See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
18°
Partly Cloudy
Feels Like: 19°
Min: 18°
Max: 28°
The next few hours will be overcast, with today reaching 28°C and dropping to 17°C. The coming days will be partly cloudy
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:40
Sunrise
18:55
Sunset
Moon
Waxing Crescent
11:34
Moonrise
20:26
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
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Weather in Oswego today, September 15, 2026
Cloud cover dominates in Oswego on September 15, 2026, keeping sunshine limited. Expect a grey, overcast feel rather than long bright spells. Expect a grey start, with morning cloud around 100% by 02:00. Outdoor plans early on should not rely on bright skies.
The day peaks near 28°C and cools toward 18°C. The air stays humid, with relative humidity between 60% and 96% and the peak around 12:00. Expect gentle winds, highest near 04:00 at 6.6 km/h.
Expect persistent cloud later on, with amounts around 100% by 12:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 14.5 km on average, though it can drop toward 2.9 km in thicker cloud or showers. Daylight runs from 06:40 to 18:55, lasting 12 hours 15 minutes of sunlight today.
Taken together, overcast skies in Oswego on September 15, 2026 favour indoor or covered options, with temperatures near 28°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 29°C. The average temperature during this period is around 24°C.
How cold does it get in Oswego?
The coldest month in Oswego is January, with average low temperatures of -7°C. The average temperature during this period is around -4°C.
What is the wettest time of year in Oswego?
The wettest month in Oswego is May, with an average of 125mm of precipitation.
What is the driest time of year in Oswego?
The driest month in Oswego is February, with an average of 54mm of precipitation.
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