10-day forecast for Decatur, GA: 69° to 101°, with precipitation expected on 7 days. The table below breaks each day into morning, afternoon, evening and overnight.
101°
Best day: Tuesday, August 18
94° · 0.2 in
Worst day: Friday, August 14
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1093° / 73°0.1
Morning73°feels 74°
Afternoon86°feels 85°
Evening82°feels 85°
Overnight77°feels 77°
93 °
Decatur, Monday, 10 August
Rain. High 93°, low 73°.
Pressure30.15 inHg
Wind4.8 mph W
Humidity44%
Visibility6.2 mi
Dew point67°
Tue, 1195° / 75°0.08
Morning76°feels 78°
Afternoon95°feels 97°
Evening84°feels 89°
Overnight78°feels 79°
95 °
Decatur, Tuesday, 11 August
Light rain. High 95°, low 75°.
Pressure30.09 inHg
Wind6.4 mph W
Humidity46%
Visibility6.2 mi
Dew point68°
Wed, 1295° / 78°0.04
Morning78°feels 78°
Afternoon95°feels 98°
Evening79°feels 79°
Overnight79°feels 79°
95 °
Decatur, Wednesday, 12 August
Light rain. High 95°, low 78°.
Pressure30.00 inHg
Wind11.9 mph W
Humidity40%
Visibility6.2 mi
Dew point65°
Thu, 1396° / 76°0.02
Morning81°feels 83°
Afternoon94°feels 97°
Evening91°feels 93°
Overnight84°feels 87°
96 °
Decatur, Thursday, 13 August
Light rain. High 96°, low 76°.
Pressure29.97 inHg
Wind10 mph NW
Humidity39%
Visibility—
Dew point63°
Fri, 1494° / 77°0.2
Morning83°feels 85°
Afternoon93°feels 98°
Evening86°feels 91°
Overnight77°feels 78°
94 °
Decatur, Friday, 14 August
Rain. High 94°, low 77°.
Pressure30.06 inHg
Wind8.3 mph W
Humidity42%
Visibility—
Dew point65°
Sat, 1590° / 76°0.09
Morning79°feels 80°
Afternoon80°feels 80°
Evening79°feels 79°
Overnight77°feels 78°
90 °
Decatur, Saturday, 15 August
Light rain. High 90°, low 76°.
Pressure30.18 inHg
Wind9.4 mph NW
Humidity73%
Visibility—
Dew point70°
Sun, 1696° / 74°0.03
Morning80°feels 82°
Afternoon93°feels 98°
Evening87°feels 92°
Overnight79°feels 83°
96 °
Decatur, Sunday, 16 August
Light rain. High 96°, low 74°.
Pressure30.12 inHg
Wind6.2 mph SE
Humidity43%
Visibility—
Dew point66°
Mon, 1798° / 76°0.09
Morning83°feels 85°
Afternoon98°feels 102°
Evening94°feels 98°
Overnight87°feels 90°
98 °
Decatur, Monday, 17 August
Light rain. High 98°, low 76°.
Pressure30.03 inHg
Wind10.2 mph NW
Humidity35%
Visibility—
Dew point63°
Tue, 18101° / 80°0.02
Morning85°feels 86°
Afternoon98°feels 101°
Evening95°feels 98°
Overnight88°feels 92°
101 °
Decatur, Tuesday, 18 August
Light rain. High 101°, low 80°.
Pressure29.94 inHg
Wind11.3 mph NW
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 Decatur, GA 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.