Arnots Addition, Sunday, 9 August, 00:43
Mostly clear. Feels like 72°. High 83°, low 68°.
Arnots Addition, Monday, 10 August
Light rain. High 85°, low 68°.
Arnots Addition, Tuesday, 11 August
Rain. High 86°, low 67°.
Arnots Addition, Wednesday, 12 August
Rain. High 81°, low 65°.
Arnots Addition, Thursday, 13 August
Mostly clear. High 77°, low 57°.
Arnots Addition, Friday, 14 August
Clear. High 75°, low 52°.
Arnots Addition, Saturday, 15 August
Clear. High 76°, low 53°.
Arnots Addition, Sunday, 16 August
Overcast. High 77°, low 53°.
Arnots Addition, Monday, 17 August
Light rain. High 72°, low 58°.
Arnots Addition, Tuesday, 18 August
Light rain. High 64°, low 62°.
Arnots Addition, Wednesday, 19 August
Rain. High 70°, low 63°.
Arnots Addition, Thursday, 20 August
Rain. High 73°, low 62°.
Arnots Addition, Friday, 21 August
Clear. High 74°, low 54°.
Arnots Addition, Saturday, 22 August
Partly cloudy. High 75°, low 50°.
Arnots Addition, Sunday, 23 August
Light rain. High 78°, low 58°.
Arnots Addition, Monday, 24 August
Clear. High 82°, low 65°.
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 Arnots Addition, 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 Arnots Addition, 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.