10-day forecast for Decatur, TX: 78° to 111°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
111°
Best day: Tuesday, August 18
99°
Worst day: Monday, August 10
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1099° / 78°0
Morning78°feels 79°
Afternoon98°feels 97°
Evening96°feels 95°
Overnight78°feels 79°
99 °
Decatur, Monday, 10 August
Clear. High 99°, low 78°.
Pressure29.97 inHg
Wind12.2 mph S
Humidity32%
Visibility6.2 mi
Dew point63°
Tue, 11105° / 79°0
Morning80°feels 83°
Afternoon103°feels 103°
Evening99°feels 98°
Overnight84°feels 85°
105 °
Decatur, Tuesday, 11 August
Clear. High 105°, low 79°.
Pressure29.94 inHg
Wind14.5 mph SW
Humidity31%
Visibility6.2 mi
Dew point63°
Wed, 12106° / 78°0
Morning80°feels 80°
Afternoon104°feels 104°
Evening100°feels 97°
Overnight86°feels 87°
106 °
Decatur, Wednesday, 12 August
Mostly clear. High 106°, low 78°.
Pressure29.88 inHg
Wind14.7 mph S
Humidity30%
Visibility6.2 mi
Dew point63°
Thu, 13106° / 78°0
Morning85°feels 85°
Afternoon102°feels 101°
Evening101°feels 98°
Overnight87°feels 87°
106 °
Decatur, Thursday, 13 August
Partly cloudy. High 106°, low 78°.
Pressure29.85 inHg
Wind18.9 mph S
Humidity23%
Visibility—
Dew point54°
Fri, 14106° / 78°0
Morning85°feels 85°
Afternoon101°feels 102°
Evening102°feels 98°
Overnight87°feels 85°
106 °
Decatur, Friday, 14 August
Mostly clear. High 106°, low 78°.
Pressure29.94 inHg
Wind22.3 mph S
Humidity28%
Visibility—
Dew point59°
Sat, 15107° / 79°0
Morning86°feels 86°
Afternoon102°feels 103°
Evening103°feels 102°
Overnight92°feels 91°
107 °
Decatur, Saturday, 15 August
Clear. High 107°, low 79°.
Pressure30.06 inHg
Wind17.9 mph S
Humidity26%
Visibility—
Dew point58°
Sun, 16108° / 79°0
Morning86°feels 86°
Afternoon103°feels 103°
Evening101°feels 100°
Overnight89°feels 88°
108 °
Decatur, Sunday, 16 August
Clear. High 108°, low 79°.
Pressure30.06 inHg
Wind16.6 mph SE
Humidity25%
Visibility—
Dew point57°
Mon, 17109° / 79°0
Morning86°feels 85°
Afternoon103°feels 101°
Evening102°feels 100°
Overnight89°feels 87°
109 °
Decatur, Monday, 17 August
Clear. High 109°, low 79°.
Pressure29.97 inHg
Wind15.8 mph SE
Humidity17%
Visibility—
Dew point47°
Tue, 18111° / 78°0
Morning86°feels 85°
Afternoon106°feels 103°
Evening104°feels 101°
Overnight89°feels 87°
111 °
Decatur, Tuesday, 18 August
Clear. High 111°, low 78°.
Pressure29.91 inHg
Wind15.4 mph SE
Humidity15%
Visibility—
Dew point46°
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 Decatur, 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.