10-day forecast for Mercedes, TX: 77° to 102°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
102°
Best day: Sunday, August 16
96° · 0.04 in
Worst day: Sunday, August 9
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 10100° / 78°0
Morning80°feels 85°
Afternoon100°feels 106°
Evening88°feels 91°
Overnight80°feels 84°
100 °
Mercedes, Monday, 10 August
Clear. High 100°, low 78°.
Pressure30.00 inHg
Wind16.5 mph S
Humidity39%
Visibility6.2 mi
Dew point67°
Tue, 11101° / 79°0
Morning81°feels 87°
Afternoon100°feels 105°
Evening89°feels 94°
Overnight82°feels 88°
101 °
Mercedes, Tuesday, 11 August
Clear. High 101°, low 79°.
Pressure30.00 inHg
Wind15.4 mph SE
Humidity39%
Visibility6.2 mi
Dew point68°
Wed, 1299° / 81°0
Morning82°feels 90°
Afternoon100°feels 101°
Evening88°feels 94°
Overnight82°feels 90°
99 °
Mercedes, Wednesday, 12 August
Clear. High 99°, low 81°.
Pressure29.94 inHg
Wind20.2 mph SE
Humidity34%
Visibility6.2 mi
Dew point65°
Thu, 13101° / 82°0
Morning83°feels 90°
Afternoon98°feels 102°
Evening91°feels 97°
Overnight83°feels 90°
101 °
Mercedes, Thursday, 13 August
Clear. High 101°, low 82°.
Pressure29.88 inHg
Wind21.1 mph SE
Humidity34%
Visibility—
Dew point64°
Fri, 1499° / 82°0
Morning87°feels 93°
Afternoon98°feels 102°
Evening89°feels 96°
Overnight85°feels 93°
99 °
Mercedes, Friday, 14 August
Partly cloudy. High 99°, low 82°.
Pressure29.97 inHg
Wind20.1 mph SE
Humidity34%
Visibility—
Dew point64°
Sat, 1599° / 82°0
Morning85°feels 92°
Afternoon92°feels 97°
Evening88°feels 94°
Overnight83°feels 91°
99 °
Mercedes, Saturday, 15 August
Overcast. High 99°, low 82°.
Pressure30.09 inHg
Wind16.8 mph SE
Humidity45%
Visibility—
Dew point67°
Sun, 16102° / 79°0
Morning85°feels 86°
Afternoon99°feels 101°
Evening91°feels 94°
Overnight82°feels 87°
102 °
Mercedes, Sunday, 16 August
Clear. High 102°, low 79°.
Pressure30.06 inHg
Wind18.7 mph E
Humidity31%
Visibility—
Dew point61°
Mon, 17102° / 77°0
Morning83°feels 84°
Afternoon98°feels 98°
Evening92°feels 96°
Overnight82°feels 87°
102 °
Mercedes, Monday, 17 August
Clear. High 102°, low 77°.
Pressure30.03 inHg
Wind18.5 mph SE
Humidity28%
Visibility—
Dew point57°
Tue, 18102° / 78°0
Morning84°feels 86°
Afternoon98°feels 102°
Evening91°feels 96°
Overnight83°feels 88°
102 °
Mercedes, Tuesday, 18 August
Clear. High 102°, low 78°.
Pressure29.94 inHg
Wind17.8 mph SE
Humidity33%
Visibility—
Dew point62°
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 Mercedes, 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.