10-day forecast for Mount Vernon, TX: 76° to 110°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
110°
Best day: Tuesday, August 18
99°
Worst day: Sunday, August 9
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1099° / 77°0
Morning78°feels 79°
Afternoon97°feels 98°
Evening90°feels 91°
Overnight77°feels 78°
99 °
Mount Vernon, Monday, 10 August
Clear. High 99°, low 77°.
Pressure30.03 inHg
Wind9.1 mph S
Humidity38%
Visibility6.2 mi
Dew point64°
Tue, 11101° / 77°0
Morning79°feels 79°
Afternoon99°feels 103°
Evening90°feels 92°
Overnight81°feels 84°
101 °
Mount Vernon, Tuesday, 11 August
Clear. High 101°, low 77°.
Pressure30.00 inHg
Wind12.5 mph SW
Humidity44%
Visibility6.2 mi
Dew point69°
Wed, 12105° / 78°0
Morning80°feels 84°
Afternoon102°feels 103°
Evening94°feels 93°
Overnight84°feels 88°
105 °
Mount Vernon, Wednesday, 12 August
Partly cloudy. High 105°, low 78°.
Pressure29.91 inHg
Wind12.5 mph SW
Humidity34%
Visibility6.2 mi
Dew point64°
Thu, 13105° / 79°0
Morning85°feels 85°
Afternoon100°feels 100°
Evening99°feels 98°
Overnight85°feels 89°
105 °
Mount Vernon, Thursday, 13 August
Partly cloudy. High 105°, low 79°.
Pressure29.91 inHg
Wind16.8 mph S
Humidity26%
Visibility—
Dew point56°
Fri, 14105° / 77°0
Morning83°feels 84°
Afternoon101°feels 100°
Evening100°feels 99°
Overnight87°feels 85°
105 °
Mount Vernon, Friday, 14 August
Clear. High 105°, low 77°.
Pressure30.00 inHg
Wind16.6 mph S
Humidity26%
Visibility—
Dew point56°
Sat, 15106° / 78°0
Morning84°feels 86°
Afternoon102°feels 103°
Evening101°feels 100°
Overnight88°feels 87°
106 °
Mount Vernon, Saturday, 15 August
Clear. High 106°, low 78°.
Pressure30.09 inHg
Wind13.7 mph SW
Humidity27%
Visibility—
Dew point58°
Sun, 16109° / 81°0
Morning87°feels 90°
Afternoon103°feels 107°
Evening99°feels 100°
Overnight92°feels 92°
109 °
Mount Vernon, Sunday, 16 August
Partly cloudy. High 109°, low 81°.
Pressure30.06 inHg
Wind13.1 mph SW
Humidity27%
Visibility—
Dew point61°
Mon, 17109° / 78°0
Morning85°feels 85°
Afternoon105°feels 105°
Evening103°feels 102°
Overnight88°feels 86°
109 °
Mount Vernon, Monday, 17 August
Partly cloudy. High 109°, low 78°.
Pressure30.00 inHg
Wind11.4 mph SW
Humidity21%
Visibility—
Dew point54°
Tue, 18110° / 78°0
Morning86°feels 86°
Afternoon106°feels 106°
Evening104°feels 103°
Overnight89°feels 87°
110 °
Mount Vernon, Tuesday, 18 August
Clear. High 110°, low 78°.
Pressure29.94 inHg
Wind12.8 mph SW
Humidity20%
Visibility—
Dew point53°
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 Mount Vernon, 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.