10-day forecast for Newcastle, WA: 37° to 56°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
52°
Best day: Thursday, November 19
56° · 0.34 in
Worst day: Sunday, November 15
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 1556° / 45°0.34
Morning50°feels 47°
Afternoon54°feels 53°
Evening48°feels 47°
Overnight55°feels 53°
56 °
Newcastle, Sunday, 15 November
Rain. High 56°, low 45°.
Pressure29.85 inHg
Wind7.9 mph S
Humidity77%
Visibility4.3 mi
Dew point47°
Mon, 1653° / 43°0.24
Morning45°feels 42°
Afternoon53°feels 51°
Evening45°feels 45°
Overnight44°feels 44°
53 °
Newcastle, Monday, 16 November
Rain. High 53°, low 43°.
Pressure30.09 inHg
Wind5 mph SW
Humidity74%
Visibility6.2 mi
Dew point43°
Tue, 1750° / 41°0.05
Morning41°feels 41°
Afternoon51°feels 49°
Evening44°feels 41°
Overnight43°feels 43°
50 °
Newcastle, Tuesday, 17 November
Light rain. High 50°, low 41°.
Pressure29.94 inHg
Wind1.8 mph NW
Humidity80%
Visibility6.2 mi
Dew point43°
Wed, 1852° / 40°0.01
Morning43°feels 41°
Afternoon48°feels 47°
Evening49°feels 47°
Overnight40°feels 36°
52 °
Newcastle, Wednesday, 18 November
Light rain. High 52°, low 40°.
Pressure29.88 inHg
Wind5.9 mph N
Humidity72%
Visibility—
Dew point38°
Thu, 1952° / 38°0
Morning40°feels 40°
Afternoon45°feels 44°
Evening47°feels 46°
Overnight40°feels 39°
52 °
Newcastle, Thursday, 19 November
Clear. High 52°, low 38°.
Pressure30.09 inHg
Wind4.8 mph NW
Humidity86%
Visibility—
Dew point39°
Fri, 2048° / 37°0
Morning39°feels 39°
Afternoon43°feels 43°
Evening45°feels 45°
Overnight40°feels 40°
48 °
Newcastle, Friday, 20 November
Clear. High 48°, low 37°.
Pressure29.94 inHg
Wind2.6 mph E
Humidity68%
Visibility—
Dew point32°
Sat, 2146° / 39°0.02
Morning40°feels 38°
Afternoon44°feels 42°
Evening45°feels 45°
Overnight42°feels 42°
46 °
Newcastle, Saturday, 21 November
Light rain. High 46°, low 39°.
Pressure30.06 inHg
Wind3.7 mph E
Humidity71%
Visibility—
Dew point34°
Sun, 2250° / 42°0
Morning44°feels 42°
Afternoon46°feels 45°
Evening47°feels 47°
Overnight45°feels 44°
50 °
Newcastle, Sunday, 22 November
Overcast. High 50°, low 42°.
Pressure29.88 inHg
Wind4.6 mph E
Humidity66%
Visibility—
Dew point35°
Mon, 2353° / 43°0.13
Morning46°feels 46°
Afternoon49°feels 48°
Evening49°feels 49°
Overnight45°feels 44°
53 °
Newcastle, Monday, 23 November
Light rain. High 53°, low 43°.
Pressure29.91 inHg
Wind3.8 mph E
Humidity76%
Visibility—
Dew point41°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Newcastle, WA around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.