Summit Lake, Saturday, 8 August, 19:19
Clear. Feels like 73°. High 76°, low 57°.
Summit Lake, Sunday, 9 August
Light rain. High 78°, low 61°.
Summit Lake, Monday, 10 August
Overcast. High 84°, low 58°.
Summit Lake, Tuesday, 11 August
Rain. High 81°, low 59°.
Summit Lake, Wednesday, 12 August
Light rain. High 79°, low 57°.
Summit Lake, Thursday, 13 August
Clear. High 72°, low 51°.
Summit Lake, Friday, 14 August
Clear. High 75°, low 46°.
Summit Lake, Saturday, 15 August
Overcast. High 75°, low 53°.
Summit Lake, Sunday, 16 August
Light rain. High 84°, low 59°.
Summit Lake, Monday, 17 August
Light rain. High 80°, low 61°.
Summit Lake, Tuesday, 18 August
Light rain. High 73°, low 56°.
Summit Lake, Wednesday, 19 August
Rain. High 67°, low 61°.
Summit Lake, Thursday, 20 August
Clear. High 79°, low 55°.
Summit Lake, Friday, 21 August
Overcast. High 72°, low 48°.
Summit Lake, Saturday, 22 August
Light rain. High 64°, low 43°.
Summit Lake, Sunday, 23 August
Overcast. High 67°, low 38°.
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 Summit Lake, WI 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 Summit Lake, WI 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.