Weather in Vienna, IL
Vienna, Saturday, 8 August, 15:27
Overcast. Feels like 101°. High 89°, low 73°.
0
Vienna, Sunday, 9 August
Clear. High 91°, low 72°.
0Vienna, Monday, 10 August
Clear. High 96°, low 74°.
0
Vienna, Tuesday, 11 August
Mostly clear. High 99°, low 74°.
0Vienna, Wednesday, 12 August
Overcast. High 88°, low 79°.
0.41
Vienna, Thursday, 13 August
Rain. High 87°, low 72°.
0.68Vienna, Friday, 14 August
Heavy rain. High 81°, low 67°.
0Vienna, Saturday, 15 August
Overcast. High 83°, low 59°.
0.02Vienna, Sunday, 16 August
Light rain. High 83°, low 61°.
0.17Vienna, Monday, 17 August
Light rain. High 87°, low 70°.
0Vienna, Tuesday, 18 August
Overcast. High 95°, low 72°.
0.02Vienna, Wednesday, 19 August
Light rain. High 91°, low 74°.
0.37Vienna, Thursday, 20 August
Rain. High 92°, low 74°.
0.17Vienna, Friday, 21 August
Light rain. High 84°, low 73°.
0Vienna, Saturday, 22 August
Overcast. High 89°, low 68°.
0Vienna, Sunday, 23 August
Overcast. High 80°, 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 Vienna, 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 Vienna, 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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