Weather in Herald, IL
Herald, Thursday, 22 October, 08:05
Clear. Feels like 46°. High 76°, low 47°.
0Herald, Friday, 23 October
Clear. High 72°, low 46°.
0
Herald, Saturday, 24 October
Overcast. High 73°, low 46°.
0
Herald, Sunday, 25 October
Mostly clear. High 75°, low 49°.
0Herald, Monday, 26 October
Overcast. High 73°, low 51°.
0Herald, Tuesday, 27 October
Overcast. High 74°, low 51°.
0Herald, Wednesday, 28 October
Clear. High 75°, low 54°.
0Herald, Thursday, 29 October
Overcast. High 73°, low 54°.
0Herald, Friday, 30 October
Overcast. High 79°, low 57°.
0.22
Herald, Saturday, 31 October
Light rain. High 67°, low 59°.
0.72Herald, Sunday, 1 November
Rain. High 64°, low 58°.
0.48Herald, Monday, 2 November
Rain. High 57°, low 51°.
0Herald, Tuesday, 3 November
Overcast. High 56°, low 50°.
0.93Herald, Wednesday, 4 November
Rain. High 54°, low 46°.
0.98Herald, Thursday, 5 November
Rain. High 52°, low 48°.
0.04Herald, Friday, 6 November
Light rain. High 58°, low 51°.
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 Herald, 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 Herald, 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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