Weather in New Dennison, IL
New Dennison, Tuesday, 20 October, 05:52
Clear. Feels like 43°. High 73°, low 44°.
0
New Dennison, Wednesday, 21 October
Clear. High 74°, low 44°.
0New Dennison, Thursday, 22 October
Clear. High 73°, low 50°.
0New Dennison, Friday, 23 October
Clear. High 71°, low 50°.
0
New Dennison, Saturday, 24 October
Overcast. High 74°, low 51°.
0New Dennison, Sunday, 25 October
Overcast. High 75°, low 55°.
0New Dennison, Monday, 26 October
Overcast. High 75°, low 55°.
0New Dennison, Tuesday, 27 October
Overcast. High 62°, low 50°.
0New Dennison, Wednesday, 28 October
Clear. High 49°, low 34°.
0.01
New Dennison, Thursday, 29 October
Light rain. High 56°, low 29°.
0.49New Dennison, Friday, 30 October
Rain. High 44°, low 40°.
0.02New Dennison, Saturday, 31 October
Light rain. High 58°, low 45°.
0.08New Dennison, Sunday, 1 November
Light rain. High 57°, low 48°.
0.23New Dennison, Monday, 2 November
Rain. High 53°, low 46°.
0New Dennison, Tuesday, 3 November
Overcast. High 57°, low 40°.
0New Dennison, Wednesday, 4 November
Clear. High 62°, low 38°.
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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