Weather in Jamestown, IL
Jamestown, Monday, 26 October, 01:43
Overcast. Feels like 61°. High 77°, low 53°.
0Jamestown, Tuesday, 27 October
Overcast. High 74°, low 51°.
0
Jamestown, Wednesday, 28 October
Clear. High 74°, low 54°.
0Jamestown, Thursday, 29 October
Clear. High 79°, low 55°.
0Jamestown, Friday, 30 October
Overcast. High 76°, low 56°.
0Jamestown, Saturday, 31 October
Overcast. High 71°, low 60°.
0.48
Jamestown, Sunday, 1 November
Rain. High 66°, low 58°.
0.17Jamestown, Monday, 2 November
Rain. High 63°, low 57°.
0
Jamestown, Tuesday, 3 November
Mostly clear. High 67°, low 53°.
0Jamestown, Wednesday, 4 November
Overcast. High 62°, low 49°.
0Jamestown, Thursday, 5 November
Overcast. High 54°, low 39°.
0Jamestown, Friday, 6 November
Mostly clear. High 57°, low 36°.
0.08Jamestown, Saturday, 7 November
Light rain. High 62°, low 45°.
0.01Jamestown, Sunday, 8 November
Light rain. High 63°, low 45°.
0Jamestown, Monday, 9 November
Clear. High 57°, low 37°.
0
Jamestown, Tuesday, 10 November
Partly cloudy. High 70°, low 45°.
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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