Weather in Harristown, IL
Harristown, Saturday, 24 October, 18:11
Clear. Feels like 65°. High 72°, low 47°.
0
Harristown, Sunday, 25 October
Overcast. High 74°, low 48°.
0Harristown, Monday, 26 October
Overcast. High 74°, low 48°.
0Harristown, Tuesday, 27 October
Overcast. High 71°, low 53°.
0
Harristown, Wednesday, 28 October
Clear. High 74°, low 53°.
0
Harristown, Thursday, 29 October
Mostly clear. High 76°, low 57°.
0
Harristown, Friday, 30 October
Partly cloudy. High 77°, low 57°.
0.04
Harristown, Saturday, 31 October
Light rain. High 72°, low 62°.
0.31Harristown, Sunday, 1 November
Rain. High 75°, low 61°.
0.39Harristown, Monday, 2 November
Rain. High 53°, low 40°.
0.24Harristown, Tuesday, 3 November
Rain. High 54°, low 50°.
0.02Harristown, Wednesday, 4 November
Light rain. High 54°, low 49°.
0Harristown, Thursday, 5 November
Overcast. High 55°, low 49°.
0Harristown, Friday, 6 November
Overcast. High 59°, low 45°.
0Harristown, Saturday, 7 November
Clear. High 62°, low 45°.
0Harristown, Sunday, 8 November
Overcast. High 67°, low 47°.
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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