Home › Australia › New South Wales › Castle Hill

Weather in Castle Hill

New South Wales · 39,284 inhabitants · Thursday, October 29 · updated 21:44

Air: Good Hot · 1 d Low storm risk · Sun, Mon, Tue

15°

Clear sky

Feels like 15°C

Wind

1 km/h

Gusts

3 km/h

Humidity

82 %

Pressure

1026 hPa

Clouds

1 %

Storm

Rise 05:58 Set 19:20 Day 13 h 21 min UV 11 · Very high

Detailed forecast

Trend

Evening

Clear sky

17°15°

Feels like 17°

Wind ↑ ESE 9 km/h

Humidity 67 %

23:00

15°

NW 1

02:00

14°

WNW 4

05:00

12°

W 4

08:00

17°

NNW 5

Weather charts for Castle Hill · 7 days

Temperatures over 7 days

≈ Temperatures close to seasonal normals

Highs Lows Seasonal normal (1991-2020 average)

Hourly detail

Temperature (°C) Precipitation (mm) Wind (km/h)

Climate of Castle Hill

January is the warmest month, with average highs of 28 °C. July is the coldest, with average lows of 7 °C.

Daylight lasts 9 h 54 min at the June solstice and 14 h 23 min at the December solstice.

About 710 mm of rain falls in a typical year, less than in 73% of the 28,403 cities of 20,000+ inhabitants on SkiesAtlas.

This week’s forecast highs average 26 °C, 2 °C above the October normal (24 °C).

Monthly averages, 1991–2020
Month	Avg high	Avg low	Rain
Jan	28 °C	19 °C	72 mm
Feb	28 °C	19 °C	92 mm
Mar	26 °C	17 °C	72 mm
Apr	24 °C	13 °C	56 mm
May	20 °C	10 °C	48 mm
Jun	17 °C	8 °C	65 mm
Jul	17 °C	7 °C	37 mm
Aug	19 °C	7 °C	38 mm
Sep	21 °C	10 °C	42 mm
Oct	24 °C	13 °C	53 mm
Nov	25 °C	15 °C	72 mm
Dec	27 °C	17 °C	63 mm
Year	23 °C	13 °C	710 mm

Climate normals: ERA5 reanalysis 1991–2020 (Copernicus/ECMWF), computed by SkiesAtlas for 33.73° S, 151.00° E. ERA5 averages over a 0.25° grid (about 25 km): hills, a coastline or the heat of the city itself can shift local values by a degree or two.

Air quality & pollen in Castle Hill

1/6

Good

European Air Quality Index (EAQI) · CAMS source

PM2.52µg/m³

PM103µg/m³

CAMS data (Copernicus) · air quality and pollen refreshed several times a day.

Rain in Castle Hill: live radar and next-hour forecast

Will it rain in Castle Hill? Track precipitation live on the radar and anticipate showers in the next hour — the +1 h extrapolation is based on the real movement of rain cells.

Full-screen radar · rain within the hour

Rain radar Observed, then extrapolation up to +1h (real cell movement) · drag the timeline

Moon calendar for Castle Hill

Waning gibbous

87 % illuminated · 18.3 days

Rise 13:56 Set 23:51

Fri 30/10 79%

Sat 31/10 69%

Sun 1/11 59%

Mon 2/11 49% Last quarter

Tue 3/11 38%

Wed 4/11 28%

Thu 5/11 19%

Fri 6/11 12%

Sat 7/11 6%

Sun 8/11 2%

Mon 9/11 0%

Tue 10/11 1% New moon

Rise and set in local time (Australia/Sydney) · phases and illumination computed by SkiesAtlas (synodic model).

Weather history for Castle Hill

What was the weather in Castle Hill on a past date? Pick a day — ERA5 reanalysis data (ECMWF / Copernicus C3S), available up to one week ago.

The weather in Castle Hill

Find the full weather for Castle Hill, New South Wales: current conditions, forecast by time of day (morning, afternoon, evening) and a 7-day trend. Right now the sky is “clear sky” with 15 °C (feels like 15 °C) and wind at 1 km/h.

Today, temperatures range from 12 °C to 25 °C, with no significant precipitation, with a storm risk to watch, under strong heat. Forecast computed by our multi-model engine SkiesAtlas (ECMWF-AIFS, NOAA GFS, DWD ICON): cloud cover calibrated on METAR observations, convective energy (CAPE) for storms.

Nearby cities

Sydney 24 km 17°

Central Coast 48 km 15°

Pittwater 29 km 20°

Blacktown 9 km 22°

Auburn 13 km 17°

Baulkham Hills 3 km 17°

Weather API for Castle Hill

Get the Castle Hill forecast in JSON for your website or app, plus air quality, tides and astronomy. Free API key, no credit card required.

Get a free API key

How is this forecast computed? Multi-model engine, verified daily against 1125 weather stations