Old Mountain House, Sunday, 9 August, 05:29
Overcast. Feels like 67°. High 83°, low 67°.
Old Mountain House, Monday, 10 August
Light rain. High 84°, low 65°.
Old Mountain House, Tuesday, 11 August
Heavy rain. High 83°, low 63°.
Old Mountain House, Wednesday, 12 August
Light rain. High 80°, low 62°.
Old Mountain House, Thursday, 13 August
Light rain. High 77°, low 60°.
Old Mountain House, Friday, 14 August
Overcast. High 73°, low 51°.
Old Mountain House, Saturday, 15 August
Partly cloudy. High 72°, low 49°.
Old Mountain House, Sunday, 16 August
Overcast. High 70°, low 49°.
Old Mountain House, Monday, 17 August
Mostly clear. High 77°, low 53°.
Old Mountain House, Tuesday, 18 August
Clear. High 81°, low 55°.
Old Mountain House, Wednesday, 19 August
Partly cloudy. High 84°, low 58°.
Old Mountain House, Thursday, 20 August
Mostly clear. High 88°, low 61°.
Old Mountain House, Friday, 21 August
Light rain. High 95°, low 65°.
Old Mountain House, Saturday, 22 August
Light rain. High 91°, low 70°.
Old Mountain House, Sunday, 23 August
Clear. High 96°, low 66°.
Old Mountain House, Monday, 24 August
Light rain. High 97°, low 68°.
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 Old Mountain House, 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 Old Mountain House, 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.