Rock Falls Park, Sunday, 9 August, 08:30
Clear. Feels like 70°. High 86°, low 67°.
Rock Falls Park, Monday, 10 August
Heavy rain. High 84°, low 68°.
Rock Falls Park, Tuesday, 11 August
Heavy rain. High 84°, low 61°.
Rock Falls Park, Wednesday, 12 August
Light rain. High 79°, low 63°.
Rock Falls Park, Thursday, 13 August
Light rain. High 73°, low 57°.
Rock Falls Park, Friday, 14 August
Overcast. High 71°, low 52°.
Rock Falls Park, Saturday, 15 August
Overcast. High 71°, low 49°.
Rock Falls Park, Sunday, 16 August
Overcast. High 70°, low 51°.
Rock Falls Park, Monday, 17 August
Mostly clear. High 76°, low 54°.
Rock Falls Park, Tuesday, 18 August
Clear. High 78°, low 58°.
Rock Falls Park, Wednesday, 19 August
Mostly clear. High 81°, low 57°.
Rock Falls Park, Thursday, 20 August
Clear. High 88°, low 63°.
Rock Falls Park, Friday, 21 August
Light rain. High 93°, low 66°.
Rock Falls Park, Saturday, 22 August
Mostly clear. High 88°, low 63°.
Rock Falls Park, Sunday, 23 August
Light rain. High 93°, low 67°.
Rock Falls Park, Monday, 24 August
Rain. High 87°, low 74°.
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 Rock Falls Park, PA 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 Rock Falls Park, PA 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.