10-day forecast for Newcastle, TX: 75° to 107°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
107°
Best day: Monday, August 17
100° · 0.05 in
Worst day: Saturday, August 8
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0999° / 75°0
Morning78°feels 78°
Afternoon98°feels 96°
Evening86°feels 86°
Overnight75°feels 75°
99 °
Newcastle, Sunday, 9 August
Clear. High 99°, low 75°.
Pressure29.97 inHg
Wind8.3 mph SW
Humidity31%
Visibility6.2 mi
Dew point61°
Mon, 10103° / 79°0
Morning80°feels 80°
Afternoon101°feels 101°
Evening97°feels 96°
Overnight81°feels 82°
103 °
Newcastle, Monday, 10 August
Clear. High 103°, low 79°.
Pressure29.94 inHg
Wind13.8 mph S
Humidity34%
Visibility6.2 mi
Dew point64°
Tue, 11104° / 81°0
Morning82°feels 85°
Afternoon102°feels 102°
Evening99°feels 97°
Overnight85°feels 85°
104 °
Newcastle, Tuesday, 11 August
Clear. High 104°, low 81°.
Pressure29.94 inHg
Wind15.8 mph S
Humidity27%
Visibility6.2 mi
Dew point59°
Wed, 12105° / 80°0
Morning82°feels 84°
Afternoon103°feels 103°
Evening102°feels 100°
Overnight86°feels 85°
105 °
Newcastle, Wednesday, 12 August
Overcast. High 105°, low 80°.
Pressure29.85 inHg
Wind17.7 mph S
Humidity28%
Visibility6.2 mi
Dew point60°
Thu, 13107° / 81°0
Morning87°feels 87°
Afternoon102°feels 101°
Evening103°feels 101°
Overnight92°feels 91°
107 °
Newcastle, Thursday, 13 August
Partly cloudy. High 107°, low 81°.
Pressure29.80 inHg
Wind21 mph SW
Humidity23%
Visibility—
Dew point54°
Fri, 14106° / 78°0.07
Morning85°feels 86°
Afternoon101°feels 102°
Evening102°feels 101°
Overnight91°feels 89°
106 °
Newcastle, Friday, 14 August
Light rain. High 106°, low 78°.
Pressure29.91 inHg
Wind13.1 mph SW
Humidity27%
Visibility—
Dew point58°
Sat, 15105° / 82°0.02
Morning88°feels 89°
Afternoon102°feels 102°
Evening101°feels 98°
Overnight90°feels 88°
105 °
Newcastle, Saturday, 15 August
Light rain. High 105°, low 82°.
Pressure30.03 inHg
Wind17.1 mph S
Humidity25%
Visibility—
Dew point57°
Sun, 16105° / 82°0
Morning88°feels 89°
Afternoon103°feels 103°
Evening101°feels 100°
Overnight90°feels 89°
105 °
Newcastle, Sunday, 16 August
Overcast. High 105°, low 82°.
Pressure30.06 inHg
Wind15.4 mph SE
Humidity24%
Visibility—
Dew point56°
Mon, 17107° / 81°0
Morning87°feels 87°
Afternoon103°feels 103°
Evening103°feels 101°
Overnight91°feels 89°
107 °
Newcastle, Monday, 17 August
Mostly clear. High 107°, low 81°.
Pressure30.00 inHg
Wind13.6 mph SW
Humidity21%
Visibility—
Dew point53°
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, TX 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.