10-day forecast for High Island, TX: 78° to 89°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
88°
Best day: Friday, August 14
88° · 0.1 in
Worst day: Sunday, August 9
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1089° / 78°0.02
Morning80°feels 80°
Afternoon86°feels 94°
Evening84°feels 92°
Overnight79°feels 79°
89 °
High Island, Monday, 10 August
Light rain. High 89°, low 78°.
Pressure30.09 inHg
Wind9 mph S
Humidity65%
Visibility6.2 mi
Dew point73°
Tue, 1188° / 81°0
Morning84°feels 92°
Afternoon88°feels 96°
Evening85°feels 93°
Overnight84°feels 92°
88 °
High Island, Tuesday, 11 August
Clear. High 88°, low 81°.
Pressure30.09 inHg
Wind9.2 mph S
Humidity65%
Visibility6.2 mi
Dew point74°
Wed, 1288° / 83°0
Morning84°feels 93°
Afternoon88°feels 98°
Evening84°feels 93°
Overnight84°feels 91°
88 °
High Island, Wednesday, 12 August
Clear. High 88°, low 83°.
Pressure30.03 inHg
Wind11.8 mph SW
Humidity67%
Visibility6.2 mi
Dew point75°
Thu, 1388° / 84°0
Morning85°feels 91°
Afternoon87°feels 95°
Evening85°feels 95°
Overnight84°feels 93°
88 °
High Island, Thursday, 13 August
Clear. High 88°, low 84°.
Pressure30.00 inHg
Wind15.3 mph S
Humidity63%
Visibility—
Dew point73°
Fri, 1488° / 83°0
Morning85°feels 92°
Afternoon88°feels 98°
Evening86°feels 95°
Overnight84°feels 93°
88 °
High Island, Friday, 14 August
Overcast. High 88°, low 83°.
Pressure30.09 inHg
Wind14.4 mph S
Humidity66%
Visibility—
Dew point75°
Sat, 1588° / 83°0
Morning84°feels 92°
Afternoon87°feels 96°
Evening85°feels 91°
Overnight83°feels 89°
88 °
High Island, Saturday, 15 August
Light rain. High 88°, low 83°.
Pressure30.15 inHg
Wind11.9 mph S
Humidity65%
Visibility—
Dew point74°
Sun, 1687° / 81°0
Morning82°feels 87°
Afternoon87°feels 93°
Evening85°feels 90°
Overnight83°feels 87°
87 °
High Island, Sunday, 16 August
Clear. High 87°, low 81°.
Pressure30.15 inHg
Wind11 mph S
Humidity61%
Visibility—
Dew point71°
Mon, 1788° / 82°0
Morning83°feels 89°
Afternoon87°feels 94°
Evening85°feels 92°
Overnight83°feels 89°
88 °
High Island, Monday, 17 August
Clear. High 88°, low 82°.
Pressure30.09 inHg
Wind11.7 mph S
Humidity65%
Visibility—
Dew point73°
Tue, 1888° / 82°0
Morning84°feels 91°
Afternoon87°feels 96°
Evening85°feels 95°
Overnight83°feels 92°
88 °
High Island, Tuesday, 18 August
Clear. High 88°, low 82°.
Pressure30.03 inHg
Wind12.8 mph S
Humidity64%
Visibility—
Dew point73°
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 High Island, 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.