10-day forecast for Lewistown, LA: 75° to 101°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
101°
Best day: Tuesday, August 18
90° · 0.11 in
Worst day: Monday, August 10
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1090° / 78°0.11
Morning82°feels 90°
Afternoon88°feels 92°
Evening86°feels 98°
Overnight78°feels 79°
90 °
Lewistown, Monday, 10 August
Light rain. High 90°, low 78°.
Pressure30.12 inHg
Wind5.3 mph SE
Humidity57%
Visibility6.2 mi
Dew point73°
Tue, 1193° / 77°0.03
Morning82°feels 88°
Afternoon91°feels 100°
Evening82°feels 88°
Overnight77°feels 79°
93 °
Lewistown, Tuesday, 11 August
Light rain. High 93°, low 77°.
Pressure30.09 inHg
Wind5.2 mph SE
Humidity51%
Visibility6.2 mi
Dew point72°
Wed, 1292° / 77°0.05
Morning82°feels 88°
Afternoon89°feels 98°
Evening83°feels 89°
Overnight77°feels 79°
92 °
Lewistown, Wednesday, 12 August
Light rain. High 92°, low 77°.
Pressure30.03 inHg
Wind6.5 mph S
Humidity52%
Visibility6.2 mi
Dew point72°
Thu, 1398° / 76°0
Morning81°feels 86°
Afternoon95°feels 100°
Evening86°feels 90°
Overnight77°feels 79°
98 °
Lewistown, Thursday, 13 August
Clear. High 98°, low 76°.
Pressure30.03 inHg
Wind12.9 mph S
Humidity40%
Visibility—
Dew point65°
Fri, 1498° / 76°0
Morning82°feels 83°
Afternoon95°feels 98°
Evening87°feels 92°
Overnight79°feels 79°
98 °
Lewistown, Friday, 14 August
Clear. High 98°, low 76°.
Pressure30.09 inHg
Wind11.9 mph S
Humidity36%
Visibility—
Dew point62°
Sat, 1599° / 76°0
Morning82°feels 84°
Afternoon96°feels 99°
Evening86°feels 90°
Overnight78°feels 79°
99 °
Lewistown, Saturday, 15 August
Clear. High 99°, low 76°.
Pressure30.15 inHg
Wind11.5 mph SW
Humidity33%
Visibility—
Dew point61°
Sun, 1698° / 77°0
Morning83°feels 85°
Afternoon96°feels 102°
Evening86°feels 92°
Overnight80°feels 83°
98 °
Lewistown, Sunday, 16 August
Light rain. High 98°, low 77°.
Pressure30.12 inHg
Wind8.3 mph SW
Humidity38%
Visibility—
Dew point65°
Mon, 1799° / 77°0.02
Morning83°feels 86°
Afternoon97°feels 104°
Evening89°feels 95°
Overnight80°feels 83°
99 °
Lewistown, Monday, 17 August
Light rain. High 99°, low 77°.
Pressure30.06 inHg
Wind10.3 mph SW
Humidity38%
Visibility—
Dew point66°
Tue, 18101° / 77°0
Morning84°feels 86°
Afternoon98°feels 102°
Evening88°feels 93°
Overnight80°feels 83°
101 °
Lewistown, Tuesday, 18 August
Partly cloudy. High 101°, low 77°.
Pressure30.00 inHg
Wind12.9 mph SW
Humidity34%
Visibility—
Dew point63°
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 Lewistown, 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.