Weather in Lewisburg, IL
Lewisburg, Sunday, 9 August, 05:24
Partly cloudy. Feels like 69°. High 93°, low 70°.
0
Lewisburg, Monday, 10 August
Partly cloudy. High 98°, low 79°.
0.04
Lewisburg, Tuesday, 11 August
Light rain. High 99°, low 68°.
0.18Lewisburg, Wednesday, 12 August
Rain. High 91°, low 72°.
0.02Lewisburg, Thursday, 13 August
Light rain. High 85°, low 68°.
0.28Lewisburg, Friday, 14 August
Light rain. High 71°, low 63°.
0.27Lewisburg, Saturday, 15 August
Light rain. High 79°, low 63°.
0.04Lewisburg, Sunday, 16 August
Light rain. High 83°, low 66°.
0
Lewisburg, Monday, 17 August
Overcast. High 86°, low 67°.
0Lewisburg, Tuesday, 18 August
Overcast. High 88°, low 66°.
0Lewisburg, Wednesday, 19 August
Partly cloudy. High 100°, low 74°.
0Lewisburg, Thursday, 20 August
Overcast. High 114°, low 81°.
0Lewisburg, Friday, 21 August
Overcast. High 98°, low 75°.
0
Lewisburg, Saturday, 22 August
Clear. High 106°, low 75°.
0.04Lewisburg, Sunday, 23 August
Light rain. High 107°, low 78°.
0.29Lewisburg, Monday, 24 August
Rain. High 90°, low 71°.
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 Lewisburg, 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 Lewisburg, 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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