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 · 4:54 AM

Sumner Weather & Hourly Forecast

United States · Iowa · 50674

51°F

Overcast night

Feels like: 45°F

💧 Humidity 89% 🌡 Pressure 30.27 inHg 💨 Wind 10 mph 👁 Visibility 13.4 mi ☁ Clouds 100% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:54 AM 🌇 Sunset 7:07 PM

Hourly Forecast for Sumner

Today

5:00 AM

Overcast night

51° 💧 0.001 in 💨 10 mph H 89%30.27 inHg

8:00 AM

Overcast

52° 💧 0.000 in 💨 9 mph H 87%30.30 inHg

11:00 AM

Overcast

55° 💧 0.002 in 💨 9 mph H 82%30.33 inHg

2:00 PM

Mostly cloudy

59° 💧 None 💨 10 mph H 69%30.33 inHg

5:00 PM

Mostly sunny

59° 💧 None 💨 9 mph H 61%30.30 inHg

8:00 PM

Clear night

55° 💧 None 💨 9 mph H 71%30.30 inHg

11:00 PM

Mostly clear night

51° 💧 None 💨 5 mph H 81%30.36 inHg

Tomorrow

2:00 AM

Clear night

49° 💧 None 💨 4 mph H 87%30.36 inHg

5:00 AM

Clear night

47° 💧 0.000 in 💨 7 mph H 91%30.39 inHg

8:00 AM

Mostly sunny

48° 💧 None 💨 7 mph H 93%30.42 inHg

11:00 AM

Sunny

60° 💧 None 💨 7 mph H 76%30.42 inHg

2:00 PM

Mostly cloudy

63° 💧 0.005 in 💨 8 mph H 67%30.36 inHg

5:00 PM

Overcast

63° 💧 None 💨 7 mph H 70%30.33 inHg

8:00 PM

Overcast night

60° 💧 None 💨 7 mph H 82%30.33 inHg

11:00 PM

Overcast night

58° 💧 None 💨 8 mph H 86%30.33 inHg

Thursday

2:00 AM

Overcast night

56° 💧 None 💨 7 mph H 88%30.33 inHg

Today

5:00 AM

Overcast night

51° 💧 None 💨 10 mph H 89%30.27 inHg

6:00 AM

Overcast night

51° 💧 0.001 in 💨 10 mph H 88%30.27 inHg

7:00 AM

Overcast

51° 💧 0.000 in 💨 9 mph H 88%30.30 inHg

8:00 AM

Overcast

52° 💧 0.000 in 💨 9 mph H 87%30.30 inHg

9:00 AM

Overcast

53° 💧 None 💨 9 mph H 85%30.33 inHg

10:00 AM

Overcast

54° 💧 None 💨 10 mph H 82%30.33 inHg

11:00 AM

Overcast

55° 💧 0.000 in 💨 9 mph H 82%30.33 inHg

12:00 PM

Overcast

57° 💧 0.001 in 💨 11 mph H 75%30.33 inHg

1:00 PM

Mostly cloudy

58° 💧 0.000 in 💨 10 mph H 72%30.33 inHg

2:00 PM

Mostly cloudy

59° 💧 None 💨 10 mph H 69%30.33 inHg

3:00 PM

Mostly sunny

59° 💧 None 💨 10 mph H 64%30.30 inHg

4:00 PM

Mostly sunny

59° 💧 None 💨 9 mph H 61%30.30 inHg

5:00 PM

Mostly sunny

59° 💧 None 💨 9 mph H 61%30.30 inHg

6:00 PM

Partly cloudy

59° 💧 None 💨 7 mph H 63%30.30 inHg

7:00 PM

Mostly sunny

56° 💧 None 💨 7 mph H 68%30.30 inHg

8:00 PM

Clear night

55° 💧 None 💨 9 mph H 71%30.30 inHg

9:00 PM

Clear night

54° 💧 None 💨 8 mph H 76%30.33 inHg

10:00 PM

Clear night

52° 💧 None 💨 5 mph H 80%30.33 inHg

11:00 PM

Mostly clear night

51° 💧 None 💨 5 mph H 81%30.36 inHg

Tomorrow

12:00 AM

Mostly clear night

51° 💧 None 💨 5 mph H 83%30.36 inHg

1:00 AM

Clear night

51° 💧 None 💨 5 mph H 85%30.36 inHg

2:00 AM

Clear night

49° 💧 None 💨 4 mph H 87%30.36 inHg

3:00 AM

Mostly clear night

48° 💧 None 💨 6 mph H 88%30.36 inHg

4:00 AM

Clear night

48° 💧 None 💨 7 mph H 89%30.36 inHg

5:00 AM

Clear night

47° 💧 0.000 in 💨 7 mph H 91%30.39 inHg

6:00 AM

Clear night

47° 💧 None 💨 8 mph H 93%30.39 inHg

7:00 AM

Sunny

47° 💧 None 💨 7 mph H 95%30.39 inHg

8:00 AM

Mostly sunny

48° 💧 None 💨 7 mph H 93%30.42 inHg

9:00 AM

Partly cloudy

52° 💧 None 💨 7 mph H 87%30.42 inHg

10:00 AM

Sunny

56° 💧 None 💨 7 mph H 81%30.42 inHg

11:00 AM

Sunny

60° 💧 None 💨 7 mph H 76%30.42 inHg

12:00 PM

Partly cloudy

63° 💧 None 💨 9 mph H 66%30.39 inHg

1:00 PM

Overcast

63° 💧 None 💨 9 mph H 63%30.39 inHg

2:00 PM

Mostly cloudy

63° 💧 0.001 in 💨 8 mph H 67%30.36 inHg

3:00 PM

Overcast

64° 💧 0.002 in 💨 8 mph H 65%30.36 inHg

4:00 PM

Overcast

64° 💧 0.002 in 💨 8 mph H 68%30.33 inHg

5:00 PM

Overcast

63° 💧 None 💨 7 mph H 70%30.33 inHg

6:00 PM

Mostly cloudy

63° 💧 None 💨 7 mph H 74%30.33 inHg

7:00 PM

Overcast

60° 💧 None 💨 6 mph H 81%30.33 inHg

8:00 PM

Overcast night

60° 💧 None 💨 7 mph H 82%30.33 inHg

9:00 PM

Overcast night

59° 💧 None 💨 8 mph H 82%30.33 inHg

10:00 PM

Overcast night

59° 💧 None 💨 8 mph H 83%30.33 inHg

11:00 PM

Overcast night

58° 💧 None 💨 8 mph H 86%30.33 inHg

Thursday

12:00 AM

Overcast night

58° 💧 None 💨 8 mph H 87%30.33 inHg

1:00 AM

Mostly cloudy night

57° 💧 None 💨 7 mph H 87%30.36 inHg

2:00 AM

Overcast night

56° 💧 None 💨 7 mph H 88%30.33 inHg

3:00 AM

Overcast night

55° 💧 None 💨 5 mph H 92%30.36 inHg

4:00 AM

Overcast night

54° 💧 None 💨 5 mph H 92%30.33 inHg

5:00 AM

Overcast night

54° 💧 None 💨 5 mph H 91%30.33 inHg

6:00 AM

Overcast night

54° 💧 None 💨 5 mph H 90%30.33 inHg

7:00 AM

Overcast

54° 💧 None 💨 5 mph H 91%30.33 inHg

8:00 AM

Overcast

55° 💧 None 💨 6 mph H 90%30.33 inHg

9:00 AM

Overcast

57° 💧 None 💨 5 mph H 88%30.33 inHg

10:00 AM

Overcast

59° 💧 None 💨 5 mph H 84%30.36 inHg

11:00 AM

Overcast

61° 💧 None 💨 5 mph H 79%30.33 inHg

12:00 PM

Overcast

63° 💧 None 💨 5 mph H 72%30.33 inHg

1:00 PM

Overcast

64° 💧 None 💨 5 mph H 67%30.33 inHg

2:00 PM

Overcast

64° 💧 None 💨 6 mph H 65%30.30 inHg

3:00 PM

Overcast

65° 💧 None 💨 6 mph H 66%30.27 inHg

4:00 PM

Overcast

66° 💧 None 💨 6 mph H 64%30.27 inHg

5:00 PM

Overcast

66° 💧 None 💨 6 mph H 65%30.27 inHg

6:00 PM

Overcast

65° 💧 None 💨 5 mph H 72%30.27 inHg

7:00 PM

Overcast

62° 💧 None 💨 5 mph H 78%30.27 inHg

10:00 PM

Overcast night

57° 💧 None 💨 4 mph H 86%30.27 inHg

Friday

1:00 AM

Overcast night

55° 💧 None 💨 3 mph H 90%30.27 inHg

4:00 AM

Partly cloudy night

54° 💧 None 💨 4 mph H 93%30.27 inHg

7:00 AM

Overcast

55° 💧 None 💨 5 mph H 95%30.27 inHg

10:00 AM

Overcast

63° 💧 None 💨 6 mph H 81%30.30 inHg

1:00 PM

Overcast

66° 💧 None 💨 8 mph H 69%30.27 inHg

4:00 PM

Overcast

66° 💧 None 💨 7 mph H 67%30.24 inHg

7:00 PM

Overcast

63° 💧 None 💨 6 mph H 80%30.21 inHg

10:00 PM

Overcast night

60° 💧 None 💨 8 mph H 90%30.21 inHg

Saturday

1:00 AM

Overcast night

59° 💧 None 💨 9 mph H 85%30.18 inHg

4:00 AM

Mostly cloudy night

56° 💧 None 💨 9 mph H 86%30.18 inHg

7:00 AM

Overcast

56° 💧 None 💨 9 mph H 87%30.18 inHg

10:00 AM

Light rain

56° 💧 None 💨 8 mph H 89%30.18 inHg

1:00 PM

Moderate rain

59° 💧 None 💨 9 mph H 92%30.15 inHg

4:00 PM

Overcast

61° 💧 None 💨 11 mph H 89%30.06 inHg

7:00 PM

Mostly cloudy night

60° 💧 None 💨 10 mph H 88%30.06 inHg

10:00 PM

Overcast night

59° 💧 None 💨 10 mph H 86%30.09 inHg

Sunday

1:00 AM

Overcast night

59° 💧 None 💨 9 mph H 83%30.06 inHg

4:00 AM

Light rain

59° 💧 None 💨 7 mph H 84%30.06 inHg

7:00 AM

Mostly sunny

58° 💧 None 💨 8 mph H 91%30.06 inHg

10:00 AM

Mostly sunny

63° 💧 None 💨 8 mph H 79%30.06 inHg

1:00 PM

Sunny

70° 💧 None 💨 6 mph H 69%30.03 inHg

4:00 PM

Sunny

72° 💧 None 💨 6 mph H 70%30.00 inHg

7:00 PM

Partly cloudy night

66° 💧 None 💨 5 mph H 85%30.00 inHg

Monday

1:00 AM

Clear night

58° 💧 None 💨 4 mph H 93%30.03 inHg

7:00 AM

Clear night

55° 💧 None 💨 5 mph H 96%30.03 inHg

1:00 PM

Sunny

71° 💧 None 💨 6 mph H 65%30.00 inHg

7:00 PM

Partly cloudy night

66° 💧 None 💨 5 mph H 79%29.91 inHg

Tuesday

1:00 AM

Partly cloudy night

58° 💧 None 💨 6 mph H 84%29.94 inHg

7:00 AM

Partly cloudy night

55° 💧 None 💨 6 mph H 88%29.94 inHg

1:00 PM

Partly cloudy

71° 💧 None 💨 9 mph H 56%29.97 inHg

7:00 PM

Overcast night

65° 💧 None 💨 7 mph H 72%29.94 inHg

Wednesday

1:00 AM

Overcast night

59° 💧 None 💨 8 mph H 82%29.97 inHg

7:00 AM

Overcast night

56° 💧 None 💨 8 mph H 82%30.00 inHg

1:00 PM

Overcast

65° 💧 None 💨 7 mph H 73%30.03 inHg

7:00 PM

Overcast night

65° 💧 None 💨 9 mph H 80%30.00 inHg

Thursday

1:00 AM

Overcast night

64° 💧 None 💨 9 mph H 75%30.06 inHg

7:00 AM

Overcast night

62° 💧 None 💨 7 mph H 87%30.06 inHg

1:00 PM

Overcast

73° 💧 None 💨 11 mph H 68%30.06 inHg

7:00 PM

Overcast night

69° 💧 None 💨 7 mph H 79%30.03 inHg

Friday

1:00 AM

Partly cloudy night

67° 💧 None 💨 10 mph H 81%30.06 inHg

7:00 AM

Overcast night

64° 💧 None 💨 8 mph H 71%30.06 inHg

1:00 PM

Partly cloudy

76° 💧 None 💨 6 mph H 60%30.06 inHg

7:00 PM

Clear night

72° 💧 None 💨 7 mph H 79%30.00 inHg

Saturday

1:00 AM

Clear night

68° 💧 None 💨 9 mph H 79%30.00 inHg

7:00 AM

Mostly clear night

63° 💧 None 💨 6 mph H 83%30.00 inHg

1:00 PM

Mostly sunny

78° 💧 None 💨 10 mph H 63%29.97 inHg

7:00 PM

Light rain

70° 💧 None 💨 7 mph H 94%29.91 inHg

Sunday

1:00 AM

Overcast night

67° 💧 None 💨 9 mph H 97%29.85 inHg

7:00 AM

Overcast night

65° 💧 None 💨 17 mph H 91%29.88 inHg

1:00 PM

Overcast

64° 💧 None 💨 15 mph H 56%30.03 inHg

7:00 PM

Clear night

56° 💧 None 💨 10 mph H 65%30.12 inHg

Monday

1:00 AM

Mostly clear night

51° 💧 None 💨 8 mph H 73%30.24 inHg

7:00 AM

Partly cloudy night

46° 💧 None 💨 6 mph H 82%30.30 inHg

1:00 PM

Overcast

59° 💧 None 💨 4 mph H 52%30.27 inHg

7:00 PM

Mostly cloudy night

54° 💧 None 💨 2 mph H 71%30.18 inHg

Tuesday

1:00 AM

Overcast night

53° 💧 None 💨 2 mph H 76%30.18 inHg

7:00 AM

Mostly cloudy night

50° 💧 None 💨 1 mph H 90%30.15 inHg

1:00 PM

Partly cloudy

61° 💧 None 💨 5 mph H 55%30.15 inHg

7:00 PM

Clear night

56° 💧 None 💨 4 mph H 72%30.06 inHg

In Sumner and, more broadly, across the state of Iowa: This morning will start with mostly cloudy skies and cool temperatures ranging from 56 to 58 degrees Fahrenheit. Expect moderate northeast winds at around 11 mph, with gusts reaching up to 20 mph. There is a high likelihood of rain, with possible accumulation totaling around half an inch. As the day progresses into the afternoon, the clouds will remain, and temperatures will stay within the same cool range. The wind will continue to blow from the northeast, maintaining similar speeds and gusts. Overall, the weather remains unsettled, making it a good idea to carry an umbrella if you're heading outdoors. Conditions will stay relatively cool and breezy throughout the day, with rain chances persisting into the afternoon hours.

15-Day Weather Outlook for Sumner

Tuesday, Sep 22Tue Sep 22

Overcast 61°/51° 💧 None 💨 11 mph

TomorrowTomorrow

Mostly sunny 64°/46° 💧 None 💨 9 mph

Thursday, Sep 24Thu Sep 24

Mostly cloudy 65°/52° 💧 0.284 in 💨 7 mph

Friday, Sep 25Fri Sep 25

Overcast 67°/55° 💧 0.004 in 💨 10 mph

Saturday, Sep 26Sat Sep 26

Moderate rain 62°/57° 💧 0.466 in 💨 13 mph

Sunday, Sep 27Sun Sep 27

Moderate rain 71°/57° 💧 0.481 in 💨 9 mph

Monday, Sep 28Mon Sep 28

Partly cloudy 73°/57° 💧 None 💨 10 mph

Tuesday, Sep 29Tue Sep 29

Moderate rain 68°/60° 💧 0.108 in 💨 12 mph

Wednesday, Sep 30Wed Sep 30

Moderate rain 71°/62° 💧 1.080 in 💨 10 mph

Thursday, Oct 1Thu Oct 1

Light rain 69°/63° 💧 0.028 in 💨 9 mph

Friday, Oct 2Fri Oct 2

Light rain 72°/60° 💧 0.096 in 💨 4 mph

Saturday, Oct 3Sat Oct 3

Moderate rain 74°/61° 💧 0.381 in 💨 7 mph

Sunday, Oct 4Sun Oct 4

Overcast 62°/53° 💧 0.082 in 💨 17 mph

Monday, Oct 5Mon Oct 5

Mostly sunny 63°/45° 💧 0.001 in 💨 7 mph

Tuesday, Oct 6Tue Oct 6

Overcast 58°/54° 💧 None 💨 9 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

Good

Nearest forecast value 5:00 AM

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

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

O₃ Ozone Good 50,3µg/m³

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

NO₂ Nitrogen dioxide Good 2,0µg/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 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 1,9Low 😊Good

Tomorrow UV 5,7Moderate 🙂Fair

Thursday UV 2,5Low 🙂Fair

Friday UV 1,0Low 🙂Fair

Saturday UV 4,0Moderate 🙂Fair

Sunday UV 5,0Moderate —Unavailable

Monday UV 5,0Moderate —Unavailable

Hourly UV index today

7:00 AMUV 0,0 8:00 AMUV 0,0 9:00 AMUV 0,1 10:00 AMUV 0,3 11:00 AMUV 0,7 12:00 PMUV 1,2 1:00 PMUV 1,7 2:00 PMUV 1,9 3:00 PMUV 1,5 4:00 PMUV 1,1 5:00 PMUV 0,7 6:00 PMUV 0,2

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

Low UV risk

UV radiation will be low, although basic protection is still advisable during prolonged exposure.

Good air quality

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

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

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

NIGHT SKY · SUMNER, IOWA

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

26/100Best-hour score

No good viewing window tonight Astronomical darkness exists, but current sky conditions are unfavorable.

☁ Cloud cover 100% Real hourly forecast for the best viewing hour.

☾ Moonlight 81% Waxing Gibbous · Moon below the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 61° high at the best hour.

✦ Estimated visible meteors Poor visibility Meteor activity may occur above the clouds, but local viewing conditions are not suitable.

Chance ≥1 meteor in 30 minNot meaningful

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

SEP 20–NOV 20

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

ACTIVE NOW

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

NOV 6–NOV 30

LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% 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

Explore current conditions and forecasts for other locations.

Prince Rupert CA · British Columbia · 12,300 residents Fort Worth US · Texas · 963,194 residents New Britain US · Pennsylvania · 2,821 residents Clagiraba AU · Queensland · 651 residents San Angelo US · Texas · 99,674 residents Tushka US · Oklahoma · 559 residents Highland Village US · Texas · 16,101 residents Onalaska US · Wisconsin · 19,348 residents Mermaid Waters AU · Queensland · 13,088 residents Lexington US · South Carolina · 24,585 residents Willits US · California · 4,920 residents Murrieta US · California · 112,064 residents Mono CA · Ontario · 9,421 residents Smithville-Sanders US · Indiana · 3,299 residents Northmead AU · New South Wales · 11,261 residents Secaucus US · New Jersey · 21,778 residents

Forecast data for Sumner were last refreshed today at 4:54 AM. The current forecast period extends through 24/09/2026 at 2:00 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.