See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
25°
Partly Cloudy
Feels Like: 28°
Min: 24°
Max: 30°
The next few hours will be mostly cloudy, with today reaching 30°C and dropping to 25°C. The coming days will be clear from afternoon until night.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:16
Sunrise
19:24
Sunset
Moon
Waxing Crescent
12:35
Moonrise
22:00
Moonset
Daily Forecast
Today
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
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Humidity
Weather in St. Marys today, September 16, 2026
St. Marys stays under cloudy skies on September 16, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. Expect a grey start, with morning cloud around 90% by 05:00. Outdoor plans early on should not rely on bright skies.
Temperatures climb from an overnight low near 24°C toward a daytime high of about 30°C. Expect humidity between 47% and 84%, most humid near 21:00. Airflow remains manageable, reaching about 7.6 km/h around 22:00.
Afternoon skies stay clogged, peaking close to 100% near 14:00. The grey theme continues rather than clearing out. Expect visibility around 16.1 km. Expect sunrise at 07:16, sunset at 19:24, and 12 hours 8 minutes of sunlight today overall.
In short, cloud leads the story in St. Marys on September 16, 2026; expect limited sun and a peak around 30°C.
Frequently asked questions about weather in St. Marys
How warm does it get in St. Marys?
The warmest month in St. Marys is July, with average high temperatures of 31°C. The average temperature during this period is around 28°C.
How cold does it get in St. Marys?
The coldest month in St. Marys is January, with average low temperatures of 9°C. The average temperature during this period is around 13°C.
What is the wettest time of year in St. Marys?
The wettest month in St. Marys is August, with an average of 190mm of precipitation.
What is the driest time of year in St. Marys?
The driest month in St. Marys is November, with an average of 59mm of precipitation.
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