Weather in St. Peter, IL
St. Peter, Tuesday, 20 October, 06:23
Overcast. Feels like 50°. High 73°, low 48°.
0
St. Peter, Wednesday, 21 October
Clear. High 74°, low 44°.
0St. Peter, Thursday, 22 October
Clear. High 72°, low 48°.
0St. Peter, Friday, 23 October
Clear. High 70°, low 50°.
0St. Peter, Saturday, 24 October
Overcast. High 71°, low 49°.
0St. Peter, Sunday, 25 October
Overcast. High 74°, low 53°.
0St. Peter, Monday, 26 October
Overcast. High 75°, low 55°.
0St. Peter, Tuesday, 27 October
Overcast. High 60°, low 48°.
0St. Peter, Wednesday, 28 October
Clear. High 46°, low 30°.
0.02
St. Peter, Thursday, 29 October
Light rain. High 54°, low 29°.
0.28St. Peter, Friday, 30 October
Rain. High 47°, low 41°.
0.01St. Peter, Saturday, 31 October
Light rain. High 60°, low 44°.
0.08St. Peter, Sunday, 1 November
Light rain. High 58°, low 44°.
0.82St. Peter, Monday, 2 November
Rain. High 57°, low 45°.
0
St. Peter, Tuesday, 3 November
Partly cloudy. High 55°, low 39°.
0St. Peter, Wednesday, 4 November
Clear. High 59°, low 39°.
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. Peter, 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 St. Peter, 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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