Weather in New Dennison, IL
New Dennison, Friday, 23 October, 04:15
Fog. Feels like 47°. High 75°, low 47°.
0
New Dennison, Saturday, 24 October
Mostly clear. High 75°, low 47°.
0
New Dennison, Sunday, 25 October
Overcast. High 76°, low 53°.
0New Dennison, Monday, 26 October
Overcast. High 74°, low 55°.
0New Dennison, Tuesday, 27 October
Overcast. High 74°, low 54°.
0
New Dennison, Wednesday, 28 October
Clear. High 76°, low 56°.
0New Dennison, Thursday, 29 October
Overcast. High 77°, low 56°.
0.01
New Dennison, Friday, 30 October
Light rain. High 67°, low 59°.
1.02New Dennison, Saturday, 31 October
Rain. High 64°, low 61°.
0.03New Dennison, Sunday, 1 November
Light rain. High 62°, low 49°.
0New Dennison, Monday, 2 November
Overcast. High 53°, low 43°.
0New Dennison, Tuesday, 3 November
Mostly clear. High 57°, low 38°.
0New Dennison, Wednesday, 4 November
Clear. High 61°, low 39°.
0New Dennison, Thursday, 5 November
Clear. High 63°, low 41°.
0New Dennison, Friday, 6 November
Clear. High 65°, low 43°.
0New Dennison, Saturday, 7 November
Overcast. High 65°, low 46°.
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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