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Current weather in Marengo is overcast clouds.

Where can I find the hourly weather forecast for Marengo?

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

Is the weather forecast for Marengo updated regularly?

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

Now · 1:58 PM

Marengo Weather & Hourly Forecast

United States · Iowa · 52301

80°F

Overcast

Feels like: 85°F

💧 Humidity 74% 🌡 Pressure 30.00 inHg 💨 Wind 5 mph 👁 Visibility 18.1 mi ☁ Clouds 95% ☀️ UV index 4.9 · Moderate 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Marengo

Today

2:00 PM

Overcast

80° 💧 0.001 in 💨 5 mph H 74%30.00 inHg

5:00 PM

Partly cloudy

82° 💧 None 💨 4 mph H 61%29.97 inHg

8:00 PM

Clear night

74° 💧 None 💨 2 mph H 82%29.97 inHg

11:00 PM

Mostly cloudy night

69° 💧 None 💨 3 mph H 91%30.00 inHg

Tomorrow

2:00 AM

Partly cloudy night

67° 💧 None 💨 6 mph H 81%30.00 inHg

5:00 AM

Mostly cloudy night

64° 💧 None 💨 6 mph H 85%30.00 inHg

8:00 AM

Mostly cloudy

64° 💧 None 💨 4 mph H 84%30.03 inHg

11:00 AM

Sunny

74° 💧 None 💨 5 mph H 59%30.03 inHg

2:00 PM

Sunny

77° 💧 None 💨 4 mph H 49%30.00 inHg

5:00 PM

Sunny

77° 💧 None 💨 5 mph H 50%29.97 inHg

8:00 PM

Clear night

69° 💧 None 💨 2 mph H 74%29.94 inHg

11:00 PM

Clear night

64° 💧 None 💨 3 mph H 86%30.00 inHg

Friday

2:00 AM

Clear night

61° 💧 None 💨 4 mph H 86%29.97 inHg

5:00 AM

Clear night

60° 💧 None 💨 5 mph H 90%29.97 inHg

8:00 AM

Sunny

63° 💧 None 💨 7 mph H 86%29.97 inHg

11:00 AM

Sunny

74° 💧 None 💨 8 mph H 71%29.94 inHg

Today

2:00 PM

Overcast

80° 💧 0.001 in 💨 5 mph H 74%30.00 inHg

3:00 PM

Mostly cloudy

81° 💧 None 💨 4 mph H 66%30.00 inHg

4:00 PM

Mostly cloudy

82° 💧 None 💨 4 mph H 61%30.00 inHg

5:00 PM

Partly cloudy

82° 💧 None 💨 4 mph H 61%29.97 inHg

6:00 PM

Mostly sunny

81° 💧 None 💨 2 mph H 66%29.97 inHg

7:00 PM

Sunny

78° 💧 None 💨 2 mph H 77%29.97 inHg

8:00 PM

Clear night

74° 💧 None 💨 2 mph H 82%29.97 inHg

9:00 PM

Mostly clear night

72° 💧 None 💨 2 mph H 86%30.00 inHg

10:00 PM

Mostly clear night

71° 💧 None 💨 1 mph H 88%30.00 inHg

11:00 PM

Mostly cloudy night

69° 💧 None 💨 3 mph H 91%30.00 inHg

Tomorrow

12:00 AM

Mostly cloudy night

69° 💧 None 💨 4 mph H 91%30.00 inHg

1:00 AM

Mostly clear night

68° 💧 None 💨 7 mph H 89%30.00 inHg

2:00 AM

Partly cloudy night

67° 💧 None 💨 6 mph H 81%30.00 inHg

3:00 AM

Mostly cloudy night

65° 💧 None 💨 5 mph H 82%30.03 inHg

4:00 AM

Overcast night

64° 💧 None 💨 6 mph H 84%30.03 inHg

5:00 AM

Mostly cloudy night

64° 💧 None 💨 6 mph H 85%30.00 inHg

6:00 AM

Overcast night

63° 💧 None 💨 6 mph H 86%30.03 inHg

7:00 AM

Mostly sunny

62° 💧 None 💨 3 mph H 88%30.03 inHg

8:00 AM

Mostly cloudy

64° 💧 None 💨 4 mph H 84%30.03 inHg

9:00 AM

Mostly cloudy

68° 💧 None 💨 3 mph H 79%30.03 inHg

10:00 AM

Sunny

72° 💧 None 💨 3 mph H 68%30.03 inHg

11:00 AM

Sunny

74° 💧 None 💨 5 mph H 59%30.03 inHg

12:00 PM

Sunny

76° 💧 None 💨 5 mph H 53%30.03 inHg

1:00 PM

Sunny

77° 💧 None 💨 5 mph H 51%30.03 inHg

2:00 PM

Sunny

77° 💧 None 💨 4 mph H 49%30.00 inHg

3:00 PM

Sunny

78° 💧 None 💨 4 mph H 47%29.97 inHg

4:00 PM

Sunny

78° 💧 None 💨 4 mph H 48%29.97 inHg

5:00 PM

Sunny

77° 💧 None 💨 5 mph H 50%29.97 inHg

6:00 PM

Sunny

75° 💧 None 💨 4 mph H 56%29.97 inHg

7:00 PM

Sunny

72° 💧 None 💨 3 mph H 71%29.94 inHg

8:00 PM

Clear night

69° 💧 None 💨 2 mph H 74%29.94 inHg

9:00 PM

Clear night

67° 💧 None 💨 2 mph H 79%29.97 inHg

10:00 PM

Clear night

65° 💧 None 💨 2 mph H 83%30.00 inHg

11:00 PM

Clear night

64° 💧 None 💨 3 mph H 86%30.00 inHg

Friday

12:00 AM

Clear night

63° 💧 None 💨 4 mph H 87%30.00 inHg

1:00 AM

Clear night

62° 💧 None 💨 4 mph H 86%29.97 inHg

2:00 AM

Clear night

61° 💧 None 💨 4 mph H 86%29.97 inHg

3:00 AM

Clear night

61° 💧 None 💨 4 mph H 87%29.97 inHg

4:00 AM

Clear night

60° 💧 None 💨 4 mph H 89%29.97 inHg

5:00 AM

Clear night

60° 💧 None 💨 5 mph H 90%29.97 inHg

6:00 AM

Clear night

60° 💧 None 💨 6 mph H 90%29.97 inHg

7:00 AM

Sunny

60° 💧 None 💨 6 mph H 90%29.97 inHg

8:00 AM

Sunny

63° 💧 None 💨 7 mph H 86%29.97 inHg

9:00 AM

Sunny

67° 💧 None 💨 6 mph H 82%29.97 inHg

10:00 AM

Sunny

71° 💧 None 💨 7 mph H 77%29.97 inHg

11:00 AM

Sunny

74° 💧 None 💨 8 mph H 71%29.94 inHg

12:00 PM

Sunny

76° 💧 None 💨 9 mph H 66%29.94 inHg

1:00 PM

Sunny

78° 💧 None 💨 9 mph H 63%29.91 inHg

2:00 PM

Sunny

79° 💧 None 💨 9 mph H 62%29.88 inHg

3:00 PM

Mostly sunny

79° 💧 None 💨 10 mph H 61%29.85 inHg

4:00 PM

Mostly sunny

79° 💧 None 💨 10 mph H 62%29.85 inHg

5:00 PM

Mostly sunny

79° 💧 None 💨 10 mph H 62%29.83 inHg

6:00 PM

Partly cloudy

78° 💧 None 💨 8 mph H 68%29.83 inHg

7:00 PM

Mostly cloudy

75° 💧 None 💨 6 mph H 75%29.80 inHg

8:00 PM

Partly cloudy night

72° 💧 None 💨 7 mph H 80%29.80 inHg

9:00 PM

Partly cloudy night

71° 💧 None 💨 9 mph H 79%29.80 inHg

10:00 PM

Partly cloudy night

70° 💧 None 💨 9 mph H 80%29.83 inHg

11:00 PM

Partly cloudy night

70° 💧 None 💨 10 mph H 81%29.83 inHg

Saturday

12:00 AM

Mostly cloudy night

70° 💧 None 💨 10 mph H 83%29.83 inHg

1:00 AM

Mostly cloudy night

69° 💧 None 💨 9 mph H 85%29.83 inHg

2:00 AM

Mostly clear night

69° 💧 None 💨 9 mph H 88%29.80 inHg

3:00 AM

Clear night

68° 💧 None 💨 10 mph H 90%29.80 inHg

4:00 AM

Overcast night

68° 💧 None 💨 10 mph H 91%29.77 inHg

5:00 AM

Thunderstorms

68° 💧 0.167 in 💨 10 mph H 94%29.85 inHg

6:00 AM

Moderate rain

68° 💧 0.126 in 💨 8 mph H 95%29.83 inHg

7:00 AM

Light rain

67° 💧 0.010 in 💨 8 mph H 97%29.83 inHg

10:00 AM

Overcast

75° 💧 None 💨 8 mph H 80%29.85 inHg

1:00 PM

Partly cloudy

80° 💧 None 💨 8 mph H 68%29.88 inHg

4:00 PM

Sunny

80° 💧 None 💨 8 mph H 67%29.91 inHg

7:00 PM

Sunny

74° 💧 None 💨 6 mph H 74%29.94 inHg

10:00 PM

Mostly clear night

67° 💧 None 💨 5 mph H 83%30.00 inHg

Sunday

1:00 AM

Mostly cloudy night

63° 💧 None 💨 5 mph H 80%30.03 inHg

4:00 AM

Partly cloudy night

61° 💧 None 💨 5 mph H 77%30.03 inHg

7:00 AM

Mostly sunny

60° 💧 None 💨 6 mph H 80%30.06 inHg

10:00 AM

Mostly sunny

69° 💧 None 💨 7 mph H 69%30.06 inHg

1:00 PM

Mostly sunny

78° 💧 None 💨 9 mph H 58%30.00 inHg

4:00 PM

Overcast

80° 💧 None 💨 9 mph H 70%29.91 inHg

7:00 PM

Partly cloudy

78° 💧 None 💨 9 mph H 78%29.88 inHg

10:00 PM

Clear night

77° 💧 None 💨 13 mph H 78%29.85 inHg

Monday

1:00 AM

Overcast night

77° 💧 None 💨 13 mph H 80%29.85 inHg

4:00 AM

Mostly cloudy night

76° 💧 None 💨 9 mph H 77%29.83 inHg

7:00 AM

Overcast

77° 💧 None 💨 10 mph H 73%29.85 inHg

10:00 AM

Partly cloudy

82° 💧 None 💨 12 mph H 70%29.85 inHg

1:00 PM

Mostly sunny

87° 💧 None 💨 12 mph H 63%29.80 inHg

4:00 PM

Sunny

91° 💧 None 💨 14 mph H 55%29.74 inHg

7:00 PM

Mostly sunny

86° 💧 None 💨 12 mph H 64%29.74 inHg

10:00 PM

Light rain

73° 💧 None 💨 8 mph H 94%29.85 inHg

Tuesday

1:00 AM

Overcast night

73° 💧 None 💨 6 mph H 97%29.91 inHg

7:00 AM

Overcast

67° 💧 None 💨 12 mph H 90%29.94 inHg

1:00 PM

Partly cloudy

58° 💧 None 💨 7 mph H 82%30.12 inHg

7:00 PM

Mostly sunny

70° 💧 None 💨 9 mph H 62%30.18 inHg

Wednesday

1:00 AM

Overcast night

67° 💧 None 💨 5 mph H 71%30.18 inHg

7:00 AM

Partly cloudy

60° 💧 None 💨 6 mph H 83%30.27 inHg

1:00 PM

Overcast

58° 💧 None 💨 5 mph H 90%30.30 inHg

7:00 PM

Overcast

70° 💧 None 💨 8 mph H 67%30.27 inHg

Thursday

1:00 AM

Partly cloudy night

70° 💧 None 💨 7 mph H 68%30.15 inHg

7:00 AM

Sunny

65° 💧 None 💨 9 mph H 81%30.18 inHg

1:00 PM

Mostly cloudy

63° 💧 None 💨 8 mph H 88%30.12 inHg

7:00 PM

Partly cloudy

79° 💧 None 💨 10 mph H 72%30.06 inHg

Friday

1:00 AM

Mostly clear night

74° 💧 None 💨 11 mph H 94%30.03 inHg

7:00 AM

Light thunderstorms

72° 💧 None 💨 6 mph H 96%30.03 inHg

1:00 PM

Partly cloudy

70° 💧 None 💨 3 mph H 97%30.06 inHg

7:00 PM

Overcast

83° 💧 None 💨 2 mph H 72%30.03 inHg

Saturday

1:00 AM

Partly cloudy night

78° 💧 None 💨 8 mph H 87%29.97 inHg

7:00 AM

Mostly sunny

73° 💧 None 💨 9 mph H 96%29.94 inHg

1:00 PM

Mostly cloudy

72° 💧 None 💨 10 mph H 98%29.85 inHg

7:00 PM

Sunny

89° 💧 None 💨 11 mph H 63%29.74 inHg

Sunday

1:00 AM

Light thunderstorms

74° 💧 None 💨 9 mph H 94%29.68 inHg

7:00 AM

Light rain

73° 💧 None 💨 9 mph H 95%29.71 inHg

1:00 PM

Overcast

63° 💧 None 💨 6 mph H 81%29.83 inHg

7:00 PM

Overcast

72° 💧 None 💨 9 mph H 56%29.88 inHg

Monday

1:00 AM

Clear night

67° 💧 None 💨 4 mph H 72%29.85 inHg

7:00 AM

Sunny

58° 💧 None 💨 5 mph H 84%29.97 inHg

1:00 PM

Overcast

58° 💧 None 💨 4 mph H 88%30.00 inHg

7:00 PM

Overcast

68° 💧 None 💨 5 mph H 65%30.00 inHg

Tuesday

1:00 AM

Partly cloudy night

64° 💧 None 💨 8 mph H 77%29.97 inHg

7:00 AM

Sunny

60° 💧 None 💨 8 mph H 85%30.03 inHg

1:00 PM

Sunny

57° 💧 None 💨 7 mph H 94%30.06 inHg

7:00 PM

Sunny

73° 💧 None 💨 9 mph H 65%30.09 inHg

Wednesday

1:00 AM

Mostly clear night

70° 💧 None 💨 6 mph H 73%30.09 inHg

7:00 AM

Overcast

66° 💧 None 💨 7 mph H 83%30.12 inHg

1:00 PM

Overcast

63° 💧 None 💨 3 mph H 91%30.15 inHg

7:00 PM

Overcast

76° 💧 None 💨 2 mph H 66%30.12 inHg

Thursday

1:00 AM

Mostly cloudy night

72° 💧 None 💨 1 mph H 78%30.00 inHg

In Marengo and, more broadly, across the state of Iowa: The rest of the day will feature a mix of sun and clouds, with mild temperatures ranging from 69 to 73 degrees Fahrenheit. Winds will be light, coming from the north at speeds up to 7 mph, with occasional gusts reaching 7 mph. No precipitation is expected, so outdoor plans should be comfortable. Conditions are generally calm, making for a pleasant afternoon.

15-Day Weather Outlook for Marengo

TomorrowTomorrow

Mostly sunny 79°/60° 💧 None 💨 6 mph

Friday, Sep 11Fri Sep 11

Mostly sunny 79°/61° 💧 None 💨 12 mph

Saturday, Sep 12Sat Sep 12

Partly cloudy 80°/66° 💧 0.638 in 💨 9 mph

Sunday, Sep 13Sun Sep 13

Overcast 80°/60° 💧 0.008 in 💨 9 mph

Monday, Sep 14Mon Sep 14

Partly cloudy 91°/76° 💧 0.016 in 💨 14 mph

Tuesday, Sep 15Tue Sep 15

Light rain 86°/58° 💧 0.902 in 💨 12 mph

Wednesday, Sep 16Wed Sep 16

Mostly sunny 70°/58° 💧 None 💨 9 mph

Thursday, Sep 17Thu Sep 17

Overcast 70°/63° 💧 0.011 in 💨 9 mph

Friday, Sep 18Fri Sep 18

Light thunderstorms 79°/70° 💧 0.622 in 💨 11 mph

Saturday, Sep 19Sat Sep 19

Partly cloudy 83°/72° 💧 0.005 in 💨 10 mph

Sunday, Sep 20Sun Sep 20

Light thunderstorms 89°/63° 💧 0.339 in 💨 11 mph

Monday, Sep 21Mon Sep 21

Overcast 72°/58° 💧 None 💨 9 mph

Tuesday, Sep 22Tue Sep 22

Overcast 68°/57° 💧 None 💨 8 mph

Wednesday, Sep 23Wed Sep 23

Mostly sunny 73°/63° 💧 None 💨 9 mph

Thursday, Sep 24Thu Sep 24

Overcast 76°/72° 💧 None 💨 2 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

Fair

Nearest forecast value 2:00 PM

PM2.5 Fine particles Good 5,0µg/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 5,1µg/m³

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

O₃ Ozone Fair 74,1µg/m³

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

NO₂ Nitrogen dioxide Good 0,8µg/m³

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

Air quality is acceptable for most people.

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 5,6Moderate 🙂Fair

Tomorrow UV 6,4High 🙂Fair

Friday UV 6,6High 🙂Fair

Saturday UV 6,1High 🙂Fair

Sunday UV 7,0High 😊Good

Monday UV 6,0High —Unavailable

Tuesday UV 4,0Moderate —Unavailable

Hourly UV index today

2:00 PMUV 5,6 3:00 PMUV 4,6 4:00 PMUV 3,0 5:00 PMUV 1,8 6:00 PMUV 0,6 7:00 PMUV 0,0

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

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Stay hydrated

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

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Marengo

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · MARENGO, IOWA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 9:00 PM–10:00 PM.

90/100Best-hour score

BEST TIME TONIGHT 9:00 PM–10:00 PM Astronomical darkness: 9:04 PM–5:07 AM

☁ Cloud cover 13% Real hourly forecast for the best viewing hour.

☾ Moonlight 4% New Moon · Moon below the horizon at the best viewing hour.

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

✦ Estimated visible meteors 0–1/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min18%

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

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

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% 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 1:58 PM. The current forecast period extends through 11/09/2026 at 11:00 AM. 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.