Weather in Bourbonnais, IL
Bourbonnais, Saturday, 8 August, 22:42
Clear. Feels like 69°. High 84°, low 68°.
0.07
Bourbonnais, Sunday, 9 August
Light rain. High 89°, low 64°.
0.13Bourbonnais, Monday, 10 August
Rain. High 87°, low 72°.
0.12Bourbonnais, Tuesday, 11 August
Light rain. High 81°, low 72°.
0Bourbonnais, Wednesday, 12 August
Light rain. High 82°, low 68°.
0.04Bourbonnais, Thursday, 13 August
Light rain. High 74°, low 62°.
0
Bourbonnais, Friday, 14 August
Clear. High 77°, low 60°.
0.01Bourbonnais, Saturday, 15 August
Light rain. High 65°, low 57°.
0.01Bourbonnais, Sunday, 16 August
Light rain. High 68°, low 61°.
0.01Bourbonnais, Monday, 17 August
Light rain. High 77°, low 61°.
0
Bourbonnais, Tuesday, 18 August
Overcast. High 81°, low 64°.
0.09Bourbonnais, Wednesday, 19 August
Light rain. High 73°, low 59°.
0.02Bourbonnais, Thursday, 20 August
Light rain. High 70°, low 53°.
0.01Bourbonnais, Friday, 21 August
Light rain. High 74°, low 53°.
0.01Bourbonnais, Saturday, 22 August
Light rain. High 74°, low 55°.
0
Bourbonnais, Sunday, 23 August
Mostly clear. High 81°, low 64°.
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 Bourbonnais, 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 Bourbonnais, 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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