Weather in Jamestown, IL
Jamestown, Saturday, 7 November, 20:37
Clear. Feels like 39°. High 54°, low 32°.
0
Jamestown, Sunday, 8 November
Clear. High 63°, low 36°.
0Jamestown, Monday, 9 November
Clear. High 63°, low 39°.
0Jamestown, Tuesday, 10 November
Clear. High 66°, low 46°.
0.02
Jamestown, Wednesday, 11 November
Light rain. High 67°, low 45°.
0
Jamestown, Thursday, 12 November
Overcast. High 53°, low 43°.
0
Jamestown, Friday, 13 November
Mostly clear. High 45°, low 34°.
0Jamestown, Saturday, 14 November
Clear. High 47°, low 29°.
0Jamestown, Sunday, 15 November
Clear. High 60°, low 33°.
0Jamestown, Monday, 16 November
Overcast. High 68°, low 45°.
0.12Jamestown, Tuesday, 17 November
Light rain. High 69°, low 50°.
0.69Jamestown, Wednesday, 18 November
Rain. High 64°, low 52°.
0.2Jamestown, Thursday, 19 November
Rain. High 62°, low 48°.
0.02Jamestown, Friday, 20 November
Light rain. High 69°, low 57°.
0Jamestown, Saturday, 21 November
Overcast. High 67°, low 52°.
0Jamestown, Sunday, 22 November
Clear. High 52°, low 41°.
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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