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Hourly Forecast
Daylight Hours
06:52
Sunrise
19:08
Sunset
Moon
Waxing Crescent
11:51
Moonrise
20:33
Moonset
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Humidity
Weather in Oswego today, September 15, 2026
Oswego stays under cloudy skies on September 15, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open.
Expect highs of 23°C and cooler readings close to 10°C. Relative humidity sits between 38% and 67%, reaching its peak around 23:00. A lighter breeze peaks around 19:00 near 6.6 km/h.
Expect persistent cloud later on, with amounts around 100% by 14:00. Sunshine remains the exception, not the rule. Horizontal visibility holds close to 16.1 km. The sun rises at 06:52 and sets at 19:08, for a total of 12 hours 16 minutes of sunlight today.
In short, cloud leads the story in Oswego on September 15, 2026; expect limited sun and a peak around 23°C.
Frequently asked questions about weather in Oswego
How warm does it get in Oswego?
The warmest month in Oswego is July, with average high temperatures of 25°C. The average temperature during this period is around 22°C.
How cold does it get in Oswego?
The coldest month in Oswego is February, with average low temperatures of -4°C. The average temperature during this period is around -1°C.
What is the wettest time of year in Oswego?
The wettest month in Oswego is October, with an average of 157mm of precipitation.
What is the driest time of year in Oswego?
The driest month in Oswego is September, with an average of 93mm of precipitation.
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