South Jefferson, Sunday, 9 August, 12:56
Mostly clear. Feels like 77°. High 78°, low 60°.
South Jefferson, Monday, 10 August
Light rain. High 75°, low 58°.
South Jefferson, Tuesday, 11 August
Overcast. High 75°, low 55°.
South Jefferson, Wednesday, 12 August
Light rain. High 77°, low 54°.
South Jefferson, Thursday, 13 August
Light rain. High 69°, low 53°.
South Jefferson, Friday, 14 August
Light rain. High 65°, low 46°.
South Jefferson, Saturday, 15 August
Clear. High 66°, low 41°.
South Jefferson, Sunday, 16 August
Overcast. High 66°, low 44°.
South Jefferson, Monday, 17 August
Light rain. High 56°, low 50°.
South Jefferson, Tuesday, 18 August
Partly cloudy. High 72°, low 48°.
South Jefferson, Wednesday, 19 August
Rain. High 76°, low 54°.
South Jefferson, Thursday, 20 August
Light rain. High 62°, low 55°.
South Jefferson, Friday, 21 August
Clear. High 72°, low 47°.
South Jefferson, Saturday, 22 August
Clear. High 78°, low 51°.
South Jefferson, Sunday, 23 August
Heavy rain. High 68°, low 53°.
South Jefferson, Monday, 24 August
Clear. High 66°, low 46°.
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 South Jefferson, 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 South Jefferson, 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.