Old Zollarsville, Sunday, 9 August, 13:43
Mostly clear. Feels like 88°. High 84°, low 68°.
Old Zollarsville, Monday, 10 August
Heavy rain. High 83°, low 68°.
Old Zollarsville, Tuesday, 11 August
Heavy rain. High 82°, low 65°.
Old Zollarsville, Wednesday, 12 August
Rain. High 81°, low 66°.
Old Zollarsville, Thursday, 13 August
Clear. High 79°, low 64°.
Old Zollarsville, Friday, 14 August
Light rain. High 77°, low 58°.
Old Zollarsville, Saturday, 15 August
Overcast. High 73°, low 51°.
Old Zollarsville, Sunday, 16 August
Light rain. High 75°, low 53°.
Old Zollarsville, Monday, 17 August
Light rain. High 74°, low 61°.
Old Zollarsville, Tuesday, 18 August
Overcast. High 80°, low 56°.
Old Zollarsville, Wednesday, 19 August
Light rain. High 79°, low 60°.
Old Zollarsville, Thursday, 20 August
Overcast. High 68°, low 57°.
Old Zollarsville, Friday, 21 August
Partly cloudy. High 77°, low 53°.
Old Zollarsville, Saturday, 22 August
Rain. High 86°, low 58°.
Old Zollarsville, Sunday, 23 August
Rain. High 72°, low 58°.
Old Zollarsville, Monday, 24 August
Clear. High 74°, 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 Old Zollarsville, 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 Zollarsville, 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.