Weather in Harristown, IL
Harristown, Monday, 2 November, 10:39
Fog. Feels like 55°. High 65°, low 55°.
0.31
Harristown, Tuesday, 3 November
Rain. High 74°, low 65°.
0.85Harristown, Wednesday, 4 November
Heavy rain. High 64°, low 51°.
0
Harristown, Thursday, 5 November
Clear. High 63°, low 47°.
0
Harristown, Friday, 6 November
Overcast. High 52°, low 48°.
0Harristown, Saturday, 7 November
Overcast. High 58°, low 48°.
0.1Harristown, Sunday, 8 November
Light rain. High 48°, low 41°.
0Harristown, Monday, 9 November
Overcast. High 53°, low 36°.
0Harristown, Tuesday, 10 November
Clear. High 56°, low 41°.
0.32Harristown, Wednesday, 11 November
Rain. High 50°, low 43°.
0Harristown, Thursday, 12 November
Overcast. High 48°, low 39°.
0Harristown, Friday, 13 November
Overcast. High 49°, low 35°.
0Harristown, Saturday, 14 November
Overcast. High 50°, low 34°.
0.65Harristown, Sunday, 15 November
Rain. High 46°, low 41°.
0.08Harristown, Monday, 16 November
Light rain. High 49°, low 44°.
0Harristown, Tuesday, 17 November
Overcast. High 51°, low 42°.
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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