Chesnut Hill, Sunday, 9 August, 00:40
Partly cloudy. Feels like 74°. High 87°, low 72°.
Chesnut Hill, Monday, 10 August
Mostly clear. High 88°, low 71°.
Chesnut Hill, Tuesday, 11 August
Light rain. High 89°, low 69°.
Chesnut Hill, Wednesday, 12 August
Rain. High 84°, low 69°.
Chesnut Hill, Thursday, 13 August
Light rain. High 82°, low 60°.
Chesnut Hill, Friday, 14 August
Clear. High 77°, low 55°.
Chesnut Hill, Saturday, 15 August
Clear. High 79°, low 55°.
Chesnut Hill, Sunday, 16 August
Partly cloudy. High 80°, low 54°.
Chesnut Hill, Monday, 17 August
Light rain. High 77°, low 56°.
Chesnut Hill, Tuesday, 18 August
Light rain. High 69°, low 64°.
Chesnut Hill, Wednesday, 19 August
Light rain. High 76°, low 64°.
Chesnut Hill, Thursday, 20 August
Rain. High 78°, low 64°.
Chesnut Hill, Friday, 21 August
Clear. High 77°, low 56°.
Chesnut Hill, Saturday, 22 August
Clear. High 77°, low 52°.
Chesnut Hill, Sunday, 23 August
Light rain. High 79°, low 58°.
Chesnut Hill, Monday, 24 August
Light rain. High 84°, low 67°.
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 Chesnut Hill, 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 Chesnut Hill, 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.