Live Weather & Forecast
Weather in Marietta
Ohio, United States · Real-time conditions & 3-day outlook
12°C
Feels like 12°C
54°F / Feels 54°F
Sunny
Marietta, Ohio
🌞 Daytime
Updated: 2026-04-12 08:45
Humidity
77%
Wind
5.8 km/h SE
Wind Gust
10.1 km/h
Pressure
1026 mb
Visibility
14 km
UV Index
0.2
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
7.3°C
Wind Degree
133°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
199.9 μg/m³
NO₂
8.6 μg/m³
O₃
145 μg/m³
SO₂
6.2 μg/m³
PM 2.5
10.2 μg/m³
PM 10
10.4 μg/m³
Weather Alerts 1
Met
· Moderate · Expected
Special Weather Statement issued April 11 at 10:01PM EDT by NWS Peachtree City GA
Relative Humidities of 25 percent or less can be expected for 4 or more hours Sunday afternoon into the evening. Winds will be 8-12 mph, from the south-southeast with gusts up to 20 mph. With dry fuels, high fire danger conditions can be expected. Please refer to your local burn permitting authorities whether you may burn outdoors. If you do burn outside, use extreme caution.
Today's Hourly Forecast
24-hour breakdown for Marietta, Ohio
12 AM
17°
Clear
1 AM
16°
Clear
2 AM
15°
Clear
3 AM
15°
Clear
4 AM
14°
Clear
5 AM
13°
Clear
6 AM
13°
Clear
7 AM
13°
Clear
8 AM
12°
Sunny
9 AM
18°
Sunny
10 AM
21°
Sunny
11 AM
25°
Sunny
12 PM
27°
Sunny
1 PM
29°
Sunny
2 PM
30°
Sunny
3 PM
31°
Sunny
4 PM
31°
Sunny
5 PM
30°
Sunny
6 PM
29°
Sunny
7 PM
27°
Sunny
8 PM
26°
Sunny
9 PM
25°
Clear
10 PM
24°
Partly Cloudy
11 PM
23°
Clear
3-Day Forecast
Daily overview for Marietta, Ohio
Today
Sunny
31°
/
12°
🌧️ 0% chance of rain
💧 Avg. humidity: 44%
💨 Max wind: 17.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.3
🌅 Sunrise: 07:11 AM
🌇 Sunset: 08:07 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Cloudy
25°
/
16°
🌧️ 0% chance of rain
💧 Avg. humidity: 51%
💨 Max wind: 15.1 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2
🌅 Sunrise: 07:10 AM
🌇 Sunset: 08:08 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Sunny
29°
/
16°
🌧️ 0% chance of rain
💧 Avg. humidity: 54%
💨 Max wind: 13.3 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.4
🌅 Sunrise: 07:09 AM
🌇 Sunset: 08:09 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Best Time to Visit Marietta
Plan your trip to Marietta, United States around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Marietta?
Current conditions in Marietta: Sunny, temperature 12°C, humidity 77%.
What is the best time to visit Marietta?
The best time to visit Marietta is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Marietta?
Marietta is located at approximately 34° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Marietta?
The wettest period in Marietta is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Marietta?
For visits to Marietta during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Marietta in?
Marietta is located in United States, in the state of Ohio.
What are the public holidays in Marietta in 2026?
View the 2026 public holidays for Marietta on our Holidays page.
What are the GPS coordinates used for the weather forecast in Marietta?
The weather forecast for Marietta uses coordinates 33.9528, -84.5496.