Weather in Harristown, IL
Harristown, Monday, 9 November, 04:10
Clear. Feels like 36°. High 65°, low 38°.
0
Harristown, Tuesday, 10 November
Clear. High 67°, low 45°.
0.25
Harristown, Wednesday, 11 November
Rain. High 64°, low 44°.
0
Harristown, Thursday, 12 November
Mostly clear. High 47°, low 38°.
0
Harristown, Friday, 13 November
Overcast. High 42°, low 34°.
0Harristown, Saturday, 14 November
Clear. High 45°, low 34°.
0
Harristown, Sunday, 15 November
Partly cloudy. High 52°, low 34°.
0Harristown, Monday, 16 November
Overcast. High 64°, low 48°.
0Harristown, Tuesday, 17 November
Overcast. High 69°, low 55°.
0Harristown, Wednesday, 18 November
Mostly clear. High 69°, low 53°.
0Harristown, Thursday, 19 November
Overcast. High 69°, low 50°.
0.18Harristown, Friday, 20 November
Light rain. High 62°, low 52°.
0.31Harristown, Saturday, 21 November
Rain. High 50°, low 44°.
0.69Harristown, Sunday, 22 November
Heavy rain. High 51°, low 45°.
0.02Harristown, Monday, 23 November
Light rain. High 45°, low 37°.
0Harristown, Tuesday, 24 November
Overcast. High 46°, low 36°.
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 Harristown, 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 Harristown, 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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