What is today's weather forecast for Marietta, WA?

Today's forecast for Marietta shows a low of 42 degrees Fahrenheit. A chance of rain and snow.

What is the 7-day weather forecast for Marietta, WA?

The 7-day forecast for Marietta shows highs from 44 to 49 degrees and lows from 37 to 44 degrees Fahrenheit. Expect precipitation on 8 days with chances of 20% or higher.

Will it rain in Marietta, WA this week?

Yes, rain is possible in Marietta this week. Precipitation chances: Tuesday (30% chance), Wednesday (50% chance), Thursday (50% chance), Friday (50% chance), Saturday (50% chance), Sunday (50% chance), Monday (50% chance), Tuesday (50% chance).

How accurate is the Marietta weather forecast?

WeatherForYou provides highly accurate Marietta forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Marietta, WA Weather Forecast and Current Conditions

WEATHER ALERTS - Flood Watch - Wind Advisory - Special Weather Statement

Current Conditions From Nearby Local Station

Switch to Metric Units

45°F
Feels Like 41°F

Humidity 76% Dew Point 38°F Wind SSW 8 MPH Gusts 21 Barometer 29.36 in.

Visibility 10 mi.

Report from a NOAA weather station 2.3 mi. ENE of central Marietta
at 2:53 AM Wed, Dec 17, 2025

Point Forecast at a Glance

TueDec 16

30%

WedDec 17

50%

ThuDec 18

50%

FriDec 19

50%

SatDec 20

50%

SunDec 21

50%

MonDec 22

50%

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 44°F to 49°F. Unsettled weather expected with wintry mix likely on at least 7 days.

Climate Context

Temperatures are expected to be near normal for this time of year, with highs around 46°F and lows around 35°F.

This Date in Weather History

1929 - An icestorm in western New York State resulted in much damage and hardship. A Buffalo report stated, "one was kept awake by the breaking limbs, which snapped off with a report much louder than a rifle shot."

Marietta, WA 7 Day Weather Forecast Details

Tuesday Dec 16

Night: A chance of rain and snow. Mostly cloudy, with a low around 42. Breezy, with a west southwest wind around 25 mph, with gusts as high as 39 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

Wednesday Dec 17

Day: A chance of rain and snow. Partly sunny, with a high near 48. Breezy, with a south southwest wind 24 to 29 mph decreasing to 16 to 21 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

Night: A chance of rain and snow. Cloudy, with a steady temperature around 44. South southeast wind 16 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

Thursday Dec 18

Day: A chance of rain and snow. Cloudy, with a high near 49. Southeast wind 15 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

Night: A chance of rain and snow. Mostly cloudy, with a low around 38. West southwest wind 13 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

Friday Dec 19

Day: A chance of rain and snow. Mostly cloudy, with a high near 44. Chance of precipitation is 50%. Little or no snow accumulation expected.

Night: A chance of rain and snow. Cloudy, with a low around 37. Chance of precipitation is 50%. Little or no snow accumulation expected.

Saturday Dec 20

Day: A chance of rain and snow. Mostly cloudy, with a high near 44.

Night: A chance of rain and snow. Mostly cloudy, with a low around 37.

Sunday Dec 21

Day: A chance of rain and snow. Mostly cloudy, with a high near 44.

Night: A chance of rain and snow. Cloudy, with a low around 38.

Monday Dec 22

Day: A chance of rain and snow. Mostly cloudy, with a high near 46.

Night: A chance of rain and snow. Mostly cloudy, with a low around 37.

Tuesday Dec 23

Day: A chance of rain and snow. Mostly cloudy, with a high near 45.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.

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