Mount Penn, Saturday, 8 August, 14:21
Overcast. Feels like 97°. High 85°, low 71°.
Mount Penn, Sunday, 9 August
Mostly clear. High 86°, low 70°.
Mount Penn, Monday, 10 August
Rain. High 86°, low 69°.
Mount Penn, Tuesday, 11 August
Rain. High 88°, low 68°.
Mount Penn, Wednesday, 12 August
Light rain. High 81°, low 68°.
Mount Penn, Thursday, 13 August
Heavy rain. High 88°, low 69°.
Mount Penn, Friday, 14 August
Rain. High 78°, low 61°.
Mount Penn, Saturday, 15 August
Clear. High 78°, low 56°.
Mount Penn, Sunday, 16 August
Clear. High 81°, low 59°.
Mount Penn, Monday, 17 August
Light rain. High 65°, low 58°.
Mount Penn, Tuesday, 18 August
Light rain. High 66°, low 59°.
Mount Penn, Wednesday, 19 August
Light rain. High 82°, low 67°.
Mount Penn, Thursday, 20 August
Light rain. High 68°, low 55°.
Mount Penn, Friday, 21 August
Clear. High 71°, low 49°.
Mount Penn, Saturday, 22 August
Mostly clear. High 72°, low 50°.
Mount Penn, Sunday, 23 August
Light rain. High 76°, low 52°.
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 Mount Penn, 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 Mount Penn, 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.