Our Proprietary 10-Day Forecast

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Current warnings over Marietta, Ohio
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<p>Warnings from F5Weather</a></div>

United States weather warnings are issued by various organizations under NOAA. Most from the National Weather Service, but also Storm Prediction Center and National Hurricane Center.

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Current radar over Marietta, Ohio red dot
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<p>Live radar from F5Weather</a></div>

Our radar is based off of US NEXRAD and Canadian weather radar sites through the quality controlled MRMS system. It compiles various sources for radar data and filters out erroneous returns such as sun spikes and ground clutter. We then colorize the precipitation based on our methods for determining precipitation type. Rain is in shades of green, mixed precipitation and freezing rain in shades of pink and snow is in shades of blue.

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Current satellite over Marietta, Ohio red dot
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<p>Live satellite from F5Weather</a></div>

Our satellite is from the GOES-16. It is color enhanced by using a geocolor terrain background during the day and black marble city lights at night. The daytime satellite data is Visible satellite imagery, and nighttime uses Infrared bands. The bluish clouds are fog and low cloud. The whiteest clouds are the coldest, highest cloud tops.

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Current surface weather map around Washington County, OH

This surface map is from the HRRR computer model. It is a 1-hour forecast, updated hourly, which is a good estimate of the current surface conditions. This map shows the current high and low pressure centers, pressure isobar contours, wind streamlines and thickness contours. It also shows the currently depicted preciptiation estimates, although this should not be a substitute for actual live radar. The purple dashed contour is the 5400m thickness line, which is often a good proxy for the rain/snow line.

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Temperatures right now near Marietta, Ohio

This is the latest surface temperatures as depicted by the HRRR computer model, updated hourly. Although these are not actual observations, this model is a very good representation of current conditions as it factors in observations, terrain and physics to give you more detailed temperatures in areas that do not have reporting weather stations. For the latest reports at specific locations, like in Marietta, OH please see our current conditions data on the left and right side of this page, or go to our current conditions page.

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Surface wind speed map over Marietta, OH

This map shows the latest HRRR computer model winds. This depiction of the current wind directions and speeds is an estimate from the computer model. For actual observations in Marietta, OH, see the current conditions data on the left and right side of this page, or go to our current conditions page.

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Regional 24 hour rainfall expected near Marietta, Ohio

This is a forecast of the amount of precipitation expected over the next 24 hours from the HRRR weather forecast model. This is only one forecast depiction, and you should check other models to get a better idea of what may happen. You can view this and other models in more detail on our main weather forecast maps page. There, you will also be able to look at forecasts beyond just 24 hours and look at forecasts out to as far as 16 days.

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Area snowfall accumulation expected around Washington County, Ohio

This is snowfall forecast, with amounts anticipated in the next 24 hours. This guidance is from the HRRR weather model. For more model forecasts out to 16 days, visit our main weather forecast maps page.

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These are Convective Outlooks from the Storm Prediction Center. Click to see Days 1-3 broken down into Tornado, Wind and Hail threats, as well as days 5-8 outlooks.

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Atlantic Hurricane and Tropical Storm Tracking Map
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<p>Hurricane Tracking from F5Weather</a></div>

Our hurricane tracking map monitors for any current or forecast tropical disturbances in the Atlantic. (See our Pacific Hurricane Tracker) Various hurricane models will draw a 'spaghetti plot' in the Atlantic Basin when a disturbance is forecast or exists, showing the system's forecast track. Once a storm has developed, the National Hurricane Center will forecast their official track. This will show up on the map along with the storm's current intensity, track and name. We will also plot some of the storm's vitals and of course the spaghetti plots from the models along with the NHC forecast track will give you an idea of where it's heading, and its forecast intensity with time.

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To view the latest computer models, visit f5wx.com for access to the weather maps and guidance that meteorologists use to make their forecasts.
 
Get access to:
  • European ECMWF HRES
  • American GFS
  • Canadian GDPS GEM
  • German DWD ICON
  • British MetOffice's UKMET Unified Model
  • American NAM
  • American HRRR
  • American NBM - National Blend of Models
  • GEFS, GEPS, MOGREPS & European Ensembles
  • Probabilities & Averages
  • 3-Ensemble Mean & more!
View Skew-T soundings, textual data tables for your location, and of course maps! Weather forecast maps of the basics like temperature, wind, pressure, humidity, dew point, cloud cover, simulated radar, travel weather, rainfall and snow are available. More advanced users can also get use out of our severe weather & tornado threat maps, as well as upper air & shear graphics.
 
See the latest forecast data as the models update.
 
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Climate Summary
(made with AI, use with caution)
Marietta, Ohio Climate Summary

General Climate


    •   Humid continental climate with warm, humid summers and cold, snowy winters.

Temperature


    •   Average annual temperature: 52.4°F (11.3°C)
    •   Average summer temperature (June-August): 72.6°F (22.6°C)
    •   Average winter temperature (December-February): 32.9°F (0.5°C)
    •   Record high temperature: 105°F (40.6°C)
    •   Record low temperature: -27°F (-32.8°C)

Precipitation


    •   Average annual precipitation: 42.5 inches (108 cm)
    •   Average rainfall: 38.6 inches (98 cm)
    •   Average snowfall: 3.9 inches (9.9 cm)
    •   Wettest month: May (4.5 inches)
    •   Driest month: February (2.5 inches)

Sunshine


    •   Average annual sunshine: 2,024 hours
    •   Sunniest month: July (244 hours)
    •   Cloudiest month: December (129 hours)

Wind


    •   Prevailing wind direction: West-southwest
    •   Average wind speed: 10.2 mph (16.4 km/h)

Other Climate Features

    •   Tornadoes

Rare, but not unheard of.

    •   Flooding

Can occur along the Ohio River.

    •   Severe thunderstorms

Common during the summer months.

    •   Ice storms

Occasionally occur during the winter months.

Climate Trends


    •   Over the past century, Marietta has experienced a slight increase in average temperature and precipitation.
    •   The frequency and intensity of extreme weather events, such as heat waves and heavy rainfall, are also increasing.

Impact on Daily Life


    •   The humid summers can be uncomfortable for outdoor activities.
    •   The cold winters require proper clothing and heating.
    •   Flooding along the Ohio River can disrupt transportation and infrastructure.
    •   Severe thunderstorms can cause power outages and damage.

Facts & Historical Information
(made with AI, use with caution)
Natural History

    •   Marietta is located at the confluence of the Ohio and Muskingum Rivers, creating a diverse ecosystem.

    •   The city is home to the Marietta College Arboretum, a 100-acre botanical garden featuring over 2,000 species of plants.

    •   The nearby Wayne National Forest offers opportunities for hiking, fishing, and wildlife viewing, including black bears, bald eagles, and river otters.

Science

    •   Marietta was the site of the first permanent settlement in the Northwest Territory.

    •   The city's founders, led by Rufus Putnam, were surveyors and scientists who established the Ohio Company of Associates.

    •   Marietta College has a long history of scientific research, particularly in astronomy and geology.

Personalities

    •   Samuel Prescott Hildreth (1783-1863): Physician, naturalist, and geologist who conducted extensive surveys of Ohio's natural resources.

    •   Joseph Henry (1797-1878): Physicist and inventor who served as the first Secretary of the Smithsonian Institution.

    •   William Whipple Warren (1825-1853): Ojibwe historian and ethnologist who wrote extensively about Native American culture and history.

Tourist Attractions
1.Campus Martius Museum:

A historical museum located on the banks of the Ohio River, showcasing the history of Marietta and the Ohio Valley.

2.Marietta College:

A private liberal arts college founded in 1835, known for its beautiful campus and historic buildings.

3.Wayne National Forest:

A vast forest with over 2.5 million acres of land, offering hiking, camping, fishing, and other outdoor recreation opportunities.

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