Weather in New Dennison, IL
New Dennison, Sunday, 25 October, 11:11
Clear. Feels like 71°. High 73°, low 47°.
0
New Dennison, Monday, 26 October
Overcast. High 75°, low 49°.
0New Dennison, Tuesday, 27 October
Overcast. High 72°, low 49°.
0New Dennison, Wednesday, 28 October
Overcast. High 73°, low 56°.
0New Dennison, Thursday, 29 October
Clear. High 76°, low 55°.
0New Dennison, Friday, 30 October
Overcast. High 78°, low 57°.
0.04
New Dennison, Saturday, 31 October
Light rain. High 73°, low 61°.
1.06New Dennison, Sunday, 1 November
Heavy rain. High 69°, low 59°.
0
New Dennison, Monday, 2 November
Partly cloudy. High 76°, low 59°.
0.23New Dennison, Tuesday, 3 November
Light rain. High 71°, low 63°.
0New Dennison, Wednesday, 4 November
Clear. High 70°, low 50°.
0.01New Dennison, Thursday, 5 November
Light rain. High 63°, low 46°.
0New Dennison, Friday, 6 November
Clear. High 64°, low 49°.
0.02New Dennison, Saturday, 7 November
Light rain. High 72°, low 47°.
0.09New Dennison, Sunday, 8 November
Light rain. High 70°, low 54°.
0New Dennison, Monday, 9 November
Light rain. High 57°, 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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