Live Weather & Forecast
Weather in Hornsby
New South Wales, Australia · Real-time conditions & 3-day outlook
20°C
Feels like 20°C
68°F / Feels 68°F
Sunny
Hornsby, New South Wales
🌞 Daytime
Updated: 2026-04-25 10:30
Humidity
73%
Wind
3.6 km/h NW
Wind Gust
4.1 km/h
Pressure
1031 mb
Visibility
10 km
UV Index
3
(Moderate)
Precipitation
0 mm
Cloud Cover
25%
Dew Point
12.5°C
Wind Degree
305°
Air Quality Index
US EPA: Good
UK DEFRA: Low (2)
CO
243.9 μg/m³
NO₂
31.1 μg/m³
O₃
17 μg/m³
SO₂
4.4 μg/m³
PM 2.5
14.4 μg/m³
PM 10
16.5 μg/m³
Today's Hourly Forecast
24-hour breakdown for Hornsby, New South Wales
12 AM
15°
Patchy rain nearby
1 AM
15°
Patchy rain nearby
2 AM
16°
Patchy rain nearby
3 AM
16°
Patchy rain nearby
4 AM
16°
Patchy rain nearby
5 AM
16°
Patchy rain nearby
6 AM
16°
Overcast
7 AM
16°
Cloudy
8 AM
17°
Cloudy
9 AM
19°
Sunny
10 AM
20°
Sunny
11 AM
23°
Sunny
12 PM
24°
Sunny
1 PM
24°
Sunny
2 PM
24°
Sunny
3 PM
24°
Sunny
4 PM
23°
Sunny
5 PM
21°
Sunny
6 PM
20°
Clear
7 PM
19°
Clear
8 PM
19°
Clear
9 PM
18°
Clear
10 PM
17°
Clear
11 PM
16°
Partly Cloudy
3-Day Forecast
Daily overview for Hornsby, New South Wales
Today
Patchy rain nearby
24°
/
15°
🌧️ 85% chance of rain
💧 Avg. humidity: 71%
💨 Max wind: 17.3 km/h
🌧️ Total precip: 0.26 mm
☀️ UV Index: 4.8
🌅 Sunrise: 06:25 AM
🌇 Sunset: 05:22 PM
🌙 Waxing Gibbous
🌑 Moon: 60% lit
Sun, Apr 26
Sunny
24°
/
13°
🌧️ 0% chance of rain
💧 Avg. humidity: 67%
💨 Max wind: 18.4 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 4.9
🌅 Sunrise: 06:26 AM
🌇 Sunset: 05:21 PM
🌙 Waxing Gibbous
🌑 Moon: 70% lit
Mon, Apr 27
Sunny
24°
/
13°
🌧️ 0% chance of rain
💧 Avg. humidity: 67%
💨 Max wind: 16.9 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 4.6
🌅 Sunrise: 06:27 AM
🌇 Sunset: 05:20 PM
🌙 Waxing Gibbous
🌑 Moon: 79% lit
Best Time to Visit Hornsby
Plan your trip to Hornsby, Australia around the most favorable weather conditions.
Peak Season
December – March
Southern hemisphere summer — warm and generally dry.
Shoulder Season
April – May, November
Fewer crowds, moderate prices, mild weather.
Off Season
June – September
Cooler winter months; indoor activities preferred.
Frequently Asked Questions
What is the current weather in Hornsby?
Current conditions in Hornsby: Sunny, temperature 20°C, humidity 73%.
What is the best time to visit Hornsby?
The best time to visit Hornsby is typically December – March. Southern hemisphere summer — warm and generally dry.
What is the climate like in Hornsby?
Hornsby is located at approximately -33.7° latitude. It experiences a temperate southern hemisphere climate.
Does it rain a lot in Hornsby?
The wettest period in Hornsby is typically during June – September. Cooler winter months; indoor activities preferred.
What should I pack for a trip to Hornsby?
For visits to Hornsby during December – March: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What country is Hornsby in?
Hornsby is located in Australia, in the state of New South Wales.
What are the public holidays in Hornsby in 2026?
View the 2026 public holidays for Hornsby on our Holidays page.
What are the GPS coordinates used for the weather forecast in Hornsby?
The weather forecast for Hornsby uses coordinates -33.704, 151.1006.
What is the current temperature outside in Hornsby?
The current outdoor temperature in Hornsby is 20°C (68°F) with sunny.
What is the hourly weather forecast for Hornsby today?
Today's hour-by-hour weather breakdown for Hornsby is shown in the Hourly Forecast section above, including temperature, rain chance, and conditions for each hour of the day.
What is the weather in Hornsby tomorrow hour by hour?
Tomorrow's forecast for Hornsby shows a high of 24°C and a low of 13°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in Hornsby?
There is a 85% chance of rain in Hornsby today. Check the hourly forecast above for a time-by-time breakdown of when rain is most likely.
Is it going to rain today in Hornsby?
Yes, there is a 85% chance of rain in Hornsby today — consider carrying an umbrella. Check the hourly forecast above for the most likely rain windows.