Weather in Green Brier, IL
Green Brier, Sunday, 18 October, 06:24
Clear. Feels like 28°. High 63°, low 32°.
0
Green Brier, Monday, 19 October
Clear. High 66°, low 41°.
0
Green Brier, Tuesday, 20 October
Mostly clear. High 69°, low 44°.
0Green Brier, Wednesday, 21 October
Clear. High 70°, low 45°.
0Green Brier, Thursday, 22 October
Clear. High 71°, low 46°.
0Green Brier, Friday, 23 October
Clear. High 67°, low 49°.
0
Green Brier, Saturday, 24 October
Overcast. High 76°, low 53°.
0Green Brier, Sunday, 25 October
Overcast. High 65°, low 51°.
0Green Brier, Monday, 26 October
Overcast. High 61°, low 43°.
0Green Brier, Tuesday, 27 October
Overcast. High 72°, low 53°.
0Green Brier, Wednesday, 28 October
Overcast. High 75°, low 57°.
0.54
Green Brier, Thursday, 29 October
Rain. High 62°, low 58°.
0Green Brier, Friday, 30 October
Overcast. High 74°, low 56°.
0.05Green Brier, Saturday, 31 October
Light rain. High 77°, low 60°.
0Green Brier, Sunday, 1 November
Clear. High 81°, low 64°.
0Green Brier, Monday, 2 November
Overcast. High 79°, low 65°.
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 Green Brier, 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 Green Brier, 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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