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Hourly Forecast
Daylight Hours
06:54
Sunrise
19:29
Sunset
Moon
Waning Crescent
04:51
Moonrise
18:55
Moonset
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Weather in Oshawa today, September 09, 2026
Expect a muted, overcast feel in Oshawa on September 09, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief. Expect a grey start, with morning cloud around 100% by 11:00. Outdoor plans early on should not rely on bright skies.
Expect highs of 23°C and cooler readings close to 19°C. The air stays humid, with relative humidity between 82% and 96% and the peak around 11:00. A lighter breeze peaks around 19:00 near 6.0 km/h.
Afternoon skies stay clogged, peaking close to 100% near 12:00. The grey theme continues rather than clearing out. Visibility holds near 13.5 km, though it can fall to 6.5 km. Sunrise is at 06:54 and sunset at 19:29, giving 12 hours 35 minutes of sunlight today.
Taken together, overcast skies in Oshawa on September 09, 2026 favour indoor or covered options, with temperatures near 23°C.
Frequently asked questions about weather in Oshawa
How warm does it get in Oshawa?
The warmest month in Oshawa is July, with average high temperatures of 27°C. The average temperature during this period is around 22°C.
How cold does it get in Oshawa?
The coldest month in Oshawa is January, with average low temperatures of -8°C. The average temperature during this period is around -5°C.
What is the wettest time of year in Oshawa?
The wettest month in Oshawa is April, with an average of 101mm of precipitation.
What is the driest time of year in Oshawa?
The driest month in Oshawa is September, with an average of 62mm of precipitation.
