Weather in St. Charles, IA
St. Charles, Monday, 19 October, 08:41
Partly cloudy. Feels like 42°. High 67°, low 43°.
0
St. Charles, Tuesday, 20 October
Clear. High 70°, low 42°.
0St. Charles, Wednesday, 21 October
Clear. High 71°, low 49°.
0St. Charles, Thursday, 22 October
Clear. High 71°, low 50°.
0St. Charles, Friday, 23 October
Partly cloudy. High 71°, low 52°.
0
St. Charles, Saturday, 24 October
Overcast. High 72°, low 56°.
0.06
St. Charles, Sunday, 25 October
Light rain. High 64°, low 52°.
0.67St. Charles, Monday, 26 October
Rain. High 57°, low 51°.
0.31St. Charles, Tuesday, 27 October
Rain. High 57°, low 37°.
0St. Charles, Wednesday, 28 October
Clear. High 44°, low 28°.
0St. Charles, Thursday, 29 October
Overcast. High 52°, low 32°.
0St. Charles, Friday, 30 October
Overcast. High 57°, low 39°.
0.02St. Charles, Saturday, 31 October
Light rain. High 55°, low 39°.
0St. Charles, Sunday, 1 November
Overcast. High 52°, low 39°.
0St. Charles, Monday, 2 November
Overcast. High 47°, low 33°.
0.04St. Charles, Tuesday, 3 November
Light rain. High 47°, 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 St. Charles, IA 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 St. Charles, IA 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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