10-day forecast for Newcastle, WY: 30° to 64°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
64°
Best day: Saturday, October 31
47° · 0.11 in
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 3164° / 43°0
Morning46°feels 43°
Afternoon64°feels 62°
Evening47°feels 44°
Overnight46°feels 43°
64 °
Newcastle, Saturday, 31 October
Overcast. High 64°, low 43°.
Pressure29.94 inHg
Wind9.1 mph S
Humidity59%
Visibility6.2 mi
Dew point44°
Sun, 0163° / 46°0.04
Morning46°feels 44°
Afternoon63°feels 61°
Evening51°feels 51°
Overnight47°feels 44°
63 °
Newcastle, Sunday, 1 November
Light rain. High 63°, low 46°.
Pressure29.85 inHg
Wind10.6 mph S
Humidity45%
Visibility6.2 mi
Dew point41°
Mon, 0249° / 37°0.12
Morning46°feels 40°
Afternoon42°feels 34°
Evening38°feels 28°
Overnight48°feels 46°
49 °
Newcastle, Monday, 2 November
Light rain. High 49°, low 37°.
Pressure29.83 inHg
Wind17.7 mph NW
Humidity89%
Visibility6.1 mi
Dew point42°
Tue, 0347° / 36°0.11
Morning37°feels 29°
Afternoon46°feels 40°
Evening40°feels 36°
Overnight36°feels 26°
47 °
Newcastle, Tuesday, 3 November
Light rain. High 47°, low 36°.
Pressure30.12 inHg
Wind12.7 mph N
Humidity73%
Visibility6.2 mi
Dew point36°
Wed, 0450° / 30°0
Morning34°feels 34°
Afternoon44°feels 43°
Evening43°feels 39°
Overnight34°feels 31°
50 °
Newcastle, Wednesday, 4 November
Overcast. High 50°, low 30°.
Pressure29.97 inHg
Wind7.3 mph NW
Humidity76%
Visibility—
Dew point35°
Thu, 0554° / 33°0
Morning40°feels 35°
Afternoon50°feels 47°
Evening47°feels 45°
Overnight43°feels 39°
54 °
Newcastle, Thursday, 5 November
Mostly clear. High 54°, low 33°.
Pressure29.97 inHg
Wind8.1 mph NW
Humidity44%
Visibility—
Dew point28°
Fri, 0656° / 40°0
Morning44°feels 41°
Afternoon52°feels 49°
Evening49°feels 47°
Overnight46°feels 44°
56 °
Newcastle, Friday, 6 November
Overcast. High 56°, low 40°.
Pressure29.77 inHg
Wind7 mph E
Humidity38%
Visibility—
Dew point26°
Sat, 0750° / 35°0
Morning46°feels 42°
Afternoon49°feels 42°
Evening42°feels 35°
Overnight37°feels 32°
50 °
Newcastle, Saturday, 7 November
Overcast. High 50°, low 35°.
Pressure30.03 inHg
Wind18.7 mph N
Humidity42%
Visibility—
Dew point27°
Sun, 0856° / 34°0
Morning39°feels 34°
Afternoon51°feels 48°
Evening45°feels 43°
Overnight39°feels 36°
56 °
Newcastle, Sunday, 8 November
Clear. High 56°, low 34°.
Pressure30.24 inHg
Wind7.6 mph NW
Humidity28%
Visibility—
Dew point18°
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, WY 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.