10-day forecast for Marietta, PA: 53° to 87°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
86°
Best day: Sunday, August 9
87° · 0.37 in
Worst day: Tuesday, August 11
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1085° / 69°0
Morning73°feels 73°
Afternoon75°feels 75°
Evening79°feels 79°
Overnight72°feels 72°
85 °
Marietta, Monday, 10 August
Partly cloudy. High 85°, low 69°.
Pressure30.00 inHg
Wind6.2 mph W
Humidity51%
Visibility6.2 mi
Dew point65°
Tue, 1187° / 68°0.37
Morning69°feels 70°
Afternoon86°feels 88°
Evening76°feels 77°
Overnight71°feels 72°
87 °
Marietta, Tuesday, 11 August
Heavy rain. High 87°, low 68°.
Pressure29.91 inHg
Wind12.7 mph NW
Humidity60%
Visibility6.2 mi
Dew point66°
Wed, 1286° / 71°0.01
Morning71°feels 71°
Afternoon83°feels 86°
Evening78°feels 79°
Overnight74°feels 75°
86 °
Marietta, Wednesday, 12 August
Light rain. High 86°, low 71°.
Pressure29.80 inHg
Wind10 mph NW
Humidity69%
Visibility6.2 mi
Dew point67°
Thu, 1382° / 63°0.11
Morning74°feels 74°
Afternoon80°feels 79°
Evening70°feels 69°
Overnight70°feels 71°
82 °
Marietta, Thursday, 13 August
Light rain. High 82°, low 63°.
Pressure29.83 inHg
Wind14.8 mph NW
Humidity38%
Visibility—
Dew point52°
Fri, 1477° / 57°0
Morning64°feels 63°
Afternoon74°feels 73°
Evening66°feels 65°
Overnight59°feels 58°
77 °
Marietta, Friday, 14 August
Overcast. High 77°, low 57°.
Pressure30.06 inHg
Wind11.5 mph NW
Humidity41%
Visibility—
Dew point48°
Sat, 1576° / 54°0
Morning63°feels 62°
Afternoon73°feels 72°
Evening65°feels 64°
Overnight59°feels 58°
76 °
Marietta, Saturday, 15 August
Mostly clear. High 76°, low 54°.
Pressure30.15 inHg
Wind13.1 mph NW
Humidity40%
Visibility—
Dew point46°
Sun, 1678° / 53°0
Morning64°feels 63°
Afternoon75°feels 74°
Evening65°feels 64°
Overnight60°feels 59°
78 °
Marietta, Sunday, 16 August
Overcast. High 78°, low 53°.
Pressure30.15 inHg
Wind5.2 mph SW
Humidity38%
Visibility—
Dew point47°
Mon, 1775° / 58°0
Morning66°feels 66°
Afternoon74°feels 74°
Evening67°feels 67°
Overnight63°feels 63°
75 °
Marietta, Monday, 17 August
Overcast. High 75°, low 58°.
Pressure30.00 inHg
Wind6.2 mph SE
Humidity60%
Visibility—
Dew point59°
Tue, 1883° / 60°0
Morning70°feels 71°
Afternoon81°feels 82°
Evening71°feels 71°
Overnight67°feels 67°
83 °
Marietta, Tuesday, 18 August
Partly cloudy. High 83°, low 60°.
Pressure30.00 inHg
Wind6.2 mph E
Humidity49%
Visibility—
Dew point60°
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 Marietta, PA 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.