Lake Summerset, Thursday, 5 November, 12:36
Overcast. Feels like 51°. High 52°, low 44°.
Lake Summerset, Friday, 6 November
Overcast. High 46°, low 33°.
Lake Summerset, Saturday, 7 November
Overcast. High 50°, low 30°.
Lake Summerset, Sunday, 8 November
Clear. High 57°, low 40°.
Lake Summerset, Monday, 9 November
Partly cloudy. High 58°, low 35°.
Lake Summerset, Tuesday, 10 November
Overcast. High 56°, low 44°.
Lake Summerset, Wednesday, 11 November
Mostly clear. High 46°, low 38°.
Lake Summerset, Thursday, 12 November
Mostly clear. High 39°, low 28°.
Lake Summerset, Friday, 13 November
Clear. High 41°, low 25°.
Lake Summerset, Saturday, 14 November
Partly cloudy. High 48°, low 28°.
Lake Summerset, Sunday, 15 November
Clear. High 51°, low 33°.
Lake Summerset, Monday, 16 November
Clear. High 52°, low 35°.
Lake Summerset, Tuesday, 17 November
Partly cloudy. High 58°, low 39°.
Lake Summerset, Wednesday, 18 November
Overcast. High 56°, low 45°.
Lake Summerset, Thursday, 19 November
Overcast. High 58°, low 46°.
Lake Summerset, Friday, 20 November
Light rain. High 59°, low 47°.
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 Lake Summerset, 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 Lake Summerset, 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.