Weather in Jamestown, IL
Jamestown, Monday, 26 October, 23:55
Overcast. Feels like 54°. High 77°, low 51°.
0Jamestown, Tuesday, 27 October
Overcast. High 76°, low 51°.
0
Jamestown, Wednesday, 28 October
Clear. High 79°, low 51°.
0.03
Jamestown, Thursday, 29 October
Light rain. High 79°, low 56°.
0Jamestown, Friday, 30 October
Overcast. High 74°, low 59°.
0.01Jamestown, Saturday, 31 October
Light rain. High 68°, low 61°.
0.99Jamestown, Sunday, 1 November
Heavy rain. High 68°, low 59°.
0.07Jamestown, Monday, 2 November
Light rain. High 71°, low 55°.
0.39Jamestown, Tuesday, 3 November
Light rain. High 73°, low 63°.
1.47Jamestown, Wednesday, 4 November
Heavy rain. High 62°, low 51°.
0.04Jamestown, Thursday, 5 November
Light rain. High 50°, low 41°.
0
Jamestown, Friday, 6 November
Light snow. High 42°, low 33°.
0Jamestown, Saturday, 7 November
Clear. High 46°, low 30°.
0Jamestown, Sunday, 8 November
Overcast. High 55°, low 32°.
0.6Jamestown, Monday, 9 November
Rain. High 53°, low 47°.
0.02Jamestown, Tuesday, 10 November
Light rain. High 61°, 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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