10-day forecast for Newcastle, WY: 31° to 63°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
63°
Best day: Tuesday, November 10
50° · 0.58 in
Worst day: Monday, November 2
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 0349° / 31°0
Morning36°feels 29°
Afternoon49°feels 45°
Evening32°feels 25°
Overnight34°feels 25°
49 °
Newcastle, Tuesday, 3 November
Clear. High 49°, low 31°.
Pressure30.12 inHg
Wind10.2 mph NW
Humidity49%
Visibility6.2 mi
Dew point24°
Wed, 0451° / 31°0
Morning40°feels 34°
Afternoon51°feels 48°
Evening40°feels 34°
Overnight32°feels 25°
51 °
Newcastle, Wednesday, 4 November
Overcast. High 51°, low 31°.
Pressure29.88 inHg
Wind10.9 mph NW
Humidity41%
Visibility6.2 mi
Dew point19°
Thu, 0557° / 34°0
Morning40°feels 37°
Afternoon57°feels 54°
Evening42°feels 42°
Overnight34°feels 30°
57 °
Newcastle, Thursday, 5 November
Clear. High 57°, low 34°.
Pressure30.00 inHg
Wind2.5 mph W
Humidity38%
Visibility6.2 mi
Dew point24°
Fri, 0654° / 38°0
Morning43°feels 42°
Afternoon52°feels 49°
Evening42°feels 41°
Overnight38°feels 34°
54 °
Newcastle, Friday, 6 November
Clear. High 54°, low 38°.
Pressure30.03 inHg
Wind7.5 mph NW
Humidity40%
Visibility—
Dew point28°
Sat, 0745° / 35°0
Morning37°feels 33°
Afternoon42°feels 33°
Evening39°feels 34°
Overnight36°feels 33°
45 °
Newcastle, Saturday, 7 November
Mostly clear. High 45°, low 35°.
Pressure30.21 inHg
Wind20.2 mph NW
Humidity58%
Visibility—
Dew point27°
Sun, 0854° / 35°0
Morning40°feels 36°
Afternoon51°feels 48°
Evening48°feels 46°
Overnight43°feels 41°
54 °
Newcastle, Sunday, 8 November
Partly cloudy. High 54°, low 35°.
Pressure30.15 inHg
Wind4.7 mph NE
Humidity29%
Visibility—
Dew point19°
Mon, 0959° / 44°0
Morning47°feels 44°
Afternoon55°feels 52°
Evening48°feels 47°
Overnight44°feels 41°
59 °
Newcastle, Monday, 9 November
Overcast. High 59°, low 44°.
Pressure30.15 inHg
Wind12.1 mph NW
Humidity37%
Visibility—
Dew point29°
Tue, 1063° / 44°0
Morning48°feels 46°
Afternoon59°feels 56°
Evening53°feels 50°
Overnight49°feels 46°
63 °
Newcastle, Tuesday, 10 November
Partly cloudy. High 63°, low 44°.
Pressure30.09 inHg
Wind7.3 mph NW
Humidity29%
Visibility—
Dew point25°
Wed, 1161° / 45°0
Morning49°feels 48°
Afternoon58°feels 55°
Evening51°feels 48°
Overnight47°feels 45°
61 °
Newcastle, Wednesday, 11 November
Clear. High 61°, low 45°.
Pressure30.24 inHg
Wind5 mph E
Humidity32%
Visibility—
Dew point28°
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.