Weather in Old Kaskaskia, IL
Old Kaskaskia, Friday, 30 October, 11:16
Clear. Feels like 70°. High 77°, low 57°.
Monthly outlook for Old Kaskaskia, IL: average high 62.2°, average low 50.8°. That is 1.8° above the climate normal for October. Precipitation is expected on 5 days (about 2.0 inches), against a normal of 4 days and 1.7 inches. The warmest day looks like 30 October (76.9°), the coolest 12 November (38.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 30 October – 8 November | 67.1° | 60.6° | +3.6° |
| 9 November – 18 November | 53.9° | 55.9° | -1.1° |
| 19 November – 28 November | at normal | 52.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — St. Mary (5 mi).
0
Old Kaskaskia, Saturday, 31 October
Overcast. High 71°, low 59°.
0Old Kaskaskia, Sunday, 1 November
Overcast. High 66°, low 54°.
0.01
Old Kaskaskia, Monday, 2 November
Light rain. High 71°, low 59°.
0.4Old Kaskaskia, Tuesday, 3 November
Rain. High 69°, low 64°.
0.28Old Kaskaskia, Wednesday, 4 November
Rain. High 66°, low 58°.
0Old Kaskaskia, Thursday, 5 November
Overcast. High 65°, low 56°.
0
Old Kaskaskia, Friday, 6 November
Partly cloudy. High 64°, low 50°.
0Old Kaskaskia, Saturday, 7 November
Clear. High 62°, low 45°.
0Old Kaskaskia, Sunday, 8 November
Overcast. High 60°, low 45°.
0.16Old Kaskaskia, Monday, 9 November
Light rain. High 57°, low 46°.
1.08Old Kaskaskia, Tuesday, 10 November
Heavy rain. High 48°, low 45°.
0Old Kaskaskia, Wednesday, 11 November
Overcast. High 54°, low 43°.
0Old Kaskaskia, Thursday, 12 November
Clear. High 56°, low 38°.
0.11Old Kaskaskia, Friday, 13 November
Light rain. High 59°, low 49°.
0.01Old Kaskaskia, Saturday, 14 November
Light rain. High 50°, low 45°.
0.18
Old Kaskaskia, Sunday, 15 November
Climate normal for this date — 60-year average.
0.13Old Kaskaskia, Monday, 16 November
Climate normal for this date — 60-year average.
0.13Old Kaskaskia, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.15Old Kaskaskia, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.09Old Kaskaskia, Thursday, 19 November
Climate normal for this date — 60-year average.
0.13Old Kaskaskia, Friday, 20 November
Climate normal for this date — 60-year average.
0.11Old Kaskaskia, Saturday, 21 November
Climate normal for this date — 60-year average.
0.11Old Kaskaskia, Sunday, 22 November
Climate normal for this date — 60-year average.
0.11Old Kaskaskia, Monday, 23 November
Climate normal for this date — 60-year average.
0.15Old Kaskaskia, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.19Old Kaskaskia, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.17Old Kaskaskia, Thursday, 26 November
Climate normal for this date — 60-year average.
0.22Old Kaskaskia, Friday, 27 November
Climate normal for this date — 60-year average.
0.11Old Kaskaskia, Saturday, 28 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 Old Kaskaskia, IL 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 Old Kaskaskia, IL 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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