What is the weather in Harlan right now?

Current weather in Harlan is broken clouds.

Where can I find the hourly weather forecast for Harlan?

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

Is the weather forecast for Harlan updated regularly?

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

Now · 12:02 AM

Harlan Weather & Hourly Forecast

United States · Iowa · 51537

77°F

Mostly cloudy night

Feels like: 78°F

💧 Humidity 81% 🌡 Pressure 29.88 inHg 💨 Wind 6 mph 👁 Visibility 6.2 mi ☁ Clouds 84% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:51 AM 🌇 Sunset 7:48 PM

Hourly Forecast for Harlan

Today

1:00 AM

Mostly cloudy night

77° 💧 None 💨 6 mph H 81%29.88 inHg

4:00 AM

Overcast night

75° 💧 None 💨 5 mph H 78%29.85 inHg

7:00 AM

Overcast

72° 💧 None 💨 2 mph H 77%29.88 inHg

10:00 AM

Partly cloudy

81° 💧 None 💨 3 mph H 50%29.91 inHg

1:00 PM

Partly cloudy

96° 💧 None 💨 10 mph H 31%29.85 inHg

4:00 PM

Sunny

96° 💧 None 💨 7 mph H 25%29.83 inHg

7:00 PM

Sunny

87° 💧 None 💨 8 mph H 30%29.80 inHg

10:00 PM

Clear night

79° 💧 None 💨 8 mph H 51%29.85 inHg

Tomorrow

1:00 AM

Clear night

75° 💧 None 💨 6 mph H 72%29.91 inHg

4:00 AM

Partly cloudy night

75° 💧 None 💨 12 mph H 92%29.91 inHg

7:00 AM

Mostly cloudy

73° 💧 None 💨 7 mph H 97%29.94 inHg

10:00 AM

Overcast

76° 💧 None 💨 14 mph H 72%29.97 inHg

1:00 PM

Overcast

87° 💧 None 💨 12 mph H 43%29.94 inHg

4:00 PM

Light rain

91° 💧 0.01 in 💨 18 mph H 44%29.91 inHg

7:00 PM

Partly cloudy

87° 💧 None 💨 8 mph H 42%29.85 inHg

10:00 PM

Partly cloudy night

75° 💧 None 💨 9 mph H 61%29.94 inHg

Today

1:00 AM

Mostly cloudy night

77° 💧 None 💨 6 mph H 81%29.88 inHg

2:00 AM

Overcast night

76° 💧 None 💨 4 mph H 80%29.88 inHg

3:00 AM

Overcast night

76° 💧 None 💨 2 mph H 79%29.85 inHg

4:00 AM

Overcast night

75° 💧 None 💨 5 mph H 78%29.85 inHg

5:00 AM

Overcast night

73° 💧 None 💨 6 mph H 77%29.85 inHg

6:00 AM

Overcast night

72° 💧 None 💨 3 mph H 77%29.88 inHg

7:00 AM

Overcast

72° 💧 None 💨 2 mph H 77%29.88 inHg

8:00 AM

Overcast

75° 💧 None 💨 1 mph H 75%29.91 inHg

9:00 AM

Mostly cloudy

77° 💧 None 💨 1 mph H 65%29.91 inHg

10:00 AM

Partly cloudy

81° 💧 None 💨 3 mph H 50%29.91 inHg

11:00 AM

Partly cloudy

86° 💧 None 💨 6 mph H 40%29.88 inHg

12:00 PM

Partly cloudy

89° 💧 None 💨 8 mph H 34%29.88 inHg

1:00 PM

Partly cloudy

96° 💧 None 💨 10 mph H 31%29.85 inHg

2:00 PM

Sunny

98° 💧 None 💨 10 mph H 29%29.85 inHg

3:00 PM

Sunny

97° 💧 None 💨 8 mph H 27%29.85 inHg

4:00 PM

Sunny

96° 💧 None 💨 7 mph H 25%29.83 inHg

5:00 PM

Sunny

96° 💧 None 💨 7 mph H 25%29.80 inHg

6:00 PM

Sunny

93° 💧 None 💨 7 mph H 25%29.80 inHg

7:00 PM

Sunny

87° 💧 None 💨 8 mph H 30%29.80 inHg

8:00 PM

Clear night

83° 💧 None 💨 14 mph H 46%29.83 inHg

9:00 PM

Clear night

82° 💧 None 💨 11 mph H 50%29.85 inHg

10:00 PM

Clear night

79° 💧 None 💨 8 mph H 51%29.85 inHg

11:00 PM

Clear night

77° 💧 None 💨 11 mph H 58%29.88 inHg

Tomorrow

12:00 AM

Clear night

77° 💧 None 💨 8 mph H 64%29.91 inHg

1:00 AM

Clear night

75° 💧 None 💨 6 mph H 72%29.91 inHg

2:00 AM

Clear night

75° 💧 None 💨 8 mph H 80%29.94 inHg

3:00 AM

Clear night

75° 💧 None 💨 10 mph H 87%29.91 inHg

4:00 AM

Partly cloudy night

75° 💧 None 💨 12 mph H 92%29.91 inHg

5:00 AM

Partly cloudy night

74° 💧 None 💨 11 mph H 93%29.91 inHg

6:00 AM

Mostly cloudy night

73° 💧 None 💨 8 mph H 96%29.94 inHg

7:00 AM

Mostly cloudy

73° 💧 None 💨 7 mph H 97%29.94 inHg

8:00 AM

Overcast

74° 💧 None 💨 11 mph H 91%30.00 inHg

9:00 AM

Overcast

75° 💧 None 💨 13 mph H 82%30.00 inHg

10:00 AM

Overcast

76° 💧 None 💨 14 mph H 72%29.97 inHg

11:00 AM

Overcast

79° 💧 None 💨 14 mph H 61%29.97 inHg

12:00 PM

Overcast

82° 💧 None 💨 12 mph H 52%29.94 inHg

1:00 PM

Overcast

87° 💧 None 💨 12 mph H 43%29.94 inHg

2:00 PM

Overcast

94° 💧 None 💨 12 mph H 40%29.94 inHg

3:00 PM

Overcast

96° 💧 None 💨 16 mph H 35%29.91 inHg

4:00 PM

Light rain

91° 💧 0.01 in 💨 18 mph H 44%29.91 inHg

5:00 PM

Mostly cloudy

91° 💧 None 💨 13 mph H 37%29.88 inHg

6:00 PM

Mostly cloudy

90° 💧 None 💨 12 mph H 36%29.85 inHg

7:00 PM

Partly cloudy

87° 💧 None 💨 8 mph H 42%29.85 inHg

8:00 PM

Clear night

80° 💧 None 💨 6 mph H 54%29.88 inHg

9:00 PM

Clear night

77° 💧 None 💨 8 mph H 57%29.91 inHg

10:00 PM

Partly cloudy night

75° 💧 None 💨 9 mph H 61%29.94 inHg

11:00 PM

Partly cloudy night

72° 💧 None 💨 8 mph H 75%29.94 inHg

Monday

12:00 AM

Mostly cloudy night

72° 💧 None 💨 8 mph H 80%29.94 inHg

1:00 AM

Mostly cloudy night

72° 💧 None 💨 8 mph H 79%29.94 inHg

2:00 AM

Overcast night

72° 💧 None 💨 8 mph H 77%29.94 inHg

3:00 AM

Mostly cloudy night

71° 💧 None 💨 8 mph H 82%29.94 inHg

4:00 AM

Overcast night

69° 💧 None 💨 8 mph H 90%29.94 inHg

5:00 AM

Overcast night

68° 💧 None 💨 9 mph H 94%29.94 inHg

6:00 AM

Overcast night

68° 💧 None 💨 9 mph H 96%29.94 inHg

7:00 AM

Overcast

68° 💧 None 💨 8 mph H 97%29.94 inHg

8:00 AM

Sunny

71° 💧 None 💨 11 mph H 87%29.97 inHg

9:00 AM

Mostly sunny

77° 💧 None 💨 14 mph H 71%29.97 inHg

10:00 AM

Partly cloudy

82° 💧 None 💨 16 mph H 58%29.94 inHg

11:00 AM

Partly cloudy

86° 💧 None 💨 17 mph H 48%29.94 inHg

12:00 PM

Mostly cloudy

90° 💧 None 💨 18 mph H 41%29.91 inHg

1:00 PM

Mostly cloudy

93° 💧 None 💨 18 mph H 37%29.88 inHg

2:00 PM

Overcast

89° 💧 None 💨 15 mph H 40%29.88 inHg

3:00 PM

Overcast

94° 💧 None 💨 18 mph H 34%29.85 inHg

4:00 PM

Overcast

94° 💧 None 💨 18 mph H 34%29.85 inHg

5:00 PM

Overcast

96° 💧 None 💨 18 mph H 31%29.83 inHg

6:00 PM

Mostly cloudy

96° 💧 None 💨 18 mph H 31%29.83 inHg

7:00 PM

Mostly cloudy

93° 💧 None 💨 15 mph H 33%29.83 inHg

8:00 PM

Overcast night

89° 💧 None 💨 13 mph H 37%29.83 inHg

9:00 PM

Overcast night

86° 💧 None 💨 12 mph H 41%29.83 inHg

10:00 PM

Mostly cloudy night

82° 💧 None 💨 9 mph H 47%29.85 inHg

11:00 PM

Mostly cloudy night

82° 💧 None 💨 14 mph H 45%29.85 inHg

Tuesday

12:00 AM

Mostly cloudy night

85° 💧 None 💨 17 mph H 40%29.83 inHg

1:00 AM

Mostly cloudy night

84° 💧 None 💨 18 mph H 41%29.85 inHg

2:00 AM

Overcast night

84° 💧 None 💨 18 mph H 42%29.85 inHg

3:00 AM

Overcast night

83° 💧 None 💨 17 mph H 44%29.85 inHg

4:00 AM

Overcast night

81° 💧 None 💨 17 mph H 45%29.85 inHg

5:00 AM

Overcast night

80° 💧 None 💨 17 mph H 46%29.85 inHg

6:00 AM

Overcast night

79° 💧 None 💨 16 mph H 46%29.85 inHg

7:00 AM

Mostly cloudy

78° 💧 None 💨 15 mph H 47%29.85 inHg

8:00 AM

Partly cloudy

79° 💧 None 💨 16 mph H 46%29.88 inHg

9:00 AM

Mostly sunny

83° 💧 None 💨 18 mph H 42%29.88 inHg

10:00 AM

Mostly sunny

88° 💧 None 💨 18 mph H 37%29.85 inHg

11:00 AM

Mostly sunny

94° 💧 None 💨 17 mph H 32%29.85 inHg

12:00 PM

Mostly sunny

97° 💧 None 💨 16 mph H 29%29.85 inHg

1:00 PM

Mostly sunny

102° 💧 None 💨 16 mph H 24%29.83 inHg

2:00 PM

Sunny

105° 💧 None 💨 17 mph H 22%29.80 inHg

3:00 PM

Sunny

106° 💧 None 💨 18 mph H 20%29.77 inHg

4:00 PM

Sunny

106° 💧 None 💨 20 mph H 20%29.77 inHg

5:00 PM

Mostly sunny

105° 💧 None 💨 19 mph H 20%29.77 inHg

6:00 PM

Partly cloudy

100° 💧 None 💨 10 mph H 25%29.77 inHg

7:00 PM

Partly cloudy

92° 💧 None 💨 19 mph H 34%29.83 inHg

8:00 PM

Clear night

86° 💧 None 💨 13 mph H 38%29.85 inHg

9:00 PM

Clear night

79° 💧 None 💨 9 mph H 51%29.88 inHg

10:00 PM

Partly cloudy night

78° 💧 None 💨 8 mph H 53%29.94 inHg

11:00 PM

Light rain

70° 💧 0.03 in 💨 7 mph H 80%30.00 inHg

Wednesday

12:00 AM

Partly cloudy night

69° 💧 None 💨 7 mph H 81%30.00 inHg

In Harlan and, more broadly, across the state of Iowa: Clear skies this evening with temperatures remaining warm, ranging from 88 to 91 degrees Fahrenheit. Winds will be moderate, coming from the northeast at around 10 mph, with gusts reaching up to 23 mph. The night is expected to stay dry, with no precipitation anticipated in the coming hours. Temperatures will gradually cool but remain quite warm through the evening, making it a warm night overall. Winds may cause some breezy conditions at times, but there are no weather concerns to note. The clear skies and warm temperatures should persist into the early morning hours.

15-Day Weather Outlook for Harlan

TomorrowTomorrow

Light rain 96°/72° 💧 0.01 in 💨 18 mph

Monday, Sep 7Mon Sep 7

Mostly cloudy 96°/68° 💧 None 💨 18 mph

Tuesday, Sep 8Tue Sep 8

Mostly sunny 106°/78° 💧 None 💨 20 mph

Wednesday, Sep 9Wed Sep 9

Light rain 92°/60° 💧 0.10 in 💨 8 mph

Thursday, Sep 10Thu Sep 10

Light rain 87°/63° 💧 0.13 in 💨 16 mph

Friday, Sep 11Fri Sep 11

Moderate rain 100°/64° 💧 0.37 in 💨 17 mph

Saturday, Sep 12Sat Sep 12

Mostly sunny 105°/79° 💧 None 💨 22 mph

Sunday, Sep 13Sun Sep 13

Partly cloudy 100°/82° 💧 None 💨 25 mph

Monday, Sep 14Mon Sep 14

Light rain 100°/79° 💧 0.02 in 💨 23 mph

Tuesday, Sep 15Tue Sep 15

Light rain 100°/73° 💧 0.11 in 💨 22 mph

Wednesday, Sep 16Wed Sep 16

Moderate rain 86°/58° 💧 0.82 in 💨 18 mph

Thursday, Sep 17Thu Sep 17

Mostly cloudy 76°/48° 💧 None 💨 12 mph

Friday, Sep 18Fri Sep 18

Mostly sunny 65°/46° 💧 None 💨 12 mph

Saturday, Sep 19Sat Sep 19

Partly cloudy 67°/48° 💧 None 💨 10 mph

Sunday, Sep 20Sun Sep 20

Mostly sunny 75°/49° 💧 None 💨 17 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Harlan

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Harlan

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 1:00 AM

PM2.5 Fine particles Good 2,6µg/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 2,9µg/m³

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

O₃ Ozone Good 54,2µg/m³

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

NO₂ Nitrogen dioxide Good 2,8µg/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 Harlan

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 8,0Very high 😊Good

Tomorrow UV 7,4High 🙂Fair

Monday UV 7,2High 🙂Fair

Tuesday UV 7,6High 🙂Fair

Wednesday UV 7,0High —Unavailable

Thursday UV 6,0High —Unavailable

Friday UV 9,0Very high —Unavailable

Hourly UV index today

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

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

Very high UV risk

Use SPF 50+ sunscreen, a hat and sunglasses. Seek shade and limit exposure around midday.

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.

Best in the morning or late in the day

For walking, running or cycling, prefer the early morning or late afternoon.

WIND OUTLOOK

Hourly Wind Forecast for Harlan

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · HARLAN, IOWA

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

38/100Best-hour score

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

☁ Cloud cover 84% Real hourly forecast for the best viewing hour.

☾ Moonlight 42% Last Quarter · Moon about 7° above the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 39° 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.

AUG 28–SEP 5

AurigidsStart AUG 28 · Peak SEP 1 · End SEP 5 · ZHR 6 · 80% Moon at peak

ACTIVE NOW

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

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 Harlan were last refreshed today at 12:02 AM. The current forecast period extends through 06/09/2026 at 10:00 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.