Upper Fairfield, Saturday, 8 August, 18:41
Mostly clear. Feels like 88°. High 84°, low 69°.
Upper Fairfield, Sunday, 9 August
Clear. High 88°, low 68°.
Upper Fairfield, Monday, 10 August
Rain. High 84°, low 67°.
Upper Fairfield, Tuesday, 11 August
Rain. High 87°, low 66°.
Upper Fairfield, Wednesday, 12 August
Rain. High 82°, low 65°.
Upper Fairfield, Thursday, 13 August
Light rain. High 73°, low 59°.
Upper Fairfield, Friday, 14 August
Clear. High 73°, low 51°.
Upper Fairfield, Saturday, 15 August
Mostly clear. High 72°, low 48°.
Upper Fairfield, Sunday, 16 August
Clear. High 77°, low 48°.
Upper Fairfield, Monday, 17 August
Overcast. High 82°, low 53°.
Upper Fairfield, Tuesday, 18 August
Light rain. High 79°, low 63°.
Upper Fairfield, Wednesday, 19 August
Overcast. High 77°, low 58°.
Upper Fairfield, Thursday, 20 August
Overcast. High 76°, low 54°.
Upper Fairfield, Friday, 21 August
Rain. High 68°, low 58°.
Upper Fairfield, Saturday, 22 August
Mostly clear. High 82°, low 61°.
Upper Fairfield, Sunday, 23 August
Clear. High 69°, low 49°.
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 Upper Fairfield, 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 Upper Fairfield, 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.