Weather in New Dennison, IL
New Dennison, Friday, 13 November, 23:12
Mostly clear. Feels like 35°. High 45°, low 36°.
0
New Dennison, Saturday, 14 November
Clear. High 48°, low 31°.
0
New Dennison, Sunday, 15 November
Overcast. High 52°, low 33°.
0New Dennison, Monday, 16 November
Clear. High 54°, low 34°.
0New Dennison, Tuesday, 17 November
Clear. High 56°, low 34°.
0New Dennison, Wednesday, 18 November
Overcast. High 60°, low 39°.
0
New Dennison, Thursday, 19 November
Partly cloudy. High 65°, low 45°.
0New Dennison, Friday, 20 November
Overcast. High 68°, low 53°.
0New Dennison, Saturday, 21 November
Clear. High 68°, low 48°.
0.04
New Dennison, Sunday, 22 November
Light rain. High 61°, low 31°.
0New Dennison, Monday, 23 November
Clear. High 34°, low 23°.
0New Dennison, Tuesday, 24 November
Clear. High 34°, low 18°.
0New Dennison, Wednesday, 25 November
Overcast. High 42°, low 20°.
0New Dennison, Thursday, 26 November
Overcast. High 53°, low 32°.
0.07New Dennison, Friday, 27 November
Light rain. High 55°, low 44°.
0.8New Dennison, Saturday, 28 November
Heavy rain. High 57°, low 42°.
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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