Clarks Summit, Saturday, 8 August, 16:22
Overcast. Feels like 89°. High 84°, low 67°.
Clarks Summit, Sunday, 9 August
Clear. High 82°, low 67°.
Clarks Summit, Monday, 10 August
Light rain. High 82°, low 66°.
Clarks Summit, Tuesday, 11 August
Heavy rain. High 86°, low 64°.
Clarks Summit, Wednesday, 12 August
Rain. High 76°, low 65°.
Clarks Summit, Thursday, 13 August
Light rain. High 75°, low 54°.
Clarks Summit, Friday, 14 August
Clear. High 70°, low 49°.
Clarks Summit, Saturday, 15 August
Overcast. High 66°, low 45°.
Clarks Summit, Sunday, 16 August
Clear. High 74°, low 45°.
Clarks Summit, Monday, 17 August
Overcast. High 78°, low 52°.
Clarks Summit, Tuesday, 18 August
Light rain. High 76°, low 62°.
Clarks Summit, Wednesday, 19 August
Overcast. High 74°, low 55°.
Clarks Summit, Thursday, 20 August
Overcast. High 77°, low 52°.
Clarks Summit, Friday, 21 August
Heavy rain. High 62°, low 56°.
Clarks Summit, Saturday, 22 August
Partly cloudy. High 78°, low 56°.
Clarks Summit, Sunday, 23 August
Mostly clear. High 65°, low 46°.
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 Clarks Summit, 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 Clarks Summit, 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.