What is the weather in Sumner right now?

Current weather in Sumner is overcast clouds.

Where can I find the hourly weather forecast for Sumner?

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

Is the weather forecast for Sumner updated regularly?

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

Now · 6:58 PM

Sumner Weather & Hourly Forecast

United States · Iowa · 50674

82°F

Overcast

Feels like: 87°F

💧 Humidity 71% 🌡 Pressure 29.85 inHg 💨 Wind 4 mph 👁 Visibility 6.2 mi ☁ Clouds 100% ☀️ UV index 0.6 · Low 🌅 Sunrise 6:33 AM 🌇 Sunset 7:44 PM

Hourly Forecast for Sumner

Today

7:00 PM

Overcast

82° 💧 None 💨 4 mph H 71%29.85 inHg

10:00 PM

Mostly cloudy night

80° 💧 None 💨 7 mph H 74%29.85 inHg

Tomorrow

1:00 AM

Mostly clear night

72° 💧 None 💨 7 mph H 80%29.85 inHg

4:00 AM

Overcast night

71° 💧 None 💨 10 mph H 74%29.88 inHg

7:00 AM

Overcast

67° 💧 0.01 in 💨 10 mph H 84%29.88 inHg

10:00 AM

Overcast

74° 💧 None 💨 5 mph H 78%29.91 inHg

1:00 PM

Mostly cloudy

82° 💧 None 💨 4 mph H 59%29.85 inHg

4:00 PM

Mostly cloudy

84° 💧 None 💨 8 mph H 64%29.80 inHg

7:00 PM

Partly cloudy

81° 💧 None 💨 6 mph H 79%29.80 inHg

10:00 PM

Mostly clear night

76° 💧 None 💨 9 mph H 84%29.83 inHg

Thursday

1:00 AM

Mostly clear night

73° 💧 0.01 in 💨 7 mph H 68%29.83 inHg

4:00 AM

Mostly cloudy night

75° 💧 0.02 in 💨 12 mph H 71%29.80 inHg

7:00 AM

Mostly cloudy

71° 💧 0.01 in 💨 2 mph H 88%29.88 inHg

10:00 AM

Overcast

73° 💧 None 💨 6 mph H 88%29.88 inHg

1:00 PM

Overcast

77° 💧 0.01 in 💨 11 mph H 79%29.83 inHg

4:00 PM

Overcast

79° 💧 None 💨 12 mph H 78%29.83 inHg

Today

7:00 PM

Overcast

82° 💧 None 💨 4 mph H 71%29.85 inHg

8:00 PM

Overcast night

82° 💧 None 💨 5 mph H 72%29.85 inHg

9:00 PM

Mostly cloudy night

81° 💧 None 💨 7 mph H 73%29.85 inHg

10:00 PM

Mostly cloudy night

80° 💧 None 💨 7 mph H 74%29.85 inHg

11:00 PM

Partly cloudy night

77° 💧 None 💨 8 mph H 75%29.85 inHg

Tomorrow

12:00 AM

Mostly clear night

73° 💧 None 💨 8 mph H 77%29.83 inHg

1:00 AM

Mostly clear night

72° 💧 None 💨 7 mph H 80%29.85 inHg

2:00 AM

Mostly cloudy night

72° 💧 None 💨 8 mph H 82%29.85 inHg

3:00 AM

Overcast night

72° 💧 None 💨 3 mph H 77%29.88 inHg

4:00 AM

Overcast night

71° 💧 None 💨 10 mph H 74%29.88 inHg

5:00 AM

Overcast night

69° 💧 None 💨 15 mph H 81%29.88 inHg

6:00 AM

Overcast night

67° 💧 None 💨 11 mph H 87%29.88 inHg

7:00 AM

Overcast

67° 💧 None 💨 10 mph H 84%29.88 inHg

8:00 AM

Light rain

67° 💧 0.01 in 💨 9 mph H 87%29.91 inHg

9:00 AM

Overcast

70° 💧 None 💨 8 mph H 83%29.91 inHg

10:00 AM

Overcast

74° 💧 None 💨 5 mph H 78%29.91 inHg

11:00 AM

Overcast

77° 💧 None 💨 5 mph H 71%29.88 inHg

12:00 PM

Mostly cloudy

79° 💧 None 💨 2 mph H 63%29.88 inHg

1:00 PM

Mostly cloudy

82° 💧 None 💨 4 mph H 59%29.85 inHg

2:00 PM

Partly cloudy

85° 💧 None 💨 4 mph H 55%29.85 inHg

3:00 PM

Partly cloudy

86° 💧 None 💨 8 mph H 53%29.88 inHg

4:00 PM

Mostly cloudy

84° 💧 None 💨 8 mph H 64%29.80 inHg

5:00 PM

Mostly cloudy

86° 💧 None 💨 6 mph H 62%29.80 inHg

6:00 PM

Partly cloudy

85° 💧 None 💨 4 mph H 72%29.80 inHg

7:00 PM

Partly cloudy

81° 💧 None 💨 6 mph H 79%29.80 inHg

8:00 PM

Clear night

79° 💧 None 💨 7 mph H 84%29.83 inHg

9:00 PM

Mostly clear night

77° 💧 None 💨 8 mph H 84%29.83 inHg

10:00 PM

Mostly clear night

76° 💧 None 💨 9 mph H 84%29.83 inHg

11:00 PM

Mostly clear night

76° 💧 None 💨 8 mph H 79%29.83 inHg

Thursday

12:00 AM

Mostly clear night

75° 💧 None 💨 7 mph H 69%29.83 inHg

1:00 AM

Mostly clear night

73° 💧 None 💨 7 mph H 68%29.83 inHg

2:00 AM

Light rain

75° 💧 0.01 in 💨 0 mph H 67%29.83 inHg

3:00 AM

Light rain

75° 💧 0.01 in 💨 7 mph H 68%29.80 inHg

4:00 AM

Mostly cloudy night

75° 💧 None 💨 12 mph H 71%29.80 inHg

5:00 AM

Light rain

73° 💧 0.01 in 💨 9 mph H 81%29.83 inHg

6:00 AM

Light rain

72° 💧 0.01 in 💨 5 mph H 86%29.85 inHg

7:00 AM

Mostly cloudy

71° 💧 None 💨 2 mph H 88%29.88 inHg

8:00 AM

Light rain

71° 💧 0.01 in 💨 4 mph H 91%29.88 inHg

9:00 AM

Overcast

72° 💧 None 💨 8 mph H 90%29.85 inHg

10:00 AM

Overcast

73° 💧 None 💨 6 mph H 88%29.88 inHg

11:00 AM

Overcast

73° 💧 None 💨 8 mph H 88%29.88 inHg

12:00 PM

Overcast

76° 💧 None 💨 9 mph H 84%29.85 inHg

1:00 PM

Overcast

77° 💧 None 💨 11 mph H 79%29.83 inHg

2:00 PM

Light rain

83° 💧 0.00 in 💨 11 mph H 66%29.85 inHg

3:00 PM

Light rain

79° 💧 0.00 in 💨 11 mph H 76%29.83 inHg

4:00 PM

Overcast

79° 💧 None 💨 12 mph H 78%29.83 inHg

5:00 PM

Overcast

84° 💧 None 💨 11 mph H 71%29.83 inHg

6:00 PM

Mostly cloudy

84° 💧 None 💨 11 mph H 73%29.80 inHg

7:00 PM

Mostly cloudy

82° 💧 None 💨 11 mph H 79%29.80 inHg

8:00 PM

Mostly clear night

79° 💧 None 💨 12 mph H 80%29.80 inHg

9:00 PM

Clear night

80° 💧 None 💨 11 mph H 76%29.83 inHg

10:00 PM

Clear night

79° 💧 None 💨 11 mph H 78%29.83 inHg

11:00 PM

Clear night

80° 💧 None 💨 14 mph H 68%29.80 inHg

Friday

12:00 AM

Clear night

78° 💧 None 💨 12 mph H 70%29.80 inHg

1:00 AM

Clear night

75° 💧 None 💨 9 mph H 79%29.83 inHg

2:00 AM

Clear night

73° 💧 None 💨 8 mph H 83%29.80 inHg

3:00 AM

Clear night

74° 💧 None 💨 9 mph H 77%29.80 inHg

4:00 AM

Clear night

73° 💧 None 💨 7 mph H 72%29.80 inHg

5:00 AM

Light rain

70° 💧 0.01 in 💨 7 mph H 80%29.80 inHg

6:00 AM

Light rain

69° 💧 0.03 in 💨 1 mph H 84%29.85 inHg

7:00 AM

Light rain

68° 💧 0.03 in 💨 4 mph H 87%29.85 inHg

8:00 AM

Mostly cloudy

71° 💧 None 💨 6 mph H 86%29.88 inHg

9:00 AM

Partly cloudy

74° 💧 None 💨 8 mph H 84%29.88 inHg

10:00 AM

Partly cloudy

79° 💧 None 💨 9 mph H 72%29.88 inHg

11:00 AM

Partly cloudy

83° 💧 None 💨 12 mph H 64%29.91 inHg

12:00 PM

Partly cloudy

80° 💧 None 💨 7 mph H 72%29.88 inHg

1:00 PM

Light rain

80° 💧 0.01 in 💨 10 mph H 64%29.85 inHg

2:00 PM

Light rain

86° 💧 0.01 in 💨 14 mph H 64%29.88 inHg

3:00 PM

Overcast

87° 💧 None 💨 11 mph H 63%29.83 inHg

4:00 PM

Overcast

86° 💧 None 💨 9 mph H 66%29.83 inHg

5:00 PM

Overcast

87° 💧 None 💨 8 mph H 66%29.83 inHg

6:00 PM

Overcast

86° 💧 None 💨 6 mph H 71%29.83 inHg

7:00 PM

Overcast

83° 💧 None 💨 8 mph H 75%29.83 inHg

8:00 PM

Mostly clear night

80° 💧 None 💨 9 mph H 77%29.83 inHg

9:00 PM

Mostly clear night

78° 💧 None 💨 8 mph H 79%29.85 inHg

10:00 PM

Mostly clear night

77° 💧 None 💨 8 mph H 77%29.85 inHg

11:00 PM

Mostly clear night

77° 💧 None 💨 6 mph H 73%29.85 inHg

Saturday

12:00 AM

Partly cloudy night

77° 💧 None 💨 9 mph H 68%29.85 inHg

1:00 AM

Partly cloudy night

75° 💧 None 💨 7 mph H 68%29.88 inHg

2:00 AM

Overcast night

75° 💧 None 💨 8 mph H 69%29.85 inHg

3:00 AM

Overcast night

74° 💧 None 💨 2 mph H 74%29.88 inHg

4:00 AM

Overcast night

73° 💧 None 💨 8 mph H 76%29.88 inHg

5:00 AM

Mostly cloudy night

72° 💧 None 💨 9 mph H 81%29.88 inHg

6:00 AM

Mostly cloudy night

72° 💧 None 💨 8 mph H 82%29.88 inHg

7:00 AM

Mostly cloudy

71° 💧 None 💨 7 mph H 86%29.88 inHg

8:00 AM

Overcast

74° 💧 None 💨 5 mph H 86%29.88 inHg

9:00 AM

Overcast

78° 💧 None 💨 7 mph H 79%29.91 inHg

10:00 AM

Overcast

81° 💧 None 💨 9 mph H 73%29.91 inHg

11:00 AM

Overcast

84° 💧 None 💨 10 mph H 68%29.91 inHg

12:00 PM

Overcast

86° 💧 None 💨 9 mph H 63%29.88 inHg

1:00 PM

Overcast

88° 💧 None 💨 9 mph H 58%29.88 inHg

2:00 PM

Sunny

90° 💧 None 💨 9 mph H 55%29.88 inHg

3:00 PM

Sunny

91° 💧 None 💨 9 mph H 53%29.85 inHg

4:00 PM

Mostly sunny

91° 💧 None 💨 8 mph H 55%29.85 inHg

5:00 PM

Partly cloudy

89° 💧 None 💨 8 mph H 63%29.85 inHg

6:00 PM

Partly cloudy

86° 💧 None 💨 8 mph H 73%29.83 inHg

In Sumner and, more broadly, across the state of Iowa: The evening will bring a mix of sun and clouds, with temperatures remaining hot, ranging from 88 to 91 degrees Fahrenheit. Light northeast winds will persist, with speeds up to 9 mph and gusts reaching 20 mph. No rain is expected during the next few hours, so conditions will be dry. It will stay warm through the evening, with no significant changes in temperature or weather patterns. Overall, it should be a warm and partly cloudy night with gentle breezes.

15-Day Weather Outlook for Sumner

TomorrowTomorrow

Light rain 86°/67° 💧 0.01 in 💨 15 mph

Thursday, Sep 3Thu Sep 3

Light rain 84°/71° 💧 0.05 in 💨 14 mph

Friday, Sep 4Fri Sep 4

Light rain 87°/68° 💧 0.09 in 💨 14 mph

Saturday, Sep 5Sat Sep 5

Overcast 91°/71° 💧 None 💨 11 mph

Sunday, Sep 6Sun Sep 6

Partly cloudy 90°/74° 💧 None 💨 9 mph

Monday, Sep 7Mon Sep 7

Heavy rain 85°/67° 💧 1.90 in 💨 14 mph

Tuesday, Sep 8Tue Sep 8

Light rain 67°/52° 💧 0.11 in 💨 19 mph

Wednesday, Sep 9Wed Sep 9

Moderate rain 55°/49° 💧 0.17 in 💨 15 mph

Thursday, Sep 10Thu Sep 10

Light rain 70°/53° 💧 0.22 in 💨 13 mph

Friday, Sep 11Fri Sep 11

Light rain 71°/59° 💧 0.03 in 💨 22 mph

Saturday, Sep 12Sat Sep 12

Sunny 70°/52° 💧 None 💨 13 mph

Sunday, Sep 13Sun Sep 13

Mostly cloudy 68°/53° 💧 None 💨 10 mph

Monday, Sep 14Mon Sep 14

Mostly cloudy 69°/51° 💧 None 💨 7 mph

Tuesday, Sep 15Tue Sep 15

Sunny 71°/50° 💧 None 💨 11 mph

Wednesday, Sep 16Wed Sep 16

Overcast 80°/57° 💧 None 💨 21 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Sumner

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Sumner

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 7:00 PM

PM2.5 Fine particles Good 7,7µg/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 8,4µg/m³

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

O₃ Ozone Fair 60,9µg/m³

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

NO₂ Nitrogen dioxide Good 3,6µg/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 Sumner

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 7,2High 🙂Fair

Tomorrow UV 7,2High 🙂Fair

Thursday UV 4,1Moderate 🙂Fair

Friday UV 4,8Moderate 🙂Fair

Saturday UV 6,8High 🙂Fair

Sunday UV 7,0High —Unavailable

Monday UV 6,0High —Unavailable

Hourly UV index today

7:00 PMUV 0,1

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

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

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 Sumner

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 3.68 Population: 2,106

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Forecast data for Sumner were last refreshed today at 6:58 PM. The current forecast period extends through 03/09/2026 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.