10-day forecast for Newcastle, WA: 40° to 68°, with precipitation expected on 7 days. The table below breaks each day into morning, afternoon, evening and overnight.
68°
Best day: Wednesday, November 11
54° · 0.95 in
Worst day: Tuesday, November 10
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 1168° / 54°0
Morning56°feels 55°
Afternoon68°feels 67°
Evening60°feels 59°
Overnight54°feels 53°
68 °
Newcastle, Wednesday, 11 November
Overcast. High 68°, low 54°.
Pressure29.94 inHg
Wind4.7 mph S
Humidity52%
Visibility6.2 mi
Dew point48°
Thu, 1260° / 55°0
Morning56°feels 55°
Afternoon60°feels 59°
Evening57°feels 55°
Overnight55°feels 54°
60 °
Newcastle, Thursday, 12 November
Overcast. High 60°, low 55°.
Pressure29.74 inHg
Wind1.2 mph N
Humidity76%
Visibility6.2 mi
Dew point50°
Fri, 1364° / 49°0.08
Morning62°feels 60°
Afternoon56°feels 55°
Evening50°feels 49°
Overnight55°feels 53°
64 °
Newcastle, Friday, 13 November
Light rain. High 64°, low 49°.
Pressure29.32 inHg
Wind10.8 mph SW
Humidity70%
Visibility5.6 mi
Dew point46°
Sat, 1458° / 47°0.1
Morning51°feels 50°
Afternoon57°feels 55°
Evening53°feels 52°
Overnight48°feels 48°
58 °
Newcastle, Saturday, 14 November
Light rain. High 58°, low 47°.
Pressure29.71 inHg
Wind10.2 mph S
Humidity63%
Visibility6.2 mi
Dew point45°
Sun, 1554° / 50°0.5
Morning52°feels 51°
Afternoon53°feels 52°
Evening52°feels 51°
Overnight50°feels 49°
54 °
Newcastle, Sunday, 15 November
Light rain. High 54°, low 50°.
Pressure29.74 inHg
Wind12.4 mph SE
Humidity87%
Visibility—
Dew point49°
Mon, 1655° / 48°0.13
Morning49°feels 47°
Afternoon51°feels 50°
Evening52°feels 50°
Overnight49°feels 47°
55 °
Newcastle, Monday, 16 November
Light rain. High 55°, low 48°.
Pressure29.97 inHg
Wind9.5 mph SW
Humidity84%
Visibility—
Dew point46°
Tue, 1755° / 47°0.34
Morning49°feels 47°
Afternoon52°feels 50°
Evening51°feels 50°
Overnight48°feels 47°
55 °
Newcastle, Tuesday, 17 November
Rain. High 55°, low 47°.
Pressure29.91 inHg
Wind6.7 mph S
Humidity71%
Visibility—
Dew point42°
Wed, 1847° / 43°0.52
Morning47°feels 44°
Afternoon47°feels 42°
Evening46°feels 41°
Overnight43°feels 41°
47 °
Newcastle, Wednesday, 18 November
Rain. High 47°, low 43°.
Pressure29.80 inHg
Wind10.7 mph S
Humidity79%
Visibility—
Dew point41°
Thu, 1949° / 40°0
Morning42°feels 41°
Afternoon45°feels 45°
Evening46°feels 44°
Overnight40°feels 40°
49 °
Newcastle, Thursday, 19 November
Overcast. High 49°, low 40°.
Pressure30.15 inHg
Wind4.1 mph SE
Humidity72%
Visibility—
Dew point36°
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.