National Weather Service forecast

Marietta, Illinois Weather

54°Overnight: Mostly Cloudy
Wind SW 12 mph
7-DayHourlyRadar

Marietta 7-Day Forecast

  1. Overnight
    54°F
    Mostly Cloudy
    12% chance of precipitation

    Mostly cloudy, with a low around 54. Southwest wind around 12 mph, with gusts as high as 21 mph. New rainfall amounts less than a tenth of an inch possible.

  2. Wednesday
    57°F
    Slight Chance Drizzle
    20% chance of precipitation

    A slight chance of drizzle after 8am. Cloudy, with a high near 57. West southwest wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

  3. Wednesday Night
    44°F
    Slight Chance Drizzle then Mostly Cloudy
    20% chance of precipitation

    A slight chance of drizzle before 10pm. Mostly cloudy, with a low around 44. West southwest wind around 12 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

  4. Thursday
    56°F
    Slight Chance Light Rain
    22% chance of precipitation

    A slight chance of rain. Mostly cloudy, with a high near 56. West wind 10 to 14 mph, with gusts as high as 24 mph.

  5. Thursday Night
    42°F
    Chance Light Rain
    25% chance of precipitation

    A chance of rain. Mostly cloudy, with a low around 42. Northwest wind 5 to 8 mph, with gusts as high as 17 mph. Chance of precipitation is 30%.

  6. Friday
    52°F
    Partly Sunny
    8% chance of precipitation

    Partly sunny, with a high near 52. North wind 6 to 9 mph, with gusts as high as 20 mph.

  7. Friday Night
    32°F
    Partly Cloudy

    Partly cloudy, with a low around 32. North wind 0 to 5 mph.

  8. Saturday
    52°F
    Sunny

    Sunny, with a high near 52.

  9. Saturday Night
    33°F
    Mostly Clear
    1% chance of precipitation

    Mostly clear, with a low around 33.

  10. Sunday
    59°F
    Sunny
    1% chance of precipitation

    Sunny, with a high near 59.

  11. Sunday Night
    34°F
    Clear

    Clear, with a low around 34.

  12. Monday
    64°F
    Sunny

    Sunny, with a high near 64.

  13. Monday Night
    39°F
    Mostly Clear

    Mostly clear, with a low around 39.

  14. Tuesday
    66°F
    Sunny

    Sunny, with a high near 66.

Issued by the National Weather Service (ILX office), updated .

Marietta Hourly Forecast

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About Marietta

Population (2020 Census)
101
Coordinates
40.499, -90.393
Elevation
650 ft
NWS forecast office
ILX
Time zone
America/Chicago
Sunrise today
6:34 AM CST
Sunset today
4:55 PM CST
Daylight today
10 h 20 min

Marietta Weather Questions

What is the weather forecast for Marietta, Illinois?

Overnight: Mostly cloudy, with a low around 54. Southwest wind around 12 mph, with gusts as high as 21 mph. New rainfall amounts less than a tenth of an inch possible. Wednesday: A slight chance of drizzle after 8am. Cloudy, with a high near 57. West southwest wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

Will it rain or snow in Marietta this week?

Not much. The highest chance of precipitation in the 7-day forecast is 25%, Thursday Night.

How warm and how cold will it get in Marietta this week?

The warmest day is Tuesday, with a high near 66°F. The coldest night is Friday Night, with a low near 32°F.

What time are sunrise and sunset in Marietta today?

Sunrise is at 6:34 AM CST and sunset is at 4:55 PM CST, for 10 h 20 min of daylight.

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