Live Weather & Forecast
Weather in Castle Hill
Australia · Real-time conditions & 3-day outlook
30°C
Feels like 28°C
86°F / Feels 82°F
Overcast
Castle Hill, Australia
🌞 Daytime
Updated: 2026-04-25 14:45
Humidity
16%
Wind
16.6 km/h N
Wind Gust
19 km/h
Pressure
1018 mb
Visibility
10 km
UV Index
4.4
(Moderate)
Precipitation
0 mm
Cloud Cover
100%
Dew Point
1.4°C
Wind Degree
356°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
76.7 μg/m³
NO₂
1.5 μg/m³
O₃
35 μg/m³
SO₂
1 μg/m³
PM 2.5
1.5 μg/m³
PM 10
2.4 μg/m³
Today's Hourly Forecast
24-hour breakdown for Castle Hill, Australia
12 AM
20°
Clear
1 AM
19°
Clear
2 AM
19°
Partly Cloudy
3 AM
19°
Clear
4 AM
19°
Clear
5 AM
18°
Partly Cloudy
6 AM
18°
Clear
7 AM
19°
Sunny
8 AM
21°
Sunny
9 AM
24°
Sunny
10 AM
27°
Partly Cloudy
11 AM
28°
Partly Cloudy
12 PM
29°
Sunny
1 PM
30°
Overcast
2 PM
30°
Overcast
3 PM
30°
Overcast
4 PM
30°
Overcast
5 PM
28°
Overcast
6 PM
27°
Overcast
7 PM
26°
Overcast
8 PM
25°
Clear
9 PM
25°
Clear
10 PM
25°
Partly Cloudy
11 PM
24°
Partly Cloudy
3-Day Forecast
Daily overview for Castle Hill, Australia
Today
Overcast
30°
/
18°
🌧️ 0% chance of rain
💧 Avg. humidity: 22%
💨 Max wind: 21.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 7.2
🌅 Sunrise: 06:55 AM
🌇 Sunset: 06:07 PM
🌙 Waxing Gibbous
🌑 Moon: 60% lit
Sun, Apr 26
Sunny
27°
/
18°
🌧️ 0% chance of rain
💧 Avg. humidity: 36%
💨 Max wind: 20.5 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 6.8
🌅 Sunrise: 06:55 AM
🌇 Sunset: 06:07 PM
🌙 Waxing Gibbous
🌑 Moon: 70% lit
Mon, Apr 27
Sunny
26°
/
16°
🌧️ 0% chance of rain
💧 Avg. humidity: 40%
💨 Max wind: 20.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 7.1
🌅 Sunrise: 06:56 AM
🌇 Sunset: 06:06 PM
🌙 Waxing Gibbous
🌑 Moon: 79% lit
Best Time to Visit Castle Hill
Plan your trip around the most favorable weather conditions in Castle Hill, Australia.
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 Castle Hill?
Current conditions in Castle Hill: Overcast, temperature 30°C, humidity 16%.
What is the best time to visit Castle Hill?
The best time to visit Castle Hill is typically December – March. Southern hemisphere summer — warm and generally dry.
What is the climate like in Castle Hill?
Castle Hill shares the climate of Australia. It has a temperate southern hemisphere climate.
Does it rain a lot in Castle Hill?
Rainfall patterns in Castle Hill vary by season. Peak rainfall typically occurs outside of the dry season.
What should I pack for Castle Hill?
For visits during December – March: light clothing and sun protection. For the June – September period: layers and a waterproof jacket are recommended for Castle Hill.
What country is Castle Hill in?
Castle Hill is a state/province of Australia.
What are the public holidays in Castle Hill in 2026?
View the full list of 2026 public holidays for Castle Hill on our Holidays page.
What are the coordinates for the weather forecast in Castle Hill?
The weather forecast for Castle Hill is based on coordinates -27, 133.