Weather in Monticello, IA
Monticello, Saturday, 17 October, 09:05
Clear. Feels like 37°. High 54°, low 34°.
0Monticello, Sunday, 18 October
Clear. High 61°, low 41°.
0
Monticello, Monday, 19 October
Mostly clear. High 63°, low 42°.
0
Monticello, Tuesday, 20 October
Partly cloudy. High 64°, low 42°.
0Monticello, Wednesday, 21 October
Clear. High 68°, low 46°.
0Monticello, Thursday, 22 October
Clear. High 69°, low 47°.
0
Monticello, Friday, 23 October
Overcast. High 69°, low 51°.
0Monticello, Saturday, 24 October
Overcast. High 70°, low 59°.
0Monticello, Sunday, 25 October
Overcast. High 64°, low 49°.
0Monticello, Monday, 26 October
Clear. High 63°, low 44°.
0.49
Monticello, Tuesday, 27 October
Rain. High 68°, low 57°.
0.28Monticello, Wednesday, 28 October
Light rain. High 62°, low 53°.
0Monticello, Thursday, 29 October
Overcast. High 57°, low 44°.
0.87Monticello, Friday, 30 October
Rain. High 67°, low 48°.
0.24Monticello, Saturday, 31 October
Rain. High 68°, low 44°.
0Monticello, Sunday, 1 November
Overcast. High 54°, 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 Monticello, 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 Monticello, 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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