Marietta weather live forecast

Today's maximum temperature in Marietta is expected to be 20°C. Select a day from the live weather forecast for Marietta, Ohio, USA for more weather parameters.

Wednesday
13th May
20

10

4

5
Thursday
14th May
16

8

3

2
Friday
15th May
21

6

4

5
Saturday
16th May
27

13

4

8
Sunday
17th May
31

16

9

3

5-day weather forecast updated at 04:02 on Wednesday 13th 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 Wednesday 13th May 2026

Expect isolated thunderstorms in Marietta, Ohio with a maximum temperature of 20°C, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 93% chance of some rain and a moderate breeze of 20 kph from the south-west.

20
°C maximum temperature
10
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
5
UV index (Moderate)
93
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
20
kph wind from SW

Marietta weather for Thursday 14th May 2026

Expect broken clouds in Marietta, Ohio with a maximum temperature of 16°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-west.

16
°C maximum temperature
8
°C minimum temperature
broken clouds
3
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
16
kph wind from NW

Marietta weather for Friday 15th May 2026

Expect broken clouds in Marietta, Ohio with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the west.

21
°C maximum temperature
6
°C minimum temperature
broken clouds
4
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
21
°C wind chill
7
kph wind from W

Marietta weather for Saturday 16th 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 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 64% chance of some rain and a light breeze of 11 kph from the south-west.

27
°C maximum temperature
13
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
8
UV index (Very High)
64
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
11
kph wind from SW

Marietta weather for Sunday 17th May 2026

Expect isolated thunderstorms in Marietta, Ohio with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 3 (Moderate) and 9 hours of bright sunshine. There are 2-5 mm of rainfall expected with 33% chance of some rain and a light breeze of 11 kph from the south.