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Current weather in Arnolds Park is few clouds.

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

Now · 8:02 PM

Arnolds Park Weather & Hourly Forecast

United States · Iowa · 51331

68°F

Mostly clear night

Feels like: 68°F

💧 Humidity 75% 🌡 Pressure 30.03 inHg 💨 Wind 5 mph 👁 Visibility 21.9 mi ☁ Clouds 20% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Arnolds Park

Today

9:00 PM

Partly cloudy night

66° 💧 None 💨 4 mph H 80%30.03 inHg

Tomorrow

12:00 AM

Partly cloudy night

64° 💧 None 💨 5 mph H 82%30.03 inHg

3:00 AM

Clear night

61° 💧 None 💨 4 mph H 86%30.03 inHg

6:00 AM

Clear night

59° 💧 None 💨 4 mph H 88%30.06 inHg

9:00 AM

Sunny

65° 💧 None 💨 3 mph H 83%30.06 inHg

12:00 PM

Sunny

75° 💧 None 💨 5 mph H 51%30.03 inHg

3:00 PM

Sunny

77° 💧 None 💨 7 mph H 46%29.97 inHg

6:00 PM

Sunny

75° 💧 None 💨 7 mph H 57%29.94 inHg

9:00 PM

Clear night

68° 💧 None 💨 7 mph H 72%29.91 inHg

Friday

12:00 AM

Clear night

65° 💧 None 💨 10 mph H 77%29.94 inHg

3:00 AM

Clear night

64° 💧 None 💨 11 mph H 76%29.91 inHg

6:00 AM

Mostly cloudy night

62° 💧 None 💨 12 mph H 81%29.88 inHg

9:00 AM

Partly cloudy

65° 💧 None 💨 13 mph H 80%29.85 inHg

12:00 PM

Partly cloudy

74° 💧 None 💨 17 mph H 70%29.80 inHg

3:00 PM

Mostly cloudy

79° 💧 None 💨 18 mph H 57%29.71 inHg

6:00 PM

Overcast

78° 💧 None 💨 17 mph H 65%29.68 inHg

Today

9:00 PM

Partly cloudy night

66° 💧 None 💨 4 mph H 80%30.03 inHg

10:00 PM

Mostly cloudy night

65° 💧 None 💨 5 mph H 82%30.06 inHg

11:00 PM

Mostly cloudy night

64° 💧 None 💨 6 mph H 81%30.06 inHg

Tomorrow

12:00 AM

Partly cloudy night

64° 💧 None 💨 5 mph H 82%30.03 inHg

1:00 AM

Clear night

62° 💧 None 💨 4 mph H 86%30.03 inHg

2:00 AM

Clear night

62° 💧 None 💨 4 mph H 86%30.03 inHg

3:00 AM

Clear night

61° 💧 None 💨 4 mph H 86%30.03 inHg

4:00 AM

Clear night

61° 💧 None 💨 4 mph H 87%30.03 inHg

5:00 AM

Clear night

60° 💧 None 💨 4 mph H 88%30.03 inHg

6:00 AM

Clear night

59° 💧 None 💨 4 mph H 88%30.06 inHg

7:00 AM

Sunny

59° 💧 None 💨 4 mph H 89%30.06 inHg

8:00 AM

Sunny

61° 💧 None 💨 4 mph H 86%30.06 inHg

9:00 AM

Sunny

65° 💧 None 💨 3 mph H 83%30.06 inHg

10:00 AM

Sunny

69° 💧 None 💨 3 mph H 72%30.03 inHg

11:00 AM

Sunny

73° 💧 None 💨 4 mph H 60%30.03 inHg

12:00 PM

Sunny

75° 💧 None 💨 5 mph H 51%30.03 inHg

1:00 PM

Sunny

76° 💧 None 💨 5 mph H 47%30.00 inHg

2:00 PM

Sunny

77° 💧 None 💨 6 mph H 46%30.00 inHg

3:00 PM

Sunny

77° 💧 None 💨 7 mph H 46%29.97 inHg

4:00 PM

Sunny

77° 💧 None 💨 9 mph H 47%29.97 inHg

5:00 PM

Sunny

76° 💧 None 💨 9 mph H 50%29.94 inHg

6:00 PM

Sunny

75° 💧 None 💨 7 mph H 57%29.94 inHg

7:00 PM

Sunny

72° 💧 None 💨 5 mph H 65%29.91 inHg

8:00 PM

Clear night

69° 💧 None 💨 6 mph H 71%29.91 inHg

9:00 PM

Clear night

68° 💧 None 💨 7 mph H 72%29.91 inHg

10:00 PM

Clear night

67° 💧 None 💨 8 mph H 73%29.94 inHg

11:00 PM

Clear night

66° 💧 None 💨 10 mph H 74%29.94 inHg

Friday

12:00 AM

Clear night

65° 💧 None 💨 10 mph H 77%29.94 inHg

1:00 AM

Clear night

65° 💧 None 💨 11 mph H 77%29.91 inHg

2:00 AM

Clear night

64° 💧 None 💨 11 mph H 76%29.91 inHg

3:00 AM

Clear night

64° 💧 None 💨 11 mph H 76%29.91 inHg

4:00 AM

Mostly clear night

63° 💧 None 💨 11 mph H 78%29.88 inHg

5:00 AM

Clear night

62° 💧 None 💨 11 mph H 81%29.88 inHg

6:00 AM

Mostly cloudy night

62° 💧 None 💨 12 mph H 81%29.88 inHg

7:00 AM

Sunny

61° 💧 None 💨 12 mph H 82%29.88 inHg

8:00 AM

Mostly cloudy

63° 💧 None 💨 13 mph H 83%29.88 inHg

9:00 AM

Partly cloudy

65° 💧 None 💨 13 mph H 80%29.85 inHg

10:00 AM

Mostly cloudy

68° 💧 None 💨 15 mph H 77%29.85 inHg

11:00 AM

Mostly sunny

72° 💧 None 💨 16 mph H 74%29.83 inHg

12:00 PM

Partly cloudy

74° 💧 None 💨 17 mph H 70%29.80 inHg

1:00 PM

Mostly cloudy

77° 💧 None 💨 17 mph H 66%29.77 inHg

2:00 PM

Mostly cloudy

78° 💧 None 💨 17 mph H 60%29.74 inHg

3:00 PM

Mostly cloudy

79° 💧 None 💨 18 mph H 57%29.71 inHg

4:00 PM

Overcast

80° 💧 None 💨 17 mph H 57%29.71 inHg

5:00 PM

Overcast

79° 💧 None 💨 17 mph H 60%29.68 inHg

6:00 PM

Overcast

78° 💧 None 💨 17 mph H 65%29.68 inHg

7:00 PM

Mostly cloudy

76° 💧 None 💨 17 mph H 67%29.65 inHg

8:00 PM

Overcast night

75° 💧 None 💨 17 mph H 69%29.65 inHg

9:00 PM

Mostly clear night

75° 💧 None 💨 20 mph H 68%29.65 inHg

10:00 PM

Mostly clear night

74° 💧 0.001 in 💨 18 mph H 72%29.65 inHg

11:00 PM

Clear night

73° 💧 None 💨 16 mph H 76%29.68 inHg

Saturday

12:00 AM

Clear night

73° 💧 None 💨 15 mph H 79%29.68 inHg

1:00 AM

Clear night

72° 💧 None 💨 14 mph H 82%29.68 inHg

2:00 AM

Clear night

72° 💧 None 💨 13 mph H 85%29.71 inHg

3:00 AM

Mostly clear night

71° 💧 None 💨 11 mph H 86%29.74 inHg

4:00 AM

Overcast night

67° 💧 None 💨 11 mph H 93%29.77 inHg

5:00 AM

Overcast night

66° 💧 None 💨 13 mph H 88%29.80 inHg

6:00 AM

Mostly clear night

66° 💧 None 💨 14 mph H 78%29.83 inHg

7:00 AM

Sunny

63° 💧 None 💨 14 mph H 70%29.88 inHg

4:00 PM

Sunny

72° 💧 None 💨 8 mph H 48%30.00 inHg

7:00 PM

Partly cloudy

69° 💧 None 💨 2 mph H 61%30.03 inHg

10:00 PM

Mostly clear night

63° 💧 None 💨 1 mph H 69%30.06 inHg

Sunday

1:00 AM

Partly cloudy night

59° 💧 None 💨 2 mph H 80%30.09 inHg

4:00 AM

Mostly clear night

56° 💧 None 💨 2 mph H 86%30.09 inHg

7:00 AM

Partly cloudy

55° 💧 None 💨 4 mph H 86%30.09 inHg

10:00 AM

Mostly cloudy

63° 💧 None 💨 8 mph H 73%30.12 inHg

1:00 PM

Moderate rain

65° 💧 None 💨 9 mph H 71%30.12 inHg

4:00 PM

Heavy rain

61° 💧 None 💨 8 mph H 86%30.09 inHg

7:00 PM

Light rain

60° 💧 None 💨 9 mph H 90%30.06 inHg

10:00 PM

Overcast night

60° 💧 None 💨 12 mph H 91%30.06 inHg

Monday

1:00 AM

Light thunderstorms

58° 💧 None 💨 13 mph H 91%30.03 inHg

4:00 AM

Moderate rain

58° 💧 None 💨 14 mph H 92%29.97 inHg

7:00 AM

Light thunderstorms

59° 💧 None 💨 15 mph H 91%29.88 inHg

10:00 AM

Very heavy rain

65° 💧 None 💨 15 mph H 92%29.83 inHg

1:00 PM

Light rain

75° 💧 None 💨 11 mph H 83%29.74 inHg

4:00 PM

Light rain

82° 💧 None 💨 14 mph H 77%29.68 inHg

7:00 PM

Light rain

74° 💧 None 💨 12 mph H 90%29.71 inHg

10:00 PM

Partly cloudy night

68° 💧 None 💨 9 mph H 83%29.85 inHg

Tuesday

1:00 AM

Mostly clear night

62° 💧 None 💨 8 mph H 65%29.94 inHg

4:00 AM

Mostly clear night

57° 💧 None 💨 8 mph H 72%30.03 inHg

7:00 AM

Mostly sunny

55° 💧 None 💨 9 mph H 69%30.12 inHg

10:00 AM

Mostly cloudy

58° 💧 None 💨 14 mph H 68%30.18 inHg

1:00 PM

Partly cloudy

62° 💧 None 💨 11 mph H 62%30.24 inHg

7:00 PM

Overcast

62° 💧 None 💨 10 mph H 68%30.24 inHg

Wednesday

1:00 AM

Clear night

61° 💧 None 💨 7 mph H 62%30.24 inHg

7:00 AM

Mostly clear night

53° 💧 None 💨 3 mph H 86%30.30 inHg

1:00 PM

Sunny

49° 💧 None 💨 4 mph H 88%30.30 inHg

7:00 PM

Sunny

66° 💧 None 💨 6 mph H 56%30.27 inHg

Thursday

1:00 AM

Clear night

65° 💧 None 💨 5 mph H 68%30.09 inHg

7:00 AM

Light rain

60° 💧 None 💨 6 mph H 90%30.12 inHg

1:00 PM

Overcast

60° 💧 None 💨 3 mph H 96%30.09 inHg

7:00 PM

Overcast

67° 💧 None 💨 11 mph H 74%30.15 inHg

Friday

1:00 AM

Clear night

64° 💧 None 💨 9 mph H 72%30.18 inHg

7:00 AM

Clear night

54° 💧 None 💨 4 mph H 93%30.24 inHg

1:00 PM

Sunny

49° 💧 None 💨 2 mph H 96%30.24 inHg

7:00 PM

Sunny

68° 💧 None 💨 6 mph H 56%30.18 inHg

Saturday

1:00 AM

Clear night

65° 💧 None 💨 3 mph H 73%30.09 inHg

7:00 AM

Clear night

57° 💧 None 💨 4 mph H 90%30.09 inHg

1:00 PM

Mostly sunny

55° 💧 None 💨 3 mph H 94%30.09 inHg

7:00 PM

Sunny

70° 💧 None 💨 9 mph H 62%30.15 inHg

Sunday

1:00 AM

Clear night

64° 💧 None 💨 6 mph H 65%30.12 inHg

7:00 AM

Clear night

53° 💧 None 💨 4 mph H 90%30.18 inHg

1:00 PM

Mostly sunny

50° 💧 None 💨 5 mph H 92%30.18 inHg

7:00 PM

Overcast

67° 💧 None 💨 10 mph H 59%30.15 inHg

Monday

1:00 AM

Overcast night

64° 💧 None 💨 10 mph H 62%30.09 inHg

7:00 AM

Moderate rain

56° 💧 None 💨 13 mph H 88%30.15 inHg

1:00 PM

Light rain

52° 💧 None 💨 15 mph H 91%30.18 inHg

7:00 PM

Light rain

52° 💧 None 💨 15 mph H 94%30.21 inHg

Tuesday

1:00 AM

Light rain

52° 💧 None 💨 18 mph H 91%30.18 inHg

7:00 AM

Moderate rain

50° 💧 None 💨 16 mph H 92%30.24 inHg

1:00 PM

Moderate rain

50° 💧 None 💨 14 mph H 92%30.27 inHg

7:00 PM

Light rain

52° 💧 None 💨 14 mph H 88%30.30 inHg

Wednesday

1:00 AM

Light rain

52° 💧 None 💨 12 mph H 91%30.27 inHg

7:00 AM

Light rain

51° 💧 None 💨 9 mph H 92%30.30 inHg

1:00 PM

Overcast

51° 💧 None 💨 8 mph H 94%30.27 inHg

7:00 PM

Overcast

56° 💧 None 💨 6 mph H 84%30.30 inHg

Thursday

1:00 AM

Light rain

56° 💧 None 💨 3 mph H 93%30.24 inHg

7:00 AM

Overcast night

52° 💧 None 💨 2 mph H 98%30.24 inHg

1:00 PM

Overcast

53° 💧 None 💨 5 mph H 96%30.18 inHg

In Arnolds Park and, more broadly, across the state of Iowa: Clear skies will continue into the evening, with temperatures remaining mild to warm, ranging from 79 to 84 degrees Fahrenheit. Winds will be light, coming from the northwest at around 5 mph, with occasional gusts up to 6 mph. No precipitation is expected during the next few hours, providing a calm and pleasant night. Residents can expect comfortable conditions with clear visibility and minimal wind activity. Temperatures are likely to gradually cool later in the night, but conditions will remain dry and stable. Overall, it will be a quiet and clear evening with no weather-related concerns.

15-Day Weather Outlook for Arnolds Park

Friday, Sep 11Fri Sep 11

Mostly sunny 80°/61° 💧 None 💨 18 mph

Saturday, Sep 12Sat Sep 12

Mostly cloudy 76°/63° 💧 0.063 in 💨 20 mph

Sunday, Sep 13Sun Sep 13

Heavy rain 69°/55° 💧 0.735 in 💨 9 mph

Monday, Sep 14Mon Sep 14

Light thunderstorms 82°/58° 💧 1.648 in 💨 15 mph

Tuesday, Sep 15Tue Sep 15

Light rain 74°/55° 💧 0.028 in 💨 14 mph

Wednesday, Sep 16Wed Sep 16

Overcast 62°/49° 💧 0.000 in 💨 10 mph

Thursday, Sep 17Thu Sep 17

Light rain 66°/60° 💧 0.316 in 💨 6 mph

Friday, Sep 18Fri Sep 18

Overcast 67°/49° 💧 0.010 in 💨 11 mph

Saturday, Sep 19Sat Sep 19

Mostly sunny 68°/55° 💧 None 💨 6 mph

Sunday, Sep 20Sun Sep 20

Mostly sunny 70°/50° 💧 None 💨 9 mph

Monday, Sep 21Mon Sep 21

Moderate rain 67°/52° 💧 0.667 in 💨 15 mph

Tuesday, Sep 22Tue Sep 22

Moderate rain 52°/50° 💧 1.197 in 💨 18 mph

Wednesday, Sep 23Wed Sep 23

Light rain 52°/51° 💧 0.254 in 💨 14 mph

Thursday, Sep 24Thu Sep 24

Light rain 56°/52° 💧 0.067 in 💨 6 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Arnolds Park

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Arnolds Park

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 9:00 PM

PM2.5 Fine particles Good 2,1µg/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 2,6µg/m³

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

O₃ Ozone Good 48,9µg/m³

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

NO₂ Nitrogen dioxide Good 3,7µg/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 Arnolds Park

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 6,4High 🙂Fair

Friday UV 6,3High 🙂Fair

Saturday UV 6,1High 🙂Fair

Sunday UV 5,0Moderate 🙂Fair

Monday UV 6,0High —Unavailable

Tuesday UV 5,0Moderate —Unavailable

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 Arnolds Park

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · ARNOLDS PARK, IOWA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 3:00 AM–4:00 AM.

100/100Best-hour score

BEST TIME TONIGHT 3:00 AM–4:00 AM Astronomical darkness: 9:20 PM–5:16 AM

☁ Cloud cover 0% Real hourly forecast for the best viewing hour.

☾ Moonlight 3% New Moon · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 65° high at the best hour.

✦ Estimated visible meteors 2–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min78%

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

Explore current conditions and forecasts for other locations.

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Forecast data for Arnolds Park were last refreshed today at 8:02 PM. The current forecast period extends through 11/09/2026 at 6:00 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.