Weather in Altona, IL
Altona, Saturday, 31 October, 06:35
Overcast. Feels like 52°. High 65°, low 53°.
0
Altona, Sunday, 1 November
Light rain. High 64°, low 55°.
0.03Altona, Monday, 2 November
Light rain. High 64°, low 53°.
0.04Altona, Tuesday, 3 November
Light rain. High 71°, low 63°.
1.02Altona, Wednesday, 4 November
Rain. High 67°, low 63°.
0.31Altona, Thursday, 5 November
Rain. High 63°, low 52°.
0Altona, Friday, 6 November
Overcast. High 62°, low 46°.
0Altona, Saturday, 7 November
Overcast. High 63°, low 51°.
0.07Altona, Sunday, 8 November
Light rain. High 61°, low 57°.
0.09Altona, Monday, 9 November
Light rain. High 59°, low 55°.
0Altona, Tuesday, 10 November
Overcast. High 64°, low 52°.
0
Altona, Wednesday, 11 November
Clear. High 56°, low 42°.
0Altona, Thursday, 12 November
Overcast. High 56°, low 43°.
0Altona, Friday, 13 November
Overcast. High 65°, low 47°.
0
Altona, Saturday, 14 November
Mostly clear. High 58°, low 40°.
0Altona, Sunday, 15 November
Overcast. High 64°, low 50°.
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 Altona, 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 Altona, 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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