Port Byron, Saturday, 8 August, 17:17
Mostly clear. Feels like 89°. High 84°, low 69°.
Port Byron, Sunday, 9 August
Clear. High 88°, low 68°.
Port Byron, Monday, 10 August
Light rain. High 82°, low 65°.
Port Byron, Tuesday, 11 August
Light rain. High 84°, low 63°.
Port Byron, Wednesday, 12 August
Light rain. High 81°, low 63°.
Port Byron, Thursday, 13 August
Light rain. High 68°, low 56°.
Port Byron, Friday, 14 August
Light rain. High 68°, low 51°.
Port Byron, Saturday, 15 August
Light rain. High 68°, low 55°.
Port Byron, Sunday, 16 August
Partly cloudy. High 75°, low 51°.
Port Byron, Monday, 17 August
Overcast. High 79°, low 58°.
Port Byron, Tuesday, 18 August
Rain. High 73°, low 62°.
Port Byron, Wednesday, 19 August
Overcast. High 72°, low 57°.
Port Byron, Thursday, 20 August
Partly cloudy. High 76°, low 54°.
Port Byron, Friday, 21 August
Overcast. High 71°, low 58°.
Port Byron, Saturday, 22 August
Light rain. High 68°, low 53°.
Port Byron, Sunday, 23 August
Light rain. High 65°, low 50°.
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 Port Byron, NY 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 Port Byron, NY 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.