See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
15°
Mostly Clear
Feels Like: 15°
Min: 9°
Max: 16°
The next few hours will be mostly clear, with today reaching 16°C and dropping to 7°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
05:54
Sunrise
17:44
Sunset
Moon
Waxing Crescent
08:57
Moonrise
23:03
Moonset
Daily Forecast
Today
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Air Quality Data Available
Upgrade to access real-time air quality data for Hornsby.
Resources
UV Index
Humidity
Weather in Hornsby today, September 16, 2026
Hornsby keeps a mostly sunny profile on September 16, 2026, aside from a cloudier spell around 16:00. Outside that window, bright conditions should still lead the day.
The temperature range runs from about 9°C up to 16°C. Relative humidity sits between 31% and 51%, reaching its peak around 23:00. Winds stay light, near 5.2 km/h by 16:00, so the day feels still more than breezy.
Expect a more open afternoon, with limited cloud around 18% by 16:00. Residual damp risk should be lower than earlier. Expect visibility around 16.1 km. Sunrise is at 05:54 and sunset at 17:44, giving 11 hours 50 minutes of sunlight today.
The practical takeaway for Hornsby is a bright September 16, 2026, ideal for outdoor errands before temperatures ease from about 16°C.
Frequently asked questions about weather in Hornsby
How warm does it get in Hornsby?
The warmest month in Hornsby is January, with average high temperatures of 29°C. The average temperature during this period is around 24°C.
How cold does it get in Hornsby?
The coldest month in Hornsby is July, with average low temperatures of 7°C. The average temperature during this period is around 12°C.
What is the wettest time of year in Hornsby?
The wettest month in Hornsby is March, with an average of 132mm of precipitation.
What is the driest time of year in Hornsby?
The driest month in Hornsby is September, with an average of 44mm of precipitation.
Explore more weather forecasts
- Turramurra, State of New South Wales
- Sydney, State of New South Wales
- Pymble, State of New South Wales
- Melbourne, State of Victoria
- Parramatta, State of New South Wales
- Brisbane, State of Queensland
- Toongabbie West, State of New South Wales
- Perth, State of Western Australia
- Mona Vale, State of New South Wales
- Adelaide, State of South Australia
- Gold Coast, State of Queensland
- Redfern, State of New South Wales
- Canberra, Australian Capital Territory
- Zetland, State of New South Wales
- Newcastle, State of New South Wales
