Weather in Old Kaskaskia, IL
Old Kaskaskia, Thursday, 29 October, 02:14
Clear. Feels like 60°. High 80°, low 54°.
Monthly outlook for Old Kaskaskia, IL: average high 64.4°, average low 50.8°. That is 2.8° above the climate normal for October. Precipitation is expected on 5 days (about 1.0 inches), against a normal of 4 days and 1.7 inches. The warmest day looks like 29 October (79.6°), the coolest 13 November (35.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 29 October – 7 November | 68° | 60.9° | +3.9° |
| 8 November – 17 November | 58.6° | 56.3° | +1.3° |
| 18 November – 27 November | at normal | 52.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — St. Mary (5 mi).
0
Old Kaskaskia, Friday, 30 October
Overcast. High 75°, low 53°.
0.02
Old Kaskaskia, Saturday, 31 October
Light rain. High 70°, low 61°.
0.09Old Kaskaskia, Sunday, 1 November
Light rain. High 67°, low 61°.
0.04Old Kaskaskia, Monday, 2 November
Light rain. High 70°, low 60°.
0.46Old Kaskaskia, Tuesday, 3 November
Rain. High 69°, low 65°.
0.29Old Kaskaskia, Wednesday, 4 November
Rain. High 67°, low 59°.
0.1Old Kaskaskia, Thursday, 5 November
Light rain. High 66°, low 58°.
0Old Kaskaskia, Friday, 6 November
Overcast. High 59°, low 53°.
0
Old Kaskaskia, Saturday, 7 November
Clear. High 58°, low 41°.
0Old Kaskaskia, Sunday, 8 November
Overcast. High 58°, low 39°.
0Old Kaskaskia, Monday, 9 November
Overcast. High 65°, low 43°.
0Old Kaskaskia, Tuesday, 10 November
Clear. High 60°, low 46°.
0Old Kaskaskia, Wednesday, 11 November
Overcast. High 60°, low 44°.
0Old Kaskaskia, Thursday, 12 November
Clear. High 54°, low 41°.
0
Old Kaskaskia, Friday, 13 November
Partly cloudy. High 54°, low 36°.
0.09Old Kaskaskia, Saturday, 14 November
Climate normal for this date — 60-year average.
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.
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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