Weather in Jacksonville, IL
Jacksonville, Monday, 19 October, 03:31
Clear. Feels like 39°. High 69°, low 39°.
0
Jacksonville, Tuesday, 20 October
Clear. High 72°, low 43°.
0Jacksonville, Wednesday, 21 October
Clear. High 71°, low 47°.
0Jacksonville, Thursday, 22 October
Clear. High 71°, low 51°.
0Jacksonville, Friday, 23 October
Clear. High 69°, low 51°.
0
Jacksonville, Saturday, 24 October
Overcast. High 69°, low 51°.
0Jacksonville, Sunday, 25 October
Overcast. High 74°, low 60°.
0Jacksonville, Monday, 26 October
Overcast. High 74°, low 56°.
0Jacksonville, Tuesday, 27 October
Overcast. High 66°, low 47°.
0
Jacksonville, Wednesday, 28 October
Partly cloudy. High 49°, low 36°.
0Jacksonville, Thursday, 29 October
Clear. High 49°, low 30°.
0Jacksonville, Friday, 30 October
Clear. High 54°, low 31°.
0Jacksonville, Saturday, 31 October
Overcast. High 58°, low 35°.
0Jacksonville, Sunday, 1 November
Overcast. High 67°, low 46°.
0Jacksonville, Monday, 2 November
Overcast. High 72°, low 51°.
0.6
Jacksonville, Tuesday, 3 November
Rain. High 62°, low 55°.
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 Jacksonville, 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 Jacksonville, 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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