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Hourly Forecast
Daylight Hours
06:43
Sunrise
18:58
Sunset
Moon
Waxing Crescent
11:32
Moonrise
20:31
Moonset
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Weather in Upper Montclair today, September 15, 2026
Expect a mostly clear day in Upper Montclair on September 15, 2026, with sunshine dominating from morning through evening. Cloud should stay limited, so the overall feel remains bright and settled. Morning skies stay relatively clear, holding cloud close to 3% near 10:00. The early part of the day favours being outside.
The day peaks near 30°C and cools toward 11°C. The air stays humid, with relative humidity between 22% and 85% and the peak around 07:00. Expect gentle winds, highest near 21:00 at 4.7 km/h.
Afternoon conditions open up, holding cloud close to 5% near 14:00. The day finishes on a milder, brighter note. Visibility stays near 16.1 km. Daylight runs from 06:43 to 18:58, lasting 12 hours 15 minutes of sunlight today.
In short, September 15, 2026 looks like a fine day in Upper Montclair for being outside, peaking around 30°C.
Frequently asked questions about weather in Upper Montclair
How warm does it get in Upper Montclair?
The warmest month in Upper Montclair is July, with average high temperatures of 30°C. The average temperature during this period is around 26°C.
How cold does it get in Upper Montclair?
The coldest month in Upper Montclair is January, with average low temperatures of -2°C. The average temperature during this period is around 1°C.
What is the wettest time of year in Upper Montclair?
The wettest month in Upper Montclair is July, with an average of 131mm of precipitation.
What is the driest time of year in Upper Montclair?
The driest month in Upper Montclair is November, with an average of 79mm of precipitation.
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