Weather in Post Oak, IL
Post Oak, Saturday, 17 October, 08:00
Clear. Feels like 38°. High 55°, low 41°.
0Post Oak, Sunday, 18 October
Clear. High 62°, low 40°.
0Post Oak, Monday, 19 October
Clear. High 67°, low 41°.
0
Post Oak, Tuesday, 20 October
Overcast. High 68°, low 43°.
0Post Oak, Wednesday, 21 October
Overcast. High 70°, low 48°.
0
Post Oak, Thursday, 22 October
Mostly clear. High 72°, low 46°.
0Post Oak, Friday, 23 October
Overcast. High 77°, low 54°.
0Post Oak, Saturday, 24 October
Overcast. High 76°, low 55°.
0Post Oak, Sunday, 25 October
Overcast. High 78°, low 60°.
0.04
Post Oak, Monday, 26 October
Light rain. High 69°, low 42°.
0Post Oak, Tuesday, 27 October
Overcast. High 58°, low 36°.
0.28Post Oak, Wednesday, 28 October
Rain. High 71°, low 45°.
0Post Oak, Thursday, 29 October
Clear. High 67°, low 52°.
0Post Oak, Friday, 30 October
Overcast. High 70°, low 47°.
0.8Post Oak, Saturday, 31 October
Heavy rain. High 75°, low 58°.
0.1Post Oak, Sunday, 1 November
Light rain. High 65°, low 50°.
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 Post Oak, 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 Post Oak, 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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