Weather forecast for tomorrow
Marietta, IL

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Weather forecast and temperature for tomorrow - Monday, May 20.

PM Thunderstorms
5:39 am

8:16 pm
CDT
PM Thunderstorms
82°F / 66°F
  • Wind: 15mph SSW
  • Humidity: 59%
  • Precip. probability: 35%
  • Precipitation: 0.12"
  • UV index: 5
On Monday, in Marietta, storms with thunder and lightning and rainy weather are expected in the afternoon.
Minimal precipitation is predicted for tomorrow. Temperatures are forecasted to range from a maximum of a moderately hot 82.4°F (28°C) to a minimum of a refreshing 66.2°F (19°C).
The maximum heat index, which combines air temperature and relative humidity, is estimated at 84.2°F (29°C).
It will be warmer, and the maximum temperature will be more in line with June's average highest temperature of 80.8°F (27.1°C) than the average highest temperature of 72°F (22.2°C) in May.
Sunrise will be at 5:39 am and sunset at 8:16 pm; tomorrow's daylight will last for 14h and 37min.

Frequently asked questions

What is the weather forecast for Marietta for tomorrow?

On Monday, in Marietta, rainy weather and thunderstorms are anticipated in the afternoon.

Will it rain tomorrow in Marietta?

Tomorrow, there is a low chance of minimal precipitation in Marietta.

What will be the highest temperature in Marietta tomorrow?

Tomorrow, the maximum temperature will be 82.4°F (28°C), while the minimum temperature will be 66.2°F (19°C). The maximum heat index, which combines air temperature and relative humidity, is calculated to be 84.2°F (29°C).
The maximum temperature will be notably higher than the average highest temperature of 72°F (22.2°C) in May. The lowest temperature will be also notably higher than the average low of 55°F (12.8°C).

What time are sunrise and sunset tomorrow in Marietta?

On Monday, in Marietta, sunrise will be at 5:39 am and sunset at 8:16 pm (CDT).

How long will the day be tomorrow in Marietta?

In Marietta, Illinois, tomorrow, there will be 14h and 37min of daylight.

Hourly weather forecast and temperature - Marietta, IL

12 am
  • 73°F
  • Feels like:
    73°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 7mph SSE
  • Pressure: 29.85"Hg
  • Humidity: 72%
  • Precip. probability: 9%
  • Precipitation: 0"
  • Visibility: 9mi
2 am
  • 73°F
  • Feels like:
    73°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 9mph SSE
  • Pressure: 29.85"Hg
  • Humidity: 72%
  • Precip. probability: 20%
  • Precipitation: 0"
  • Visibility: 9mi
4 am
  • 72°F
  • Feels like:
    72°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 9mph S
  • Pressure: 29.83"Hg
  • Humidity: 76%
  • Precip. probability: 12%
  • Precipitation: 0"
  • Visibility: 9mi
Sunrise: 5:39 am
6 am
  • 70°F
  • Feels like:
    70°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph S
  • Pressure: 29.83"Hg
  • Humidity: 79%
  • Precip. probability: 16%
  • Precipitation: 0"
  • Visibility: 9mi
8 am
  • 73°F
  • Feels like:
    75°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 11mph S
  • Pressure: 29.83"Hg
  • Humidity: 70%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 9mi
10 am
  • 79°F
  • Feels like:
    81°F
Cloudy
Cloudy
  • Wind: 14mph SSW
  • Pressure: 29.83"Hg
  • Humidity: 59%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 81°F
  • Feels like:
    82°F
Isolated Thunderstorms
Isolated Thunderstorms
  • Wind: 15mph SW
  • Pressure: 29.83"Hg
  • Humidity: 55%
  • Precip. probability: 30%
  • Precipitation: 0.04"
  • Visibility: 9mi
2 pm
  • 82°F
  • Feels like:
    84°F
Cloudy
Cloudy
  • Wind: 14mph SW
  • Pressure: 29.8"Hg
  • Humidity: 53%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 81°F
  • Feels like:
    82°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 12mph SSW
  • Pressure: 29.8"Hg
  • Humidity: 54%
  • Precip. probability: 22%
  • Precipitation: 0"
  • Visibility: 10mi
6 pm
  • 81°F
  • Feels like:
    84°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 10mph SSW
  • Pressure: 29.77"Hg
  • Humidity: 54%
  • Precip. probability: 36%
  • Precipitation: 0.04"
  • Visibility: 7mi
8 pm
  • 77°F
  • Feels like:
    81°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 5mph SSW
  • Pressure: 29.77"Hg
  • Humidity: 65%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 9mi
Sunset: 8:16 pm
10 pm
  • 73°F
  • Feels like:
    75°F
Isolated Thunderstorms
Isolated Thunderstorms
  • Wind: 5mph S
  • Pressure: 29.8"Hg
  • Humidity: 73%
  • Precip. probability: 34%
  • Precipitation: 0.04"
  • Visibility: 9mi
Tomorrow, a combination of cloudy, stormy and sunny weather is predicted.
With minimal precipitation of 0.04" (1mm), rain is anticipated at 12 pm, 1 pm, 6 pm, 10 pm and 11 pm.
The temperature will be between a minimum of 69.8°F (21°C) and a maximum of 82.4°F (28°C). The warmest part of the day will be at 2 pm, 3 pm and 5 pm.
The maximum temperature will be more similar to June's average highest temperature of 80.8°F (27.1°C) than the average highest temperature of 72°F (22.2°C) in May. The lowest temperature will be also more comparable to June's average minimum of 63.7°F (17.6°C) than the average minimum of 55°F (12.8°C) in May.

Marietta, Illinois, USA

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