Massbach, Saturday, 8 August, 18:15
Clear. Feels like 83°. High 81°, low 66°.
Massbach, Sunday, 9 August
Heavy rain. High 87°, low 63°.
Massbach, Monday, 10 August
Light rain. High 85°, low 72°.
Massbach, Tuesday, 11 August
Rain. High 87°, low 70°.
Massbach, Wednesday, 12 August
Light rain. High 83°, low 67°.
Massbach, Thursday, 13 August
Light rain. High 73°, low 61°.
Massbach, Friday, 14 August
Clear. High 74°, low 57°.
Massbach, Saturday, 15 August
Overcast. High 75°, low 55°.
Massbach, Sunday, 16 August
Overcast. High 75°, low 56°.
Massbach, Monday, 17 August
Light rain. High 84°, low 65°.
Massbach, Tuesday, 18 August
Overcast. High 83°, low 67°.
Massbach, Wednesday, 19 August
Light rain. High 84°, low 67°.
Massbach, Thursday, 20 August
Light rain. High 77°, low 64°.
Massbach, Friday, 21 August
Light rain. High 81°, low 63°.
Massbach, Saturday, 22 August
Light rain. High 71°, low 55°.
Massbach, Sunday, 23 August
Clear. High 69°, low 44°.
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 Massbach, 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 Massbach, 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.