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Current weather in Swan is broken clouds.

Where can I find the hourly weather forecast for Swan?

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

Is the weather forecast for Swan updated regularly?

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

Now · 5:51 AM

Swan Weather & Hourly Forecast

United States · Iowa · 50252

71°F

Mostly cloudy night

Feels like: 75°F

💧 Humidity 98% 🌡 Pressure 30.00 inHg 💨 Wind 7 mph 👁 Visibility 8.3 mi ☁ Clouds 85% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Swan

Today

6:00 AM

Mostly cloudy night

71° 💧 0.001 in 💨 7 mph H 98%30.00 inHg

9:00 AM

Overcast

74° 💧 0.001 in 💨 7 mph H 90%30.03 inHg

12:00 PM

Overcast

79° 💧 0.005 in 💨 6 mph H 81%30.06 inHg

3:00 PM

Overcast

81° 💧 0.001 in 💨 7 mph H 75%30.00 inHg

6:00 PM

Overcast

82° 💧 None 💨 5 mph H 72%29.97 inHg

9:00 PM

Clear night

76° 💧 None 💨 9 mph H 75%30.00 inHg

Tomorrow

12:00 AM

Clear night

73° 💧 None 💨 7 mph H 82%30.03 inHg

3:00 AM

Mostly clear night

71° 💧 None 💨 7 mph H 86%30.06 inHg

6:00 AM

Partly cloudy night

69° 💧 None 💨 8 mph H 87%30.06 inHg

9:00 AM

Mostly sunny

70° 💧 None 💨 9 mph H 77%30.09 inHg

12:00 PM

Mostly sunny

78° 💧 None 💨 9 mph H 65%30.09 inHg

3:00 PM

Mostly cloudy

82° 💧 None 💨 12 mph H 58%30.03 inHg

6:00 PM

Mostly cloudy

80° 💧 None 💨 9 mph H 61%30.00 inHg

9:00 PM

Clear night

74° 💧 None 💨 9 mph H 63%30.03 inHg

Tuesday

12:00 AM

Overcast night

71° 💧 None 💨 12 mph H 64%30.03 inHg

3:00 AM

Partly cloudy night

69° 💧 None 💨 10 mph H 68%30.03 inHg

Today

6:00 AM

Mostly cloudy night

71° 💧 0.001 in 💨 7 mph H 98%30.00 inHg

7:00 AM

Overcast

71° 💧 None 💨 6 mph H 98%30.00 inHg

8:00 AM

Mostly cloudy

72° 💧 None 💨 7 mph H 96%30.03 inHg

9:00 AM

Overcast

74° 💧 None 💨 7 mph H 90%30.03 inHg

10:00 AM

Overcast

76° 💧 None 💨 7 mph H 87%30.03 inHg

11:00 AM

Overcast

78° 💧 0.001 in 💨 7 mph H 82%30.06 inHg

12:00 PM

Overcast

79° 💧 0.002 in 💨 6 mph H 81%30.06 inHg

1:00 PM

Overcast

79° 💧 0.002 in 💨 6 mph H 79%30.03 inHg

2:00 PM

Overcast

80° 💧 0.001 in 💨 7 mph H 77%30.03 inHg

3:00 PM

Overcast

81° 💧 0.001 in 💨 7 mph H 75%30.00 inHg

4:00 PM

Overcast

82° 💧 None 💨 7 mph H 72%30.00 inHg

5:00 PM

Overcast

82° 💧 None 💨 6 mph H 70%29.97 inHg

6:00 PM

Overcast

82° 💧 None 💨 5 mph H 72%29.97 inHg

7:00 PM

Overcast

80° 💧 None 💨 4 mph H 80%29.97 inHg

8:00 PM

Clear night

78° 💧 None 💨 8 mph H 79%29.97 inHg

9:00 PM

Clear night

76° 💧 None 💨 9 mph H 75%30.00 inHg

10:00 PM

Clear night

75° 💧 None 💨 8 mph H 77%30.03 inHg

11:00 PM

Clear night

74° 💧 None 💨 8 mph H 80%30.03 inHg

Tomorrow

12:00 AM

Clear night

73° 💧 None 💨 7 mph H 82%30.03 inHg

1:00 AM

Clear night

72° 💧 None 💨 7 mph H 83%30.03 inHg

2:00 AM

Partly cloudy night

71° 💧 None 💨 7 mph H 85%30.06 inHg

3:00 AM

Mostly clear night

71° 💧 None 💨 7 mph H 86%30.06 inHg

4:00 AM

Clear night

70° 💧 None 💨 8 mph H 86%30.06 inHg

5:00 AM

Clear night

69° 💧 None 💨 8 mph H 87%30.06 inHg

6:00 AM

Partly cloudy night

69° 💧 None 💨 8 mph H 87%30.06 inHg

7:00 AM

Overcast

68° 💧 None 💨 8 mph H 87%30.09 inHg

8:00 AM

Partly cloudy

69° 💧 None 💨 9 mph H 82%30.09 inHg

9:00 AM

Mostly sunny

70° 💧 None 💨 9 mph H 77%30.09 inHg

10:00 AM

Mostly sunny

73° 💧 None 💨 9 mph H 72%30.09 inHg

11:00 AM

Mostly sunny

76° 💧 None 💨 8 mph H 69%30.09 inHg

12:00 PM

Mostly sunny

78° 💧 None 💨 9 mph H 65%30.09 inHg

1:00 PM

Partly cloudy

80° 💧 None 💨 11 mph H 62%30.06 inHg

2:00 PM

Mostly cloudy

81° 💧 None 💨 11 mph H 59%30.03 inHg

3:00 PM

Mostly cloudy

82° 💧 None 💨 12 mph H 58%30.03 inHg

4:00 PM

Partly cloudy

82° 💧 None 💨 12 mph H 57%30.00 inHg

5:00 PM

Overcast

81° 💧 None 💨 11 mph H 56%30.00 inHg

6:00 PM

Mostly cloudy

80° 💧 None 💨 9 mph H 61%30.00 inHg

7:00 PM

Mostly sunny

77° 💧 None 💨 9 mph H 63%29.97 inHg

8:00 PM

Mostly clear night

75° 💧 None 💨 10 mph H 62%30.00 inHg

9:00 PM

Clear night

74° 💧 None 💨 9 mph H 63%30.03 inHg

10:00 PM

Mostly cloudy night

73° 💧 None 💨 11 mph H 63%30.03 inHg

11:00 PM

Overcast night

72° 💧 None 💨 12 mph H 63%30.03 inHg

Tuesday

12:00 AM

Overcast night

71° 💧 None 💨 12 mph H 64%30.03 inHg

1:00 AM

Overcast night

71° 💧 None 💨 11 mph H 65%30.03 inHg

2:00 AM

Overcast night

70° 💧 None 💨 11 mph H 66%30.03 inHg

3:00 AM

Partly cloudy night

69° 💧 None 💨 10 mph H 68%30.03 inHg

4:00 AM

Clear night

69° 💧 None 💨 10 mph H 69%30.00 inHg

5:00 AM

Clear night

68° 💧 None 💨 10 mph H 69%30.00 inHg

6:00 AM

Clear night

69° 💧 None 💨 9 mph H 68%30.00 inHg

7:00 AM

Mostly sunny

69° 💧 None 💨 8 mph H 68%30.00 inHg

8:00 AM

Mostly sunny

71° 💧 None 💨 9 mph H 67%30.00 inHg

9:00 AM

Mostly cloudy

74° 💧 None 💨 7 mph H 66%30.00 inHg

10:00 AM

Partly cloudy

77° 💧 None 💨 7 mph H 61%30.00 inHg

11:00 AM

Mostly cloudy

81° 💧 None 💨 8 mph H 59%29.97 inHg

12:00 PM

Sunny

84° 💧 None 💨 9 mph H 55%29.97 inHg

1:00 PM

Mostly sunny

88° 💧 None 💨 9 mph H 53%29.94 inHg

2:00 PM

Mostly sunny

90° 💧 None 💨 9 mph H 51%29.91 inHg

3:00 PM

Mostly sunny

92° 💧 None 💨 10 mph H 50%29.91 inHg

4:00 PM

Mostly sunny

93° 💧 None 💨 10 mph H 50%29.88 inHg

5:00 PM

Sunny

92° 💧 None 💨 9 mph H 54%29.88 inHg

6:00 PM

Mostly sunny

90° 💧 None 💨 9 mph H 58%29.85 inHg

7:00 PM

Mostly cloudy

87° 💧 None 💨 8 mph H 60%29.85 inHg

10:00 PM

Clear night

83° 💧 None 💨 9 mph H 60%29.88 inHg

Wednesday

1:00 AM

Mostly clear night

75° 💧 None 💨 2 mph H 93%29.94 inHg

4:00 AM

Moderate rain

72° 💧 None 💨 6 mph H 97%30.00 inHg

7:00 AM

Partly cloudy

72° 💧 None 💨 6 mph H 98%30.03 inHg

10:00 AM

Overcast

75° 💧 None 💨 5 mph H 95%30.06 inHg

1:00 PM

Overcast

82° 💧 None 💨 7 mph H 58%30.06 inHg

4:00 PM

Mostly cloudy

83° 💧 None 💨 5 mph H 50%30.03 inHg

7:00 PM

Mostly sunny

76° 💧 None 💨 4 mph H 72%30.00 inHg

10:00 PM

Partly cloudy night

70° 💧 None 💨 2 mph H 85%30.03 inHg

Thursday

1:00 AM

Mostly clear night

67° 💧 None 💨 4 mph H 92%30.00 inHg

4:00 AM

Mostly cloudy night

65° 💧 None 💨 7 mph H 83%30.03 inHg

7:00 AM

Sunny

61° 💧 None 💨 4 mph H 88%30.06 inHg

10:00 AM

Sunny

71° 💧 None 💨 2 mph H 69%30.06 inHg

1:00 PM

Sunny

76° 💧 None 💨 2 mph H 54%30.03 inHg

4:00 PM

Sunny

77° 💧 None 💨 0 mph H 53%29.97 inHg

7:00 PM

Sunny

73° 💧 None 💨 2 mph H 74%29.91 inHg

10:00 PM

Clear night

67° 💧 None 💨 5 mph H 77%29.94 inHg

Friday

1:00 AM

Clear night

65° 💧 None 💨 5 mph H 82%29.91 inHg

4:00 AM

Partly cloudy night

63° 💧 None 💨 6 mph H 83%29.85 inHg

7:00 AM

Overcast

63° 💧 None 💨 6 mph H 82%29.85 inHg

10:00 AM

Moderate rain

66° 💧 None 💨 11 mph H 91%29.83 inHg

1:00 PM

Heavy rain

71° 💧 None 💨 26 mph H 95%29.68 inHg

4:00 PM

Mostly sunny

80° 💧 None 💨 12 mph H 78%29.68 inHg

7:00 PM

Mostly sunny

78° 💧 None 💨 5 mph H 83%29.65 inHg

Saturday

1:00 AM

Mostly clear night

71° 💧 None 💨 5 mph H 98%29.71 inHg

7:00 AM

Overcast

69° 💧 None 💨 5 mph H 98%29.80 inHg

1:00 PM

Overcast

77° 💧 None 💨 4 mph H 78%29.85 inHg

7:00 PM

Partly cloudy

76° 💧 None 💨 5 mph H 84%29.80 inHg

Sunday

1:00 AM

Mostly clear night

74° 💧 None 💨 11 mph H 93%29.80 inHg

7:00 AM

Mostly sunny

77° 💧 None 💨 11 mph H 76%29.71 inHg

1:00 PM

Mostly sunny

88° 💧 None 💨 17 mph H 62%29.71 inHg

7:00 PM

Sunny

86° 💧 None 💨 15 mph H 67%29.68 inHg

Monday

1:00 AM

Light rain

72° 💧 None 💨 8 mph H 98%29.83 inHg

7:00 AM

Mostly cloudy

72° 💧 None 💨 4 mph H 94%29.83 inHg

1:00 PM

Light rain

75° 💧 None 💨 9 mph H 86%29.88 inHg

7:00 PM

Light rain

64° 💧 None 💨 12 mph H 93%29.97 inHg

Tuesday

1:00 AM

Mostly clear night

60° 💧 None 💨 8 mph H 81%30.09 inHg

7:00 AM

Sunny

55° 💧 None 💨 7 mph H 82%30.21 inHg

1:00 PM

Mostly cloudy

66° 💧 None 💨 9 mph H 54%30.24 inHg

7:00 PM

Mostly cloudy

64° 💧 None 💨 4 mph H 68%30.21 inHg

Wednesday

1:00 AM

Partly cloudy night

56° 💧 None 💨 4 mph H 88%30.27 inHg

7:00 AM

Partly cloudy

52° 💧 None 💨 3 mph H 91%30.30 inHg

1:00 PM

Sunny

68° 💧 None 💨 2 mph H 54%30.30 inHg

7:00 PM

Sunny

64° 💧 None 💨 3 mph H 72%30.21 inHg

Thursday

1:00 AM

Clear night

58° 💧 None 💨 4 mph H 87%30.18 inHg

7:00 AM

Sunny

54° 💧 None 💨 4 mph H 94%30.15 inHg

1:00 PM

Sunny

72° 💧 None 💨 9 mph H 61%30.06 inHg

7:00 PM

Overcast

71° 💧 None 💨 6 mph H 69%29.94 inHg

Friday

1:00 AM

Partly cloudy night

67° 💧 None 💨 7 mph H 85%29.91 inHg

7:00 AM

Overcast

64° 💧 None 💨 2 mph H 97%29.88 inHg

1:00 PM

Moderate rain

65° 💧 None 💨 11 mph H 91%29.91 inHg

7:00 PM

Sunny

61° 💧 None 💨 4 mph H 67%29.94 inHg

Saturday

1:00 AM

Clear night

53° 💧 None 💨 4 mph H 87%30.03 inHg

7:00 AM

Sunny

48° 💧 None 💨 4 mph H 85%30.09 inHg

1:00 PM

Overcast

65° 💧 None 💨 6 mph H 45%30.15 inHg

7:00 PM

Overcast

56° 💧 None 💨 5 mph H 74%30.18 inHg

Sunday

1:00 AM

Clear night

50° 💧 None 💨 7 mph H 83%30.27 inHg

7:00 AM

Sunny

45° 💧 None 💨 7 mph H 80%30.36 inHg

1:00 PM

Sunny

58° 💧 None 💨 10 mph H 47%30.42 inHg

7:00 PM

Sunny

54° 💧 None 💨 4 mph H 66%30.39 inHg

In Swan and, more broadly, across the state of Iowa: The evening will be mostly cloudy with temperatures remaining warm, ranging from 85 to 88 degrees Fahrenheit. Winds will be coming from the east at around 12 mph, with occasional gusts reaching up to 24 mph. No precipitation is expected during the next few hours, so conditions should remain dry. It will stay quite warm, and the moderate breeze may provide some relief from the heat. Be mindful of the gusty winds, especially if you plan to be outdoors. Overall, expect a warm and breezy evening with mostly cloudy skies and no rain.

15-Day Weather Outlook for Swan

TomorrowTomorrow

Overcast 82°/68° 💧 None 💨 12 mph

Tuesday, Sep 8Tue Sep 8

Mostly sunny 93°/68° 💧 None 💨 12 mph

Wednesday, Sep 9Wed Sep 9

Moderate rain 87°/72° 💧 0.930 in 💨 9 mph

Thursday, Sep 10Thu Sep 10

Mostly sunny 77°/61° 💧 None 💨 7 mph

Friday, Sep 11Fri Sep 11

Heavy rain 80°/63° 💧 0.456 in 💨 26 mph

Saturday, Sep 12Sat Sep 12

Overcast 78°/69° 💧 0.461 in 💨 5 mph

Sunday, Sep 13Sun Sep 13

Partly cloudy 88°/74° 💧 0.003 in 💨 17 mph

Monday, Sep 14Mon Sep 14

Light rain 86°/72° 💧 0.190 in 💨 15 mph

Tuesday, Sep 15Tue Sep 15

Light rain 66°/55° 💧 0.305 in 💨 12 mph

Wednesday, Sep 16Wed Sep 16

Mostly cloudy 68°/52° 💧 0.001 in 💨 4 mph

Thursday, Sep 17Thu Sep 17

Sunny 72°/54° 💧 None 💨 9 mph

Friday, Sep 18Fri Sep 18

Moderate rain 71°/64° 💧 0.357 in 💨 11 mph

Saturday, Sep 19Sat Sep 19

Overcast 65°/48° 💧 0.086 in 💨 6 mph

Sunday, Sep 20Sun Sep 20

Overcast 58°/45° 💧 0.014 in 💨 10 mph

Monday, Sep 21Mon Sep 21

Sunny 54°/54° 💧 None 💨 4 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Swan

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Swan

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 6:00 AM

PM2.5 Fine particles Good 4,8µg/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 Good 48,0µg/m³

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

NO₂ Nitrogen dioxide Good 1,3µg/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 Swan

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 6,8High 😊Good

Tomorrow UV 7,5High 🙂Fair

Tuesday UV 7,2High 😐Moderate

Wednesday UV 5,6Moderate 🙂Fair

Thursday UV 7,0High 🙂Fair

Friday UV 7,0High —Unavailable

Saturday UV 8,0Very high —Unavailable

Hourly UV index today

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

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.

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 Swan

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · SWAN, IOWA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 5:00 AM–6:00 AM.

96/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 9:14 PM–5:09 AM

☁ Cloud cover 2% Real hourly forecast for the best viewing hour.

☾ Moonlight 21% Waning Crescent · Moon about 25° above the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 86° high at the best hour.

✦ Estimated visible meteors 1–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min76%

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.

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Forecast data for Swan were last refreshed today at 5:51 AM. The current forecast period extends through 08/09/2026 at 3:00 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.