10-day forecast for High Island, LA: 73° to 105°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
105°
Best day: Tuesday, August 18
96° · 0.04 in
Worst day: Sunday, August 9
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1093° / 74°0
Morning78°feels 79°
Afternoon93°feels 93°
Evening84°feels 86°
Overnight77°feels 78°
93 °
High Island, Monday, 10 August
Partly cloudy. High 93°, low 74°.
Pressure30.06 inHg
Wind5.3 mph S
Humidity41%
Visibility6.2 mi
Dew point67°
Tue, 11102° / 75°0
Morning79°feels 79°
Afternoon100°feels 103°
Evening90°feels 92°
Overnight80°feels 80°
102 °
High Island, Tuesday, 11 August
Clear. High 102°, low 75°.
Pressure30.06 inHg
Wind7.1 mph SW
Humidity40%
Visibility6.2 mi
Dew point67°
Wed, 12104° / 76°0
Morning79°feels 79°
Afternoon102°feels 104°
Evening91°feels 93°
Overnight81°feels 84°
104 °
High Island, Wednesday, 12 August
Clear. High 104°, low 76°.
Pressure29.97 inHg
Wind6.6 mph SW
Humidity37%
Visibility6.2 mi
Dew point66°
Thu, 13103° / 76°0
Morning80°feels 80°
Afternoon102°feels 104°
Evening97°feels 98°
Overnight82°feels 86°
103 °
High Island, Thursday, 13 August
Overcast. High 103°, low 76°.
Pressure29.97 inHg
Wind6.2 mph SW
Humidity34%
Visibility6.2 mi
Dew point64°
Fri, 14104° / 73°0
Morning81°feels 82°
Afternoon99°feels 99°
Evening95°feels 94°
Overnight83°feels 83°
104 °
High Island, Friday, 14 August
Partly cloudy. High 104°, low 73°.
Pressure30.03 inHg
Wind8.2 mph S
Humidity26%
Visibility—
Dew point55°
Sat, 15105° / 74°0
Morning82°feels 84°
Afternoon100°feels 105°
Evening98°feels 99°
Overnight84°feels 83°
105 °
High Island, Saturday, 15 August
Clear. High 105°, low 74°.
Pressure30.09 inHg
Wind9 mph S
Humidity36%
Visibility—
Dew point65°
Sun, 16105° / 73°0
Morning81°feels 82°
Afternoon100°feels 100°
Evening95°feels 95°
Overnight82°feels 82°
105 °
High Island, Sunday, 16 August
Mostly clear. High 105°, low 73°.
Pressure30.09 inHg
Wind7.9 mph S
Humidity25%
Visibility—
Dew point55°
Mon, 17104° / 74°0
Morning82°feels 83°
Afternoon99°feels 102°
Evening96°feels 96°
Overnight84°feels 85°
104 °
High Island, Monday, 17 August
Clear. High 104°, low 74°.
Pressure30.03 inHg
Wind7.9 mph S
Humidity31%
Visibility—
Dew point61°
Tue, 18105° / 75°0
Morning82°feels 84°
Afternoon101°feels 103°
Evening96°feels 98°
Overnight84°feels 84°
105 °
High Island, Tuesday, 18 August
Clear. High 105°, low 75°.
Pressure30.00 inHg
Wind7.4 mph S
Humidity30%
Visibility—
Dew point61°
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, LA 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.