Marietta weather live forecast

Today's maximum temperature in Marietta is expected to be 24°C. Select a day from the live weather forecast for Marietta, Ohio, USA for more weather parameters.

Saturday
16th May
24

11

4

6
Sunday
17th May
30

16

6

7
Monday
18th May
34

18

9

9
Tuesday
19th May
33

21

8

8
Wednesday
20th May
27

17

5

8

5-day weather forecast updated at 04:02 on Saturday 16th May 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 Saturday 16th May 2026

Expect isolated thunderstorms in Marietta, Ohio with a maximum temperature of 24°C, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 71% chance of some rain and a gentle breeze of 16 kph from the south-west.

24
°C maximum temperature
11
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
6
UV index (High)
71
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
16
kph wind from SW

Marietta weather for Sunday 17th May 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 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 26% chance of some rain and a light breeze of 8 kph from the south.

30
°C maximum temperature
16
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
7
UV index (High)
26
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
8
kph wind from S

Marietta weather for Monday 18th May 2026

Expect scattered clouds in Marietta, Ohio with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-west.

34
°C maximum temperature
18
°C minimum temperature
scattered clouds
9
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
14
kph wind from SW

Marietta weather for Tuesday 19th May 2026

Expect scattered clouds in Marietta, Ohio with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-west.

33
°C maximum temperature
21
°C minimum temperature
scattered clouds
8
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
17
kph wind from SW

Marietta weather for Wednesday 20th May 2026

Expect isolated thunderstorms in Marietta, Ohio with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 77% chance of some rain and a gentle breeze of 14 kph from the south-west.