20 October, 07:58
Clear. Feels like 45°. High 71°, low 46°.
Monthly outlook for Caseyville, MO: average high 63.2°, average low 44.9°. That is 0.4° above the climate normal for October. Precipitation is expected on 4 days (about 1.6 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 25 October (78.6°), the coolest 28 October (28.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 68.4° | 63.8° | +2.5° |
| 30 October – 8 November | 54.6° | 59.4° | -2.6° |
| 9 November – 18 November | at normal | 55.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Sullivan (5 mi).
0Caseyville, Wednesday, 21 October
Clear. High 73°, low 46°.
0Caseyville, Thursday, 22 October
Clear. High 75°, low 47°.
0Caseyville, Friday, 23 October
Clear. High 75°, low 52°.
0
Caseyville, Saturday, 24 October
Mostly clear. High 78°, low 51°.
0
Caseyville, Sunday, 25 October
Overcast. High 79°, low 57°.
0Caseyville, Monday, 26 October
Overcast. High 74°, low 54°.
0Caseyville, Tuesday, 27 October
Overcast. High 56°, low 46°.
0Caseyville, Wednesday, 28 October
Clear. High 47°, low 29°.
0.2
Caseyville, Thursday, 29 October
Rain. High 57°, low 29°.
0.35Caseyville, Friday, 30 October
Rain. High 46°, low 42°.
0
Caseyville, Saturday, 31 October
Partly cloudy. High 62°, low 46°.
0.43Caseyville, Sunday, 1 November
Rain. High 53°, low 48°.
0.57Caseyville, Monday, 2 November
Rain. High 53°, low 45°.
0Caseyville, Tuesday, 3 November
Overcast. High 49°, low 42°.
0Caseyville, Wednesday, 4 November
Partly cloudy. High 65°, low 40°.
0.17
Caseyville, Thursday, 5 November
Climate normal for this date — 60-year average.
0.09Caseyville, Friday, 6 November
Climate normal for this date — 60-year average.
0.09Caseyville, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Caseyville, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11Caseyville, Monday, 9 November
Climate normal for this date — 60-year average.
0.12Caseyville, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.09Caseyville, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.07Caseyville, Thursday, 12 November
Climate normal for this date — 60-year average.
0.05Caseyville, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Caseyville, Saturday, 14 November
Climate normal for this date — 60-year average.
0.15Caseyville, Sunday, 15 November
Climate normal for this date — 60-year average.
0.13Caseyville, Monday, 16 November
Climate normal for this date — 60-year average.
0.13Caseyville, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.15Caseyville, Wednesday, 18 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 Caseyville, MO 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 Caseyville, MO 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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