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Current weather in Marietta is clear sky.

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This page shows hourly weather forecast for Marietta, including temperature, wind, precipitation, humidity and cloud cover.

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Weather data for Marietta is updated regularly with the latest available observations and forecasts.

Now · 6:21 PM

Marietta Weather & Hourly Forecast

United States · Mississippi · 38856

94°F

Sunny

Feels like: 102°F

💧 Humidity 47% 🌡 Pressure 29.97 inHg 💨 Wind 8 mph 👁 Visibility 6.2 mi ☁ Clouds 9% ☀️ UV index 0.5 · Low 🌅 Sunrise 6:27 AM 🌇 Sunset 7:19 PM

Hourly Forecast for Marietta

Today

7:00 PM

Sunny

94° 💧 None 💨 8 mph H 47%29.97 inHg

10:00 PM

Clear night

86° 💧 None 💨 5 mph H 57%30.00 inHg

Tomorrow

1:00 AM

Clear night

77° 💧 None 💨 5 mph H 65%29.97 inHg

4:00 AM

Clear night

74° 💧 None 💨 3 mph H 71%29.97 inHg

7:00 AM

Sunny

76° 💧 None 💨 3 mph H 72%30.00 inHg

10:00 AM

Sunny

92° 💧 None 💨 3 mph H 44%30.03 inHg

1:00 PM

Sunny

97° 💧 None 💨 6 mph H 29%29.97 inHg

4:00 PM

Mostly cloudy

95° 💧 None 💨 9 mph H 29%29.91 inHg

7:00 PM

Partly cloudy

85° 💧 None 💨 8 mph H 48%29.94 inHg

10:00 PM

Partly cloudy night

79° 💧 None 💨 3 mph H 64%29.97 inHg

Friday

1:00 AM

Mostly clear night

75° 💧 None 💨 3 mph H 68%29.94 inHg

4:00 AM

Clear night

73° 💧 None 💨 3 mph H 70%29.97 inHg

7:00 AM

Sunny

75° 💧 None 💨 1 mph H 75%29.97 inHg

10:00 AM

Sunny

92° 💧 None 💨 3 mph H 47%30.00 inHg

1:00 PM

Sunny

101° 💧 None 💨 5 mph H 32%29.97 inHg

4:00 PM

Light rain

94° 💧 0.00 in 💨 6 mph H 37%29.88 inHg

Today

7:00 PM

Sunny

94° 💧 None 💨 8 mph H 47%29.97 inHg

8:00 PM

Clear night

92° 💧 None 💨 6 mph H 50%29.97 inHg

9:00 PM

Clear night

90° 💧 None 💨 6 mph H 53%29.97 inHg

10:00 PM

Clear night

86° 💧 None 💨 5 mph H 57%30.00 inHg

11:00 PM

Clear night

81° 💧 None 💨 5 mph H 61%30.00 inHg

Tomorrow

12:00 AM

Clear night

78° 💧 None 💨 5 mph H 63%29.97 inHg

1:00 AM

Clear night

77° 💧 None 💨 5 mph H 65%29.97 inHg

2:00 AM

Clear night

76° 💧 None 💨 4 mph H 67%29.97 inHg

3:00 AM

Clear night

76° 💧 None 💨 4 mph H 68%29.97 inHg

4:00 AM

Clear night

74° 💧 None 💨 3 mph H 71%29.97 inHg

5:00 AM

Clear night

74° 💧 None 💨 2 mph H 72%29.97 inHg

6:00 AM

Clear night

74° 💧 None 💨 2 mph H 73%29.97 inHg

7:00 AM

Sunny

76° 💧 None 💨 3 mph H 72%30.00 inHg

8:00 AM

Sunny

82° 💧 None 💨 3 mph H 63%30.00 inHg

9:00 AM

Sunny

88° 💧 None 💨 3 mph H 52%30.03 inHg

10:00 AM

Sunny

92° 💧 None 💨 3 mph H 44%30.03 inHg

11:00 AM

Sunny

94° 💧 None 💨 4 mph H 37%30.00 inHg

12:00 PM

Sunny

95° 💧 None 💨 5 mph H 32%29.97 inHg

1:00 PM

Sunny

97° 💧 None 💨 6 mph H 29%29.97 inHg

2:00 PM

Mostly cloudy

97° 💧 None 💨 9 mph H 30%29.94 inHg

3:00 PM

Mostly cloudy

96° 💧 None 💨 10 mph H 32%29.91 inHg

4:00 PM

Mostly cloudy

95° 💧 None 💨 9 mph H 29%29.91 inHg

5:00 PM

Mostly cloudy

93° 💧 None 💨 10 mph H 31%29.91 inHg

6:00 PM

Partly cloudy

88° 💧 None 💨 9 mph H 38%29.91 inHg

7:00 PM

Partly cloudy

85° 💧 None 💨 8 mph H 48%29.94 inHg

8:00 PM

Overcast night

83° 💧 None 💨 1 mph H 54%29.94 inHg

9:00 PM

Partly cloudy night

81° 💧 None 💨 3 mph H 61%29.97 inHg

10:00 PM

Partly cloudy night

79° 💧 None 💨 3 mph H 64%29.97 inHg

11:00 PM

Mostly clear night

78° 💧 None 💨 3 mph H 66%29.94 inHg

Friday

12:00 AM

Mostly clear night

77° 💧 None 💨 3 mph H 67%29.94 inHg

1:00 AM

Mostly clear night

75° 💧 None 💨 3 mph H 68%29.94 inHg

2:00 AM

Clear night

75° 💧 None 💨 3 mph H 68%29.94 inHg

3:00 AM

Clear night

73° 💧 None 💨 4 mph H 69%29.94 inHg

4:00 AM

Clear night

73° 💧 None 💨 3 mph H 70%29.97 inHg

5:00 AM

Clear night

72° 💧 None 💨 2 mph H 72%29.97 inHg

6:00 AM

Clear night

72° 💧 None 💨 2 mph H 74%29.97 inHg

7:00 AM

Sunny

75° 💧 None 💨 1 mph H 75%29.97 inHg

8:00 AM

Sunny

82° 💧 None 💨 2 mph H 65%30.00 inHg

9:00 AM

Sunny

87° 💧 None 💨 3 mph H 55%30.00 inHg

10:00 AM

Sunny

92° 💧 None 💨 3 mph H 47%30.00 inHg

11:00 AM

Sunny

96° 💧 None 💨 4 mph H 40%30.00 inHg

12:00 PM

Sunny

99° 💧 None 💨 4 mph H 35%30.00 inHg

1:00 PM

Sunny

101° 💧 None 💨 5 mph H 32%29.97 inHg

2:00 PM

Sunny

102° 💧 None 💨 6 mph H 28%29.94 inHg

3:00 PM

Partly cloudy

103° 💧 None 💨 8 mph H 27%29.91 inHg

4:00 PM

Light rain

94° 💧 0.00 in 💨 6 mph H 37%29.88 inHg

5:00 PM

Mostly cloudy

92° 💧 None 💨 5 mph H 40%29.88 inHg

6:00 PM

Mostly cloudy

91° 💧 None 💨 4 mph H 44%29.88 inHg

7:00 PM

Mostly cloudy

87° 💧 None 💨 6 mph H 50%29.91 inHg

8:00 PM

Clear night

85° 💧 None 💨 6 mph H 54%29.91 inHg

9:00 PM

Clear night

84° 💧 None 💨 5 mph H 55%29.94 inHg

10:00 PM

Clear night

83° 💧 None 💨 5 mph H 58%29.94 inHg

11:00 PM

Clear night

81° 💧 None 💨 5 mph H 59%29.91 inHg

Saturday

12:00 AM

Clear night

79° 💧 None 💨 3 mph H 64%29.94 inHg

1:00 AM

Clear night

78° 💧 None 💨 3 mph H 67%29.91 inHg

2:00 AM

Clear night

78° 💧 None 💨 4 mph H 67%29.91 inHg

3:00 AM

Clear night

77° 💧 None 💨 4 mph H 65%29.91 inHg

4:00 AM

Clear night

76° 💧 None 💨 2 mph H 67%29.94 inHg

5:00 AM

Clear night

76° 💧 None 💨 2 mph H 69%29.94 inHg

6:00 AM

Clear night

76° 💧 None 💨 1 mph H 70%29.94 inHg

7:00 AM

Sunny

77° 💧 None 💨 1 mph H 70%29.94 inHg

8:00 AM

Sunny

82° 💧 None 💨 2 mph H 61%29.94 inHg

9:00 AM

Sunny

89° 💧 None 💨 1 mph H 51%29.94 inHg

10:00 AM

Sunny

94° 💧 None 💨 1 mph H 43%29.94 inHg

11:00 AM

Sunny

99° 💧 None 💨 1 mph H 37%29.94 inHg

12:00 PM

Sunny

102° 💧 None 💨 2 mph H 31%29.94 inHg

1:00 PM

Sunny

103° 💧 None 💨 4 mph H 28%29.91 inHg

2:00 PM

Mostly sunny

103° 💧 None 💨 4 mph H 27%29.88 inHg

3:00 PM

Mostly sunny

103° 💧 None 💨 2 mph H 27%29.85 inHg

4:00 PM

Partly cloudy

103° 💧 None 💨 1 mph H 26%29.83 inHg

5:00 PM

Mostly sunny

102° 💧 None 💨 3 mph H 27%29.83 inHg

6:00 PM

Partly cloudy

99° 💧 None 💨 3 mph H 32%29.83 inHg

7:00 PM

Partly cloudy

91° 💧 None 💨 1 mph H 41%29.83 inHg

8:00 PM

Clear night

85° 💧 None 💨 2 mph H 48%29.85 inHg

9:00 PM

Clear night

85° 💧 None 💨 1 mph H 49%29.85 inHg

10:00 PM

Partly cloudy night

83° 💧 None 💨 4 mph H 52%29.85 inHg

11:00 PM

Partly cloudy night

82° 💧 None 💨 4 mph H 56%29.85 inHg

Sunday

12:00 AM

Partly cloudy night

81° 💧 None 💨 2 mph H 58%29.85 inHg

1:00 AM

Partly cloudy night

82° 💧 None 💨 1 mph H 56%29.85 inHg

2:00 AM

Overcast night

82° 💧 None 💨 2 mph H 56%29.85 inHg

3:00 AM

Overcast night

81° 💧 None 💨 2 mph H 57%29.85 inHg

4:00 AM

Mostly cloudy night

79° 💧 None 💨 1 mph H 62%29.85 inHg

5:00 AM

Mostly cloudy night

78° 💧 None 💨 0 mph H 64%29.85 inHg

6:00 AM

Partly cloudy night

77° 💧 None 💨 2 mph H 66%29.85 inHg

7:00 AM

Partly cloudy

77° 💧 None 💨 1 mph H 66%29.88 inHg

8:00 AM

Sunny

83° 💧 None 💨 1 mph H 57%29.91 inHg

9:00 AM

Sunny

89° 💧 None 💨 2 mph H 48%29.91 inHg

10:00 AM

Partly cloudy

93° 💧 None 💨 3 mph H 42%29.91 inHg

11:00 AM

Mostly cloudy

97° 💧 None 💨 3 mph H 37%29.88 inHg

12:00 PM

Mostly cloudy

100° 💧 None 💨 3 mph H 33%29.88 inHg

1:00 PM

Mostly cloudy

102° 💧 None 💨 4 mph H 29%29.85 inHg

2:00 PM

Overcast

102° 💧 None 💨 6 mph H 28%29.83 inHg

3:00 PM

Overcast

101° 💧 None 💨 9 mph H 29%29.83 inHg

4:00 PM

Overcast

100° 💧 None 💨 9 mph H 30%29.80 inHg

5:00 PM

Overcast

99° 💧 None 💨 9 mph H 30%29.80 inHg

6:00 PM

Overcast

96° 💧 None 💨 7 mph H 35%29.80 inHg

In Marietta and, more broadly, across the state of Mississippi: The evening will feature a mix of sun and clouds, with temperatures remaining quite warm, ranging from 88 to 92 degrees Fahrenheit. Winds will be light, coming from the south at up to 5 mph, with occasional gusts reaching 11 mph. No precipitation is expected during this time, making for generally dry conditions into the night. The warm temperatures and light winds suggest a mild and comfortable evening, although it will remain quite warm. Keep in mind that temperatures may stay elevated through the night, so it might not cool off significantly. Overall, expect a pleasant evening with stable weather and no significant weather concerns.

15-Day Weather Outlook for Marietta

TomorrowTomorrow

Sunny 97°/74° 💧 None 💨 10 mph

Friday, Sep 4Fri Sep 4

Light rain 103°/72° 💧 0.00 in 💨 8 mph

Saturday, Sep 5Sat Sep 5

Sunny 103°/76° 💧 None 💨 4 mph

Sunday, Sep 6Sun Sep 6

Mostly cloudy 102°/77° 💧 None 💨 13 mph

Monday, Sep 7Mon Sep 7

Light rain 102°/70° 💧 0.07 in 💨 10 mph

Tuesday, Sep 8Tue Sep 8

Sunny 97°/73° 💧 None 💨 13 mph

Wednesday, Sep 9Wed Sep 9

Mostly sunny 95°/74° 💧 None 💨 6 mph

Thursday, Sep 10Thu Sep 10

Light rain 92°/76° 💧 0.02 in 💨 8 mph

Friday, Sep 11Fri Sep 11

Light rain 102°/75° 💧 0.02 in 💨 9 mph

Saturday, Sep 12Sat Sep 12

Light rain 101°/76° 💧 0.06 in 💨 8 mph

Sunday, Sep 13Sun Sep 13

Sunny 99°/74° 💧 None 💨 8 mph

Monday, Sep 14Mon Sep 14

Partly cloudy 99°/75° 💧 None 💨 8 mph

Tuesday, Sep 15Tue Sep 15

Light rain 99°/75° 💧 0.02 in 💨 6 mph

Wednesday, Sep 16Wed Sep 16

Light rain 98°/74° 💧 0.03 in 💨 7 mph

Thursday, Sep 17Thu Sep 17

Light rain 93°/70° 💧 0.14 in 💨 14 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Marietta

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Marietta

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 7:00 PM

PM2.5 Fine particles Good 3,4µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 4,2µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 57,4µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 3,9µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Marietta

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 9,1Very high 😊Good

Tomorrow UV 8,4Very high 🙂Fair

Friday UV 8,9Very high 🙂Fair

Saturday UV 8,9Very high 🙂Fair

Sunday UV 7,4High 🙂Fair

Monday UV 9,0Very high —Unavailable

Tuesday UV 9,0Very high —Unavailable

Hourly UV index today

7:00 PMUV 0,0

Today's weather health advice Open today's recommendations.

Very high UV risk

Use SPF 50+ sunscreen, a hat and sunglasses. Seek shade and limit exposure around midday.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

High heat

Stay hydrated and avoid intense exercise during the hottest part of the day.

Best in the morning or late in the day

For walking, running or cycling, prefer the early morning or late afternoon.

WIND OUTLOOK

Hourly Wind Forecast for Marietta

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 3.35 Population: 195

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Forecast data for Marietta were last refreshed today at 6:21 PM. The current forecast period extends through 04/09/2026 at 4:00 PM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.