Marietta weather live forecast

Today's maximum temperature in Marietta is expected to be 31°C. Select a day from the live weather forecast for Marietta, Ohio, USA for more weather parameters.

Wednesday
5th Aug
31

22

8

8
Thursday
6th Aug
28

22

5

7
Friday
7th Aug
29

22

5

5
Saturday
8th Aug
27

21

4

4
Sunday
9th Aug
30

20

7

7

5-day weather forecast updated at 04:02 on Wednesday 5th August 2026 GMT

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The 5-day weather forecast for Ohio (Marietta) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Marietta weather forecast by day

Below are the detailed weather forecasts for Marietta for the next 5 days.

Marietta weather for Wednesday 5th August 2026

Expect isolated thunderstorms in Marietta, Ohio with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 5-10 mm of rainfall expected with 53% chance of some rain and a light breeze of 7 kph from the south.

31
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
8
UV index (Very High)
53
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
7
kph wind from S

Marietta weather for Thursday 6th August 2026

Expect isolated thunderstorms in Marietta, Ohio with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 75% chance of some rain and a light breeze of 7 kph from the south-west.

28
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
7
UV index (High)
75
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
7
kph wind from SW

Marietta weather for Friday 7th August 2026

Expect isolated thunderstorms in Marietta, Ohio with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 83% chance of some rain and a light breeze of 9 kph from the south.

29
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
5
UV index (Moderate)
83
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
9
kph wind from S

Marietta weather for Saturday 8th August 2026

Expect isolated thunderstorms in Marietta, Ohio with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 76% chance of some rain and a light breeze of 11 kph from the south-west.

27
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
4
UV index (Moderate)
76
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
11
kph wind from SW

Marietta weather for Sunday 9th August 2026

Expect isolated thunderstorms in Marietta, Ohio with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 43% chance of some rain and a light breeze of 9 kph from the south-west.