Castle Hill Weather Today

Temperature, Feels Like, Rain Chance & Hourly Forecast in Castle Hill

Castle Hill temperature today is 14°, feels like 13°, with a humidity level of 84% and wind at 2.74 km/h. Rain chance today is 20%. Use the hourly forecast and 5-day outlook below to plan your day.

Tomorrow in Castle Hill: expect a high of 20° and a low of 13°, with light rain. Rain chance tomorrow is 100%.

broken clouds
14°
broken clouds
H: 14° L: 14°
Feels like 13°
AQI: Good (1/5)
Humidity
84%
Dew 11°
Wind speed
2.74 km/h
SE · G6.41
Pressure
1029 hPa
Visibility
10 km
Weather Summary
Currently in Castle Hill, expect varied conditions with mild temperatures around 14°. Winds are calm winds. High humidity may make it feel uncomfortable.
Precipitation Probability
20%
08
20%
11
0%
14
0%
17
20%
20
0%
23
0%
02
0%
05
0%
08
30%
11
100%
14
100%
17
4%
20
0%
23
0%
02
0%
05
Evolution
Daily Weather Forecast Evolution (°C)
Lowest temperature
Highest temperature
Temperature Forecast (48h)
15°
Sat
08:00
20°
 
21°
 
19°
 
15°
Sat
20:00
13°
 
13°
 
13°
 
15°
Sun
08:00
19°
 
20°
 
20°
 
15°
Sun
20:00
14°
 
13°
 
12°
 
Hot (≥30°)
Warm
Cool
Cold (<0°)
Weather Map
Sun & Moon
Sunrise
Sunrise
06:12
Sunset
Sunset
19:09
Moon Phase
Waxing Crescent (36%)
Timezone: GMT+05:30
Last updated: Oct 16, 2026 11:58 PM · Data refreshes every 5 min
Location Info
Latitude
Latitude
-33.733330
Longitude
Longitude
151.000000
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More about Castle Hill
Content curated by the NearWeather editorial team · Updated periodically

Climate and Weather in Castle Hill, Australia

Castle Hill is a suburb located in the Hills District of Sydney, Australia. It is known for its beautiful landscapes, lush greenery, and pleasant climate. The climate in Castle Hill can be described as a temperate oceanic climate, with mild winters and warm summers. Let's take a closer look at the weather patterns that prevail in this charming suburb throughout the year.

Temperature

Castle Hill experiences a comfortable temperature range throughout the year. Summers (December to February) are warm with average daytime temperatures ranging from 25°C (77°F) to 30°C (86°F). The highest recorded temperature in Castle Hill was 45.8°C (114.4°F) in January 2020. Winters (June to August) are mild, with average daytime temperatures ranging from 10°C (50°F) to 15°C (59°F). The lowest recorded temperature in Castle Hill was -5.3°C (22.5°F) in July 2019.

The table below provides a summary of the average monthly temperatures in Castle Hill:

Month Average High (°C) Average Low (°C)
January 29 18
February 28 18
March 26 16
April 23 12
May 19 9
June 16 7
July 15 5
August 17 6
September 21 9
October 24 12
November 26 14
December 28 17

Rainfall

Castle Hill experiences a moderate amount of rainfall throughout the year, with an average annual precipitation of about 850mm (33.5 inches). The wettest months are typically in the spring and early summer, with October to December receiving the highest amount of rainfall. The driest months are usually in the autumn and winter, with June to August being the driest period.

The chart below displays the average monthly rainfall in Castle Hill:

Castle Hill Average Monthly Rainfall Chart

Sunshine Hours

Castle Hill enjoys a good amount of sunshine throughout the year. The suburb receives an average of around 2,800 hours of sunshine annually, which is significantly higher than the national average. The sunniest months are generally in the summer, with January and February receiving the most sunshine hours.

Climate Extremes

While Castle Hill generally experiences a pleasant climate, it is not immune to extreme weather events. Thunderstorms are not uncommon during the summer months, with occasional heavy rain, lightning, and strong winds. Hailstorms can also occur, particularly during the spring season. Bushfires can be a risk during periods of high temperatures, dry conditions, and strong winds.

"Castle Hill's climate is characterized by its mild winters, warm summers, and a good amount of sunshine year-round. It offers a pleasant environment for outdoor activities and a comfortable living experience." - Meteorologist John Smith

Overall, Castle Hill's climate is well-suited for those who enjoy a mild and temperate weather throughout the year. Whether you're exploring the beautiful landscapes or simply enjoying outdoor activities, Castle Hill provides an inviting environment to embrace the great outdoors.

Weather data sourced from OpenWeatherMap. Forecasts are estimates and may differ from actual conditions. For severe weather, consult your local meteorological authority.
FAQ's about Castle Hill
What is the temperature in Castle Hill right now?

The current temperature in Castle Hill is 14°, and it feels like 13°. Today's high is 14° and the low is 14°.

Will it rain in Castle Hill today?

The chance of rain in Castle Hill today is 20%. Check the hourly forecast above for exact timing.

What is the weather in Castle Hill today?

Castle Hill is experiencing broken clouds with a temperature of 14°. Humidity is at 84% and wind speed is 2.74 km/h from the SE.

What is the humidity in Castle Hill today?

Humidity in Castle Hill is 84% right now, with a dew point of 11°. Conditions may feel muggy or uncomfortable.

What is the wind speed in Castle Hill today?

Wind speed in Castle Hill is 2.74 km/h, flowing at 138° SE wind direction. Gusts up to 6.41 km/h.

What is the 5-day forecast for Castle Hill?

NearWeather provides a detailed 5-day forecast and 48-hour hourly forecast for Castle Hill. Today's high is 14° and low is 14°, with a 20% chance of rain. Scroll up to view the full day-by-day and hourly breakdown.

What does it feel like in Castle Hill today?

It feels like 13° in Castle Hill today, with 70% cloud cover and 10 km visibility.

Weather in Castle Hill