Union Center, Sunday, 18 October, 10:17
Clear. Feels like 48°. High 62°, low 37°.
Union Center, Monday, 19 October
Clear. High 65°, low 38°.
Union Center, Tuesday, 20 October
Clear. High 68°, low 44°.
Union Center, Wednesday, 21 October
Clear. High 69°, low 45°.
Union Center, Thursday, 22 October
Clear. High 68°, low 47°.
Union Center, Friday, 23 October
Clear. High 67°, low 48°.
Union Center, Saturday, 24 October
Overcast. High 76°, low 51°.
Union Center, Sunday, 25 October
Overcast. High 66°, low 54°.
Union Center, Monday, 26 October
Overcast. High 71°, low 52°.
Union Center, Tuesday, 27 October
Overcast. High 75°, low 57°.
Union Center, Wednesday, 28 October
Light rain. High 68°, low 60°.
Union Center, Thursday, 29 October
Light rain. High 76°, low 63°.
Union Center, Friday, 30 October
Rain. High 82°, low 59°.
Union Center, Saturday, 31 October
Light rain. High 68°, low 50°.
Union Center, Sunday, 1 November
Clear. High 54°, low 43°.
Union Center, Monday, 2 November
Clear. High 59°, low 39°.
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 Union Center, IL are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
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.
They are real temperature extremes recorded in Union Center, IL since 1960: the highest and lowest reading for each calendar date, with the year it happened.
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.