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Current weather in Marengo is few clouds.

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Is the weather forecast for Marengo updated regularly?

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

Now · 7:26 PM

Marengo Weather & Hourly Forecast

United States · Indiana · 47140

89°F

Mostly sunny

Feels like: 93°F

💧 Humidity 52% 🌡 Pressure 29.85 inHg 💨 Wind 6 mph 👁 Visibility 24.3 mi ☁ Clouds 33% ☀️ UV index 0.1 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Marengo

Today

8:00 PM

Sunny

84° 💧 None 💨 4 mph H 63%29.85 inHg

11:00 PM

Mostly clear night

79° 💧 None 💨 6 mph H 76%29.88 inHg

Tomorrow

2:00 AM

Partly cloudy night

75° 💧 None 💨 5 mph H 90%29.91 inHg

5:00 AM

Clear night

72° 💧 None 💨 6 mph H 96%29.91 inHg

8:00 AM

Overcast

73° 💧 0.002 in 💨 8 mph H 90%29.94 inHg

11:00 AM

Overcast

76° 💧 0.000 in 💨 9 mph H 71%29.97 inHg

2:00 PM

Sunny

82° 💧 None 💨 9 mph H 54%29.97 inHg

5:00 PM

Sunny

83° 💧 None 💨 9 mph H 45%29.94 inHg

8:00 PM

Sunny

76° 💧 None 💨 8 mph H 56%29.94 inHg

11:00 PM

Clear night

71° 💧 None 💨 9 mph H 66%30.03 inHg

Monday

2:00 AM

Mostly cloudy night

66° 💧 None 💨 7 mph H 77%30.03 inHg

5:00 AM

Mostly clear night

64° 💧 None 💨 6 mph H 86%30.03 inHg

8:00 AM

Sunny

63° 💧 None 💨 8 mph H 91%30.09 inHg

11:00 AM

Sunny

74° 💧 None 💨 7 mph H 64%30.09 inHg

2:00 PM

Sunny

82° 💧 None 💨 7 mph H 42%30.06 inHg

5:00 PM

Sunny

84° 💧 None 💨 7 mph H 39%30.03 inHg

Today

8:00 PM

Sunny

84° 💧 None 💨 4 mph H 63%29.85 inHg

9:00 PM

Clear night

82° 💧 None 💨 4 mph H 68%29.85 inHg

10:00 PM

Clear night

80° 💧 None 💨 4 mph H 73%29.88 inHg

11:00 PM

Mostly clear night

79° 💧 None 💨 6 mph H 76%29.88 inHg

Tomorrow

12:00 AM

Clear night

78° 💧 None 💨 7 mph H 80%29.91 inHg

1:00 AM

Partly cloudy night

77° 💧 None 💨 6 mph H 87%29.91 inHg

2:00 AM

Partly cloudy night

75° 💧 None 💨 5 mph H 90%29.91 inHg

3:00 AM

Partly cloudy night

74° 💧 None 💨 5 mph H 93%29.91 inHg

4:00 AM

Clear night

73° 💧 None 💨 5 mph H 94%29.91 inHg

5:00 AM

Clear night

72° 💧 None 💨 6 mph H 96%29.91 inHg

6:00 AM

Mostly cloudy night

71° 💧 None 💨 6 mph H 97%29.91 inHg

7:00 AM

Overcast night

72° 💧 None 💨 7 mph H 95%29.94 inHg

8:00 AM

Overcast

73° 💧 0.001 in 💨 8 mph H 90%29.94 inHg

9:00 AM

Overcast

73° 💧 0.001 in 💨 9 mph H 86%29.97 inHg

10:00 AM

Overcast

74° 💧 None 💨 9 mph H 79%29.97 inHg

11:00 AM

Overcast

76° 💧 None 💨 9 mph H 71%29.97 inHg

12:00 PM

Sunny

79° 💧 None 💨 9 mph H 63%29.97 inHg

1:00 PM

Sunny

81° 💧 0.000 in 💨 9 mph H 57%29.97 inHg

2:00 PM

Sunny

82° 💧 None 💨 9 mph H 54%29.97 inHg

3:00 PM

Sunny

83° 💧 None 💨 9 mph H 50%29.94 inHg

4:00 PM

Sunny

84° 💧 None 💨 9 mph H 47%29.94 inHg

5:00 PM

Sunny

83° 💧 None 💨 9 mph H 45%29.94 inHg

6:00 PM

Sunny

82° 💧 None 💨 10 mph H 46%29.94 inHg

7:00 PM

Sunny

79° 💧 None 💨 9 mph H 51%29.94 inHg

8:00 PM

Sunny

76° 💧 None 💨 8 mph H 56%29.94 inHg

9:00 PM

Clear night

74° 💧 None 💨 9 mph H 59%29.97 inHg

10:00 PM

Clear night

72° 💧 None 💨 9 mph H 62%30.00 inHg

11:00 PM

Clear night

71° 💧 None 💨 9 mph H 66%30.03 inHg

Monday

12:00 AM

Clear night

70° 💧 None 💨 8 mph H 69%30.03 inHg

1:00 AM

Mostly cloudy night

68° 💧 None 💨 6 mph H 74%30.03 inHg

2:00 AM

Mostly cloudy night

66° 💧 None 💨 7 mph H 77%30.03 inHg

3:00 AM

Clear night

66° 💧 None 💨 7 mph H 78%30.03 inHg

4:00 AM

Clear night

65° 💧 None 💨 8 mph H 80%30.03 inHg

5:00 AM

Mostly clear night

64° 💧 None 💨 6 mph H 86%30.03 inHg

6:00 AM

Clear night

63° 💧 None 💨 7 mph H 90%30.06 inHg

7:00 AM

Clear night

62° 💧 None 💨 7 mph H 93%30.06 inHg

8:00 AM

Sunny

63° 💧 None 💨 8 mph H 91%30.09 inHg

9:00 AM

Sunny

66° 💧 None 💨 8 mph H 83%30.12 inHg

10:00 AM

Sunny

70° 💧 None 💨 7 mph H 74%30.09 inHg

11:00 AM

Sunny

74° 💧 None 💨 7 mph H 64%30.09 inHg

12:00 PM

Sunny

77° 💧 None 💨 7 mph H 53%30.09 inHg

1:00 PM

Sunny

80° 💧 None 💨 6 mph H 46%30.09 inHg

2:00 PM

Sunny

82° 💧 None 💨 7 mph H 42%30.06 inHg

3:00 PM

Sunny

83° 💧 None 💨 7 mph H 40%30.06 inHg

4:00 PM

Sunny

84° 💧 None 💨 7 mph H 39%30.03 inHg

5:00 PM

Sunny

84° 💧 None 💨 7 mph H 39%30.03 inHg

6:00 PM

Sunny

83° 💧 None 💨 6 mph H 40%30.03 inHg

7:00 PM

Sunny

81° 💧 None 💨 5 mph H 49%30.03 inHg

8:00 PM

Sunny

76° 💧 None 💨 5 mph H 59%30.03 inHg

9:00 PM

Clear night

74° 💧 None 💨 6 mph H 63%30.03 inHg

10:00 PM

Clear night

73° 💧 None 💨 7 mph H 64%30.06 inHg

11:00 PM

Clear night

72° 💧 None 💨 7 mph H 67%30.09 inHg

Tuesday

12:00 AM

Mostly clear night

71° 💧 None 💨 6 mph H 71%30.09 inHg

1:00 AM

Mostly clear night

71° 💧 None 💨 7 mph H 72%30.09 inHg

2:00 AM

Mostly clear night

71° 💧 None 💨 7 mph H 72%30.09 inHg

3:00 AM

Clear night

71° 💧 None 💨 7 mph H 72%30.06 inHg

4:00 AM

Clear night

70° 💧 None 💨 6 mph H 74%30.06 inHg

5:00 AM

Clear night

69° 💧 None 💨 6 mph H 74%30.09 inHg

6:00 AM

Clear night

68° 💧 None 💨 5 mph H 77%30.09 inHg

7:00 AM

Mostly clear night

68° 💧 None 💨 5 mph H 81%30.12 inHg

8:00 AM

Sunny

69° 💧 None 💨 6 mph H 84%30.12 inHg

11:00 AM

Mostly sunny

84° 💧 None 💨 7 mph H 59%30.15 inHg

2:00 PM

Mostly sunny

91° 💧 None 💨 6 mph H 41%30.12 inHg

5:00 PM

Partly cloudy

93° 💧 None 💨 5 mph H 35%30.06 inHg

8:00 PM

Mostly cloudy

87° 💧 None 💨 7 mph H 45%30.06 inHg

11:00 PM

Overcast night

80° 💧 None 💨 6 mph H 63%30.09 inHg

Wednesday

2:00 AM

Clear night

78° 💧 None 💨 7 mph H 70%30.09 inHg

5:00 AM

Clear night

77° 💧 None 💨 8 mph H 71%30.12 inHg

8:00 AM

Sunny

76° 💧 None 💨 9 mph H 71%30.15 inHg

11:00 AM

Mostly sunny

86° 💧 None 💨 11 mph H 53%30.15 inHg

2:00 PM

Sunny

94° 💧 None 💨 11 mph H 39%30.09 inHg

5:00 PM

Sunny

96° 💧 None 💨 9 mph H 34%30.00 inHg

8:00 PM

Sunny

89° 💧 None 💨 6 mph H 43%29.97 inHg

11:00 PM

Clear night

85° 💧 None 💨 7 mph H 50%30.00 inHg

Thursday

2:00 AM

Clear night

82° 💧 None 💨 9 mph H 57%29.97 inHg

5:00 AM

Clear night

77° 💧 None 💨 2 mph H 67%30.00 inHg

8:00 AM

Light rain

75° 💧 None 💨 3 mph H 82%30.03 inHg

11:00 AM

Mostly cloudy

85° 💧 None 💨 3 mph H 53%29.97 inHg

2:00 PM

Overcast

91° 💧 None 💨 4 mph H 44%29.94 inHg

5:00 PM

Overcast

80° 💧 None 💨 10 mph H 72%29.91 inHg

8:00 PM

Overcast

76° 💧 None 💨 8 mph H 69%29.91 inHg

11:00 PM

Mostly clear night

72° 💧 None 💨 5 mph H 71%29.97 inHg

Friday

2:00 AM

Clear night

68° 💧 None 💨 5 mph H 89%29.94 inHg

5:00 AM

Clear night

67° 💧 None 💨 6 mph H 95%29.97 inHg

8:00 AM

Sunny

66° 💧 None 💨 7 mph H 88%29.97 inHg

2:00 PM

Overcast

86° 💧 None 💨 5 mph H 33%29.94 inHg

8:00 PM

Mostly sunny

79° 💧 None 💨 6 mph H 36%29.85 inHg

Saturday

2:00 AM

Clear night

70° 💧 None 💨 7 mph H 54%29.88 inHg

8:00 AM

Sunny

67° 💧 None 💨 6 mph H 60%29.91 inHg

2:00 PM

Mostly sunny

92° 💧 None 💨 4 mph H 36%29.88 inHg

8:00 PM

Clear night

87° 💧 None 💨 6 mph H 43%29.83 inHg

Sunday

2:00 AM

Clear night

78° 💧 None 💨 7 mph H 60%29.85 inHg

8:00 AM

Sunny

78° 💧 None 💨 9 mph H 67%29.88 inHg

2:00 PM

Mostly sunny

96° 💧 None 💨 11 mph H 36%29.88 inHg

8:00 PM

Moderate rain

74° 💧 None 💨 3 mph H 98%29.91 inHg

Monday

2:00 AM

Mostly clear night

73° 💧 None 💨 4 mph H 99%29.94 inHg

8:00 AM

Heavy rain

62° 💧 None 💨 10 mph H 97%30.06 inHg

2:00 PM

Partly cloudy

74° 💧 None 💨 11 mph H 55%30.12 inHg

8:00 PM

Clear night

69° 💧 None 💨 7 mph H 63%30.12 inHg

Tuesday

2:00 AM

Clear night

61° 💧 None 💨 7 mph H 78%30.15 inHg

8:00 AM

Sunny

57° 💧 None 💨 6 mph H 87%30.21 inHg

2:00 PM

Mostly sunny

73° 💧 None 💨 6 mph H 47%30.21 inHg

8:00 PM

Clear night

67° 💧 None 💨 6 mph H 64%30.15 inHg

Wednesday

2:00 AM

Mostly clear night

59° 💧 None 💨 4 mph H 86%30.21 inHg

8:00 AM

Sunny

55° 💧 None 💨 6 mph H 85%30.27 inHg

2:00 PM

Sunny

75° 💧 None 💨 6 mph H 43%30.27 inHg

8:00 PM

Clear night

68° 💧 None 💨 7 mph H 57%30.24 inHg

Thursday

2:00 AM

Clear night

58° 💧 None 💨 5 mph H 76%30.27 inHg

8:00 AM

Sunny

56° 💧 None 💨 6 mph H 81%30.30 inHg

2:00 PM

Mostly sunny

77° 💧 None 💨 7 mph H 37%30.27 inHg

8:00 PM

Clear night

70° 💧 None 💨 7 mph H 50%30.21 inHg

Friday

2:00 AM

Mostly clear night

60° 💧 None 💨 4 mph H 74%30.24 inHg

8:00 AM

Mostly sunny

56° 💧 None 💨 4 mph H 85%30.24 inHg

2:00 PM

Mostly cloudy

78° 💧 None 💨 6 mph H 36%30.18 inHg

8:00 PM

Partly cloudy night

72° 💧 None 💨 3 mph H 49%30.09 inHg

Saturday

2:00 AM

Partly cloudy night

63° 💧 None 💨 5 mph H 71%30.06 inHg

8:00 AM

Overcast

62° 💧 None 💨 4 mph H 72%30.03 inHg

2:00 PM

Overcast

80° 💧 None 💨 7 mph H 35%29.97 inHg

8:00 PM

Light rain

67° 💧 None 💨 7 mph H 82%29.94 inHg

Sunday

2:00 AM

Overcast night

65° 💧 None 💨 3 mph H 96%29.91 inHg

8:00 AM

Light rain

65° 💧 None 💨 5 mph H 95%29.91 inHg

In Marengo and, more broadly, across the state of Indiana: Clear skies will continue into the evening with temperatures remaining mild to warm, ranging from 75 to 83 degrees Fahrenheit. Moderate north winds will persist, averaging around 10 mph with gusts up to 21 mph. A slight chance of rain remains possible, with the highest likelihood around 34%. The weather is expected to stay dry for most of the night, but a brief shower cannot be entirely ruled out. Quiet conditions are expected to prevail as the evening progresses, with no significant weather disturbances. Temperatures will gradually settle into the low to mid-70s overnight, making for a comfortable night ahead.

15-Day Weather Outlook for Marengo

TomorrowTomorrow

Mostly sunny 84°/71° 💧 None 💨 10 mph

Monday, Sep 7Mon Sep 7

Mostly cloudy 84°/62° 💧 None 💨 9 mph

Tuesday, Sep 8Tue Sep 8

Mostly sunny 93°/68° 💧 0.010 in 💨 7 mph

Wednesday, Sep 9Wed Sep 9

Mostly cloudy 96°/76° 💧 None 💨 11 mph

Thursday, Sep 10Thu Sep 10

Light rain 91°/75° 💧 0.088 in 💨 10 mph

Friday, Sep 11Fri Sep 11

Overcast 86°/66° 💧 0.001 in 💨 8 mph

Saturday, Sep 12Sat Sep 12

Mostly sunny 92°/67° 💧 None 💨 7 mph

Sunday, Sep 13Sun Sep 13

Mostly sunny 96°/78° 💧 0.001 in 💨 11 mph

Monday, Sep 14Mon Sep 14

Heavy rain 74°/62° 💧 0.666 in 💨 11 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 73°/57° 💧 None 💨 7 mph

Wednesday, Sep 16Wed Sep 16

Mostly sunny 75°/55° 💧 None 💨 6 mph

Thursday, Sep 17Thu Sep 17

Mostly sunny 77°/56° 💧 None 💨 7 mph

Friday, Sep 18Fri Sep 18

Mostly sunny 78°/56° 💧 None 💨 7 mph

Saturday, Sep 19Sat Sep 19

Partly cloudy 80°/62° 💧 0.001 in 💨 7 mph

Sunday, Sep 20Sun Sep 20

Light rain 67°/65° 💧 0.120 in 💨 7 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Marengo

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Marengo

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 8:00 PM

PM2.5 Fine particles Good 5,6µg/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 6,9µg/m³

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

O₃ Ozone Good 59,9µg/m³

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

NO₂ Nitrogen dioxide Good 4,4µg/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 Marengo

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 8,0Very high 😊Good

Tomorrow UV 7,9High 🙂Fair

Monday UV 7,7High 😐Moderate

Tuesday UV 7,5High 🙂Fair

Wednesday UV 7,8High 🙂Fair

Thursday UV 5,0Moderate —Unavailable

Friday UV 7,0High —Unavailable

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.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure.

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 Marengo

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · MARENGO, INDIANA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 12:00 AM–1:00 AM.

98/100Best-hour score

BEST TIME TONIGHT 12:00 AM–1:00 AM Astronomical darkness: 9:40 PM–5:48 AM

☁ Cloud cover 3% Real hourly forecast for the best viewing hour.

☾ Moonlight 32% Last Quarter · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 24° high at the best hour.

✦ Estimated visible meteors 0–2/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min49%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

AUG 28–SEP 5

AurigidsStart AUG 28 · Peak SEP 1 · End SEP 5 · ZHR 6 · 80% Moon at peak

ACTIVE NOW

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

UPCOMING

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

DISCOVER WEATHER NEARBY Weather in other cities

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Forecast data for Marengo were last refreshed today at 7:26 PM. The current forecast period extends through 07/09/2026 at 5:00 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.