Weather in Jamestown, IL
Jamestown, Wednesday, 4 November, 07:41
Overcast. Feels like 58°. High 62°, low 52°.
0
Jamestown, Thursday, 5 November
Clear. High 62°, low 47°.
0Jamestown, Friday, 6 November
Overcast. High 55°, low 40°.
0Jamestown, Saturday, 7 November
Overcast. High 53°, low 36°.
0
Jamestown, Sunday, 8 November
Mostly clear. High 59°, low 37°.
0Jamestown, Monday, 9 November
Clear. High 64°, low 42°.
0Jamestown, Tuesday, 10 November
Clear. High 64°, low 44°.
0Jamestown, Wednesday, 11 November
Overcast. High 60°, low 41°.
0Jamestown, Thursday, 12 November
Overcast. High 58°, low 43°.
0Jamestown, Friday, 13 November
Clear. High 58°, low 39°.
0Jamestown, Saturday, 14 November
Clear. High 63°, low 41°.
0Jamestown, Sunday, 15 November
Overcast. High 63°, low 46°.
0.02
Jamestown, Monday, 16 November
Light rain. High 56°, low 52°.
0Jamestown, Tuesday, 17 November
Clear. High 66°, low 46°.
0.09Jamestown, Wednesday, 18 November
Light rain. High 67°, low 47°.
0.68Jamestown, Thursday, 19 November
Rain. High 56°, low 46°.
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 Jamestown, 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 Jamestown, 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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