North Chatham, Sunday, 18 October, 12:15
Clear. Feels like 51°. High 54°, low 31°.
North Chatham, Monday, 19 October
Clear. High 63°, low 35°.
North Chatham, Tuesday, 20 October
Clear. High 60°, low 42°.
North Chatham, Wednesday, 21 October
Clear. High 55°, low 38°.
North Chatham, Thursday, 22 October
Mostly clear. High 58°, low 38°.
North Chatham, Friday, 23 October
Overcast. High 50°, low 37°.
North Chatham, Saturday, 24 October
Clear. High 52°, low 32°.
North Chatham, Sunday, 25 October
Light rain. High 57°, low 34°.
North Chatham, Monday, 26 October
Clear. High 56°, low 40°.
North Chatham, Tuesday, 27 October
Overcast. High 55°, low 36°.
North Chatham, Wednesday, 28 October
Overcast. High 52°, low 31°.
North Chatham, Thursday, 29 October
Rain. High 58°, low 42°.
North Chatham, Friday, 30 October
Rain. High 68°, low 54°.
North Chatham, Saturday, 31 October
Overcast. High 71°, low 50°.
North Chatham, Sunday, 1 November
Light rain. High 70°, low 50°.
North Chatham, Monday, 2 November
Overcast. High 56°, low 42°.
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 North Chatham, 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 North Chatham, 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.