10-day forecast for Lewiston, LA: 73° 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
91°
Worst day: Sunday, August 9
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1097° / 73°0.01
Morning78°feels 79°
Afternoon89°feels 90°
Evening85°feels 89°
Overnight77°feels 78°
97 °
Lewiston, Monday, 10 August
Light rain. High 97°, low 73°.
Pressure30.09 inHg
Wind2.4 mph SE
Humidity46%
Visibility6.2 mi
Dew point70°
Tue, 1199° / 74°0
Morning78°feels 80°
Afternoon96°feels 101°
Evening83°feels 88°
Overnight75°feels 77°
99 °
Lewiston, Tuesday, 11 August
Mostly clear. High 99°, low 74°.
Pressure30.12 inHg
Wind4.7 mph S
Humidity48%
Visibility6.2 mi
Dew point70°
Wed, 1298° / 74°0
Morning79°feels 79°
Afternoon98°feels 103°
Evening84°feels 90°
Overnight76°feels 77°
98 °
Lewiston, Wednesday, 12 August
Clear. High 98°, low 74°.
Pressure30.09 inHg
Wind4.7 mph SW
Humidity47%
Visibility6.2 mi
Dew point70°
Thu, 1395° / 75°0
Morning79°feels 79°
Afternoon98°feels 102°
Evening85°feels 90°
Overnight76°feels 78°
95 °
Lewiston, Thursday, 13 August
Light rain. High 95°, low 75°.
Pressure30.03 inHg
Wind5.3 mph SW
Humidity45%
Visibility6.2 mi
Dew point69°
Fri, 1499° / 73°0
Morning80°feels 81°
Afternoon95°feels 98°
Evening89°feels 92°
Overnight81°feels 84°
99 °
Lewiston, Friday, 14 August
Partly cloudy. High 99°, low 73°.
Pressure30.09 inHg
Wind8.1 mph S
Humidity35%
Visibility—
Dew point61°
Sat, 15101° / 74°0
Morning81°feels 83°
Afternoon98°feels 101°
Evening91°feels 93°
Overnight80°feels 82°
101 °
Lewiston, Saturday, 15 August
Mostly clear. High 101°, low 74°.
Pressure30.15 inHg
Wind5.7 mph S
Humidity34%
Visibility—
Dew point62°
Sun, 1699° / 75°0
Morning82°feels 85°
Afternoon98°feels 103°
Evening89°feels 94°
Overnight85°feels 87°
99 °
Lewiston, Sunday, 16 August
Overcast. High 99°, low 75°.
Pressure30.12 inHg
Wind6.1 mph SE
Humidity36%
Visibility—
Dew point65°
Mon, 17103° / 74°0.02
Morning82°feels 84°
Afternoon100°feels 105°
Evening92°feels 98°
Overnight82°feels 85°
103 °
Lewiston, Monday, 17 August
Light rain. High 103°, low 74°.
Pressure30.09 inHg
Wind6.1 mph S
Humidity34%
Visibility—
Dew point64°
Tue, 18103° / 76°0
Morning83°feels 86°
Afternoon100°feels 106°
Evening94°feels 99°
Overnight83°feels 86°
103 °
Lewiston, Tuesday, 18 August
Mostly clear. High 103°, low 76°.
Pressure30.03 inHg
Wind6 mph SW
Humidity35%
Visibility—
Dew point65°
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 Lewiston, 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.