Weather in New Dennison, IL
New Dennison, Thursday, 22 October, 15:06
Clear. Feels like 74°. High 76°, low 46°.
0New Dennison, Friday, 23 October
Clear. High 73°, low 46°.
0
New Dennison, Saturday, 24 October
Overcast. High 73°, low 46°.
0New Dennison, Sunday, 25 October
Clear. High 75°, low 52°.
0New Dennison, Monday, 26 October
Overcast. High 72°, low 53°.
0New Dennison, Tuesday, 27 October
Overcast. High 72°, low 52°.
0New Dennison, Wednesday, 28 October
Overcast. High 76°, low 58°.
0
New Dennison, Thursday, 29 October
Light rain. High 71°, low 54°.
0New Dennison, Friday, 30 October
Overcast. High 67°, low 47°.
0.07New Dennison, Saturday, 31 October
Light rain. High 62°, low 55°.
0.33New Dennison, Sunday, 1 November
Rain. High 64°, low 57°.
0.15New Dennison, Monday, 2 November
Light rain. High 67°, low 60°.
0New Dennison, Tuesday, 3 November
Clear. High 70°, low 54°.
0New Dennison, Wednesday, 4 November
Clear. High 67°, low 49°.
0New Dennison, Thursday, 5 November
Clear. High 62°, low 41°.
0.07New Dennison, Friday, 6 November
Light rain. High 57°, low 49°.
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 New Dennison, 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 New Dennison, 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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