10-day forecast for Port Allen, LA: 74° to 103°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
103°
Best day: Tuesday, August 18
94°
Worst day: Monday, August 10
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1094° / 78°0
Morning84°feels 95°
Afternoon94°feels 98°
Evening90°feels 101°
Overnight79°feels 79°
94 °
Port Allen, Monday, 10 August
Light rain. High 94°, low 78°.
Pressure30.09 inHg
Wind4.4 mph S
Humidity46%
Visibility6.2 mi
Dew point70°
Tue, 11101° / 75°0
Morning81°feels 86°
Afternoon99°feels 103°
Evening87°feels 94°
Overnight76°feels 78°
101 °
Port Allen, Tuesday, 11 August
Mostly clear. High 101°, low 75°.
Pressure30.09 inHg
Wind5 mph S
Humidity44%
Visibility6.2 mi
Dew point69°
Wed, 12101° / 77°0
Morning81°feels 87°
Afternoon100°feels 105°
Evening86°feels 92°
Overnight78°feels 80°
101 °
Port Allen, Wednesday, 12 August
Clear. High 101°, low 77°.
Pressure30.03 inHg
Wind4.2 mph SW
Humidity43%
Visibility6.2 mi
Dew point70°
Thu, 1396° / 77°0.01
Morning82°feels 89°
Afternoon95°feels 102°
Evening89°feels 93°
Overnight78°feels 79°
96 °
Port Allen, Thursday, 13 August
Light rain. High 96°, low 77°.
Pressure30.03 inHg
Wind9.3 mph SW
Humidity50%
Visibility6.2 mi
Dew point72°
Fri, 14101° / 74°0
Morning81°feels 83°
Afternoon97°feels 99°
Evening90°feels 91°
Overnight79°feels 79°
101 °
Port Allen, Friday, 14 August
Overcast. High 101°, low 74°.
Pressure30.09 inHg
Wind11.3 mph SW
Humidity32%
Visibility—
Dew point60°
Sat, 15102° / 75°0
Morning82°feels 84°
Afternoon98°feels 101°
Evening91°feels 93°
Overnight79°feels 79°
102 °
Port Allen, Saturday, 15 August
Clear. High 102°, low 75°.
Pressure30.15 inHg
Wind12.2 mph S
Humidity31%
Visibility—
Dew point60°
Sun, 16101° / 75°0
Morning82°feels 84°
Afternoon99°feels 101°
Evening92°feels 95°
Overnight80°feels 83°
101 °
Port Allen, Sunday, 16 August
Clear. High 101°, low 75°.
Pressure30.12 inHg
Wind10.9 mph S
Humidity29%
Visibility—
Dew point59°
Mon, 17102° / 77°0
Morning83°feels 86°
Afternoon99°feels 102°
Evening91°feels 96°
Overnight81°feels 84°
102 °
Port Allen, Monday, 17 August
Clear. High 102°, low 77°.
Pressure30.06 inHg
Wind11.7 mph SW
Humidity32%
Visibility—
Dew point62°
Tue, 18103° / 77°0
Morning84°feels 87°
Afternoon101°feels 107°
Evening94°feels 99°
Overnight82°feels 86°
103 °
Port Allen, Tuesday, 18 August
Clear. High 103°, low 77°.
Pressure30.03 inHg
Wind9.5 mph S
Humidity35%
Visibility—
Dew point66°
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 Port Allen, 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.