Weather in Jamestown, IL
Jamestown, Monday, 2 November, 22:49
Partly cloudy. Feels like 67°. High 66°, low 56°.
0.49
Jamestown, Tuesday, 3 November
Rain. High 72°, low 63°.
0.07Jamestown, Wednesday, 4 November
Rain. High 62°, low 55°.
0
Jamestown, Thursday, 5 November
Clear. High 64°, low 49°.
0
Jamestown, Friday, 6 November
Overcast. High 58°, low 52°.
0
Jamestown, Saturday, 7 November
Mostly clear. High 57°, low 48°.
0Jamestown, Sunday, 8 November
Clear. High 62°, low 45°.
0Jamestown, Monday, 9 November
Clear. High 67°, low 43°.
0Jamestown, Tuesday, 10 November
Clear. High 72°, low 48°.
0Jamestown, Wednesday, 11 November
Overcast. High 62°, low 49°.
0
Jamestown, Thursday, 12 November
Partly cloudy. High 60°, low 41°.
0Jamestown, Friday, 13 November
Overcast. High 70°, low 47°.
0Jamestown, Saturday, 14 November
Overcast. High 69°, low 53°.
0Jamestown, Sunday, 15 November
Partly cloudy. High 70°, low 51°.
0Jamestown, Monday, 16 November
Clear. High 72°, low 52°.
0Jamestown, Tuesday, 17 November
Overcast. High 74°, low 53°.
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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