The Bureau's new website is scheduled to go live on Wednesday 22 October 2025. Explore the new website today at beta.bom.gov.au.

Castle Hill Detailed Forecast (beta)

Map View MetEye

View the current warnings for New South Wales

Thursday 16 October

Rainfall

From 2:00 AM5:00 AM8:00 AM11:00 AM2:00 PM5:00 PM8:00 PM11:00 PM
50% chance of more than (mm) 0 0 0 0 0 0 0
25% chance of more than (mm) 0 0 0 0 0 0 0
10% chance of more than (mm) 0 0 0 0 0 0 0
Chance of any rain 0% 0% 0% 0% 0% 0% 0%

Temperatures

At 2:00 AM5:00 AM8:00 AM11:00 AM2:00 PM5:00 PM8:00 PM11:00 PM
Air temperature (°C) 13 16 25 31 31 25 21
Feels like (°C) 13 16 24 28 27 23 19
Dew point temperature (°C) 13 15 14 6 3 8 9

UV

At 2:00 AM5:00 AM8:00 AM11:00 AM2:00 PM5:00 PM8:00 PM11:00 PM
UV Index 0 1 6 6 1 0 0

Significant Weather

From 2:00 AM5:00 AM8:00 AM11:00 AM2:00 PM5:00 PM8:00 PM11:00 PM
ThunderstormsNoNoNoNoNoNoNo
SnowNoNoNoNoNoNoNo
RainNoNoNoNoNoNoNo
FogYesNoNoNoNoNoNo
FrostNoNoNoNoNoNoNo

Humidity & Wind

At 2:00 AM5:00 AM8:00 AM11:00 AM2:00 PM5:00 PM8:00 PM11:00 PM
Wind speed km/h
knots
6
3
6
3
7
4
11
6
13
7
9
5
9
5
Wind directionNNWNWNNWWNWNNWN
Relative humidity (%) 100 98 53 21 17 33 46
Forest fuel dryness factor 8.4 8.4 8.5 8.5 8.5 8.5 8.5
Mixing height (m) 67 67 879 3380 3289 67 67

Friday 17 October

Rainfall

From 2:00 AM5:00 AM8:00 AM11:00 AM2:00 PM5:00 PM8:00 PM11:00 PM
50% chance of more than (mm) 0 0 0 0 0 0 0 0
25% chance of more than (mm) 0 0 0 1 2 1 1 0
10% chance of more than (mm) 0 0 0 3 6 3 5 1
Chance of any rain 0% 5% 5% 40% 50% 30% 40% 30%

Temperatures

At 2:00 AM5:00 AM8:00 AM11:00 AM2:00 PM5:00 PM8:00 PM11:00 PM
Air temperature (°C) 18 18 23 31 32 27 21 17
Feels like (°C) 16 16 22 28 28 26 20 16
Dew point temperature (°C) 9 10 14 15 15 16 16 15

UV

At 2:00 AM5:00 AM8:00 AM11:00 AM2:00 PM5:00 PM8:00 PM11:00 PM
UV Index 0 0 1 7 7 1 0 0

Significant Weather

From 2:00 AM5:00 AM8:00 AM11:00 AM2:00 PM5:00 PM8:00 PM11:00 PM
ThunderstormsNoNoNoNoYesYesYesNo
SnowNoNoNoNoNoNoNoNo
RainNoNoNoYesYesYesYesYes
FogNoNoNoNoNoNoNoNo
FrostNoNoNoNoNoNoNoNo

Humidity & Wind

At 2:00 AM5:00 AM8:00 AM11:00 AM2:00 PM5:00 PM8:00 PM11:00 PM
Wind speed km/h
knots
11
6
11
6
13
7
26
14
26
14
17
9
15
8
13
7
Wind directionNNWNNWNWNNWWNWWSSESSE
Relative humidity (%) 54 61 57 38 37 51 71 90
Forest fuel dryness factor 8.5 8.5 8.5 8.6 8.6 8.6 8.6 8.6
Mixing height (m) 67 67 67 2276 2339 806 410 594

Saturday 18 October

Rainfall

From 2:00 AM5:00 AM8:00 AM11:00 AM2:00 PM5:00 PM8:00 PM11:00 PM
50% chance of more than (mm) 0
25% chance of more than (mm) 0
10% chance of more than (mm) 0
Chance of any rain 20% 10% 10% 10% 5% 5% 10% 5%

Temperatures

At 2:00 AM5:00 AM8:00 AM11:00 AM2:00 PM5:00 PM8:00 PM11:00 PM
Air temperature (°C) 16 15 16 21 23 20 17 16
Feels like (°C) 15 14 16 19 20 16 14 15
Dew point temperature (°C) 14 13 13 11 10 11 10 11

UV

At 2:00 AM5:00 AM8:00 AM11:00 AM2:00 PM5:00 PM8:00 PM11:00 PM
UV Index 0 0 1 7 7 1 0 0

Significant Weather

From 2:00 AM5:00 AM8:00 AM11:00 AM2:00 PM5:00 PM8:00 PM11:00 PM
ThunderstormsNoNoNoNoNoNoNoNo
SnowNoNoNoNoNoNoNoNo
RainYesYesYesNoNoNoYesNo
FogNoNoNoNoNoNoNoNo
FrostNoNoNoNoNoNoNoNo

Humidity & Wind

At 2:00 AM5:00 AM8:00 AM11:00 AM2:00 PM5:00 PM8:00 PM11:00 PM
Wind speed km/h
knots
11
6
9
5
7
4
9
5
15
8
19
10
13
7
7
4
Wind directionSSSSSEESEESEESEE
Relative humidity (%) 89 89 81 53 46 55 65 73
Forest fuel dryness factor 8.6 8.6 8.6 8.6 8.6 8.6 8.6 8.6
Mixing height (m) 753 739 1026 1696 2062 1595 1277 1096

Sunday 19 October

Rainfall

From 2:00 AM5:00 AM8:00 AM11:00 AM2:00 PM5:00 PM8:00 PM11:00 PM
50% chance of more than (mm)
25% chance of more than (mm)
10% chance of more than (mm)
Chance of any rain 5% 5% 5% 0% 0% 0% 0% 0%

Temperatures

At 2:00 AM5:00 AM8:00 AM11:00 AM2:00 PM5:00 PM8:00 PM11:00 PM
Air temperature (°C) 14 13 16 23 28 27 21 18
Feels like (°C) 14 13 16 20 25 24 19 17
Dew point temperature (°C) 11 12 13 11 10 12 13 13

UV

At 2:00 AM5:00 AM8:00 AM11:00 AM2:00 PM5:00 PM8:00 PM11:00 PM
UV Index 0 0 1 7 7 1 0 0

Significant Weather

From 2:00 AM5:00 AM8:00 AM11:00 AM2:00 PM5:00 PM8:00 PM11:00 PM
ThunderstormsNoNoNoNoNoNoNoNo
SnowNoNoNoNoNoNoNoNo
RainNoNoNoNoNoNoNoNo
FogNoNoNoNoNoNoNoNo
FrostNoNoNoNoNoNoNoNo

Humidity & Wind

At 2:00 AM5:00 AM8:00 AM11:00 AM2:00 PM5:00 PM8:00 PM11:00 PM
Wind speed km/h
knots
6
3
6
3
7
4
15
8
15
8
19
10
15
8
9
5
Wind directionNENNWNNWNNNENENEN
Relative humidity (%) 82 92 80 48 33 40 63 72
Forest fuel dryness factor 8.6 8.6 8.6 8.7 8.7 8.7 8.7 8.7
Mixing height (m) 492 67 833 1631 1873 1535 67 67

Monday 20 October

Rainfall

From 2:00 AM5:00 AM8:00 AM11:00 AM2:00 PM5:00 PM8:00 PM11:00 PM
50% chance of more than (mm)
25% chance of more than (mm)
10% chance of more than (mm)
Chance of any rain 0% 0% 0% 0% 0% 0% 0% 0%

Temperatures

At 2:00 AM5:00 AM8:00 AM11:00 AM2:00 PM5:00 PM8:00 PM11:00 PM
Air temperature (°C) 16 15 19 29 35 35 29 25
Feels like (°C) 15 14 18 27 32 33 28 24
Dew point temperature (°C) 13 12 13 13 12 11 13 14

UV

At 2:00 AM5:00 AM8:00 AM11:00 AM2:00 PM5:00 PM8:00 PM11:00 PM
UV Index 0 0 1 7

Significant Weather

From 2:00 AM5:00 AM8:00 AM11:00 AM2:00 PM5:00 PM8:00 PM11:00 PM
ThunderstormsNoNoNoNoNoNoNoNo
SnowNoNoNoNoNoNoNoNo
RainNoNoNoNoNoNoNoNo
FogNoNoNoNoNoNoNoNo
FrostNoNoNoNoNoNoNoNo

Humidity & Wind

At 2:00 AM5:00 AM8:00 AM11:00 AM2:00 PM5:00 PM8:00 PM11:00 PM
Wind speed km/h
knots
9
5
9
5
9
5
17
9
19
10
17
9
13
7
13
7
Wind directionNNNNWNNWNWNWNNWN
Relative humidity (%) 81 83 68 37 25 24 37 50
Forest fuel dryness factor 8.7 8.7 8.7 8.8 8.8 8.8 8.8 8.8
Mixing height (m) 67 67 67 1155 2184 2335 179 67

Tuesday 21 October

Rainfall

From 2:00 AM5:00 AM8:00 AM11:00 AM2:00 PM5:00 PM8:00 PM11:00 PM
50% chance of more than (mm)
25% chance of more than (mm)
10% chance of more than (mm)
Chance of any rain 0% 5% 5% 20% 20% 40% 40% 30%

Temperatures

At 2:00 AM5:00 AM8:00 AM11:00 AM2:00 PM5:00 PM8:00 PM11:00 PM
Air temperature (°C) 23 21 24 31 33 28 24 21
Feels like (°C) 22 20 23 30 31 26 23 20
Dew point temperature (°C) 14 14 15 15 14 15 16 15

UV

At 2:00 AM5:00 AM8:00 AM11:00 AM2:00 PM5:00 PM8:00 PM11:00 PM
UV Index

Significant Weather

From 2:00 AM5:00 AM8:00 AM11:00 AM2:00 PM5:00 PM8:00 PM11:00 PM
ThunderstormsNoNoNoYesYesYesYesYes
SnowNoNoNoNoNoNoNoNo
RainNoNoNoYesYesYesYesYes
FogNoNoNoNoNoNoNoNo
FrostNoNoNoNoNoNoNoNo

Humidity & Wind

At 2:00 AM5:00 AM8:00 AM11:00 AM2:00 PM5:00 PM8:00 PM11:00 PM
Wind speed km/h
knots
15
8
11
6
11
6
15
8
17
9
19
10
15
8
11
6
Wind directionNNWNNEESESSESSEESEESEESE
Relative humidity (%) 56 63 59 37 32 47 61 69
Forest fuel dryness factor 8.8 8.8 8.8 8.8 8.8 8.8 8.8 8.8
Mixing height (m) 67 67 67 1556 2294 1433 1365 1525

Wednesday 22 October

Rainfall

From 2:00 AM5:00 AM8:00 AM11:00 AM2:00 PM5:00 PM8:00 PM11:00 PM
50% chance of more than (mm)
25% chance of more than (mm)
10% chance of more than (mm)
Chance of any rain 40% 40% 40% 40% 40% 30% 40% 30%

Temperatures

At 2:00 AM5:00 AM8:00 AM11:00 AM2:00 PM5:00 PM8:00 PM11:00 PM
Air temperature (°C) 19 18 17 21 25 22 19 18
Feels like (°C) 19 18 17 20 22 20 18 17
Dew point temperature (°C) 15 15 15 15 13 13 13 13

UV

At 2:00 AM5:00 AM8:00 AM11:00 AM2:00 PM5:00 PM8:00 PM11:00 PM
UV Index

Significant Weather

From 2:00 AM5:00 AM8:00 AM11:00 AM2:00 PM5:00 PM8:00 PM11:00 PM
ThunderstormsNoNoNoNoNoNoNoNo
SnowNoNoNoNoNoNoNoNo
RainYesYesYesYesYesYesYesYes
FogNoNoNoNoNoNoNoNo
FrostNoNoNoNoNoNoNoNo

Humidity & Wind

At 2:00 AM5:00 AM8:00 AM11:00 AM2:00 PM5:00 PM8:00 PM11:00 PM
Wind speed km/h
knots
11
6
11
6
11
6
15
8
17
9
17
9
13
7
11
6
Wind directionESESSEESEESEESEESESSESSW
Relative humidity (%) 79 85 90 68 50 57 67 69
Forest fuel dryness factor 8.8 8.8 8.8 8.9 8.9 8.9 8.9 8.9
Mixing height (m) 1488 1507 1473 1945 2441 2257 2029 1971