Live Weather & Forecast
Weather in Harlan
Iowa, United States · Real-time conditions & 3-day outlook
19°C
Feels like 19°C
66°F / Feels 66°F
Overcast
Harlan, Iowa
🌞 Daytime
Updated: 2026-04-13 08:30
Humidity
94%
Wind
22.3 km/h SSE
Wind Gust
34 km/h
Pressure
1007 mb
Visibility
16 km
UV Index
0.4
(Low)
Precipitation
0 mm
Cloud Cover
100%
Dew Point
16.3°C
Wind Degree
166°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
150.9 μg/m³
NO₂
1.8 μg/m³
O₃
90 μg/m³
SO₂
1.5 μg/m³
PM 2.5
4.7 μg/m³
PM 10
5.5 μg/m³
Today's Hourly Forecast
24-hour breakdown for Harlan, Iowa
12 AM
16°
Clear
1 AM
16°
Clear
2 AM
15°
Clear
3 AM
15°
Clear
4 AM
15°
Clear
5 AM
15°
Clear
6 AM
16°
Clear
7 AM
16°
Sunny
8 AM
19°
Overcast
9 AM
19°
Cloudy
10 AM
20°
Partly Cloudy
11 AM
22°
Cloudy
12 PM
23°
Sunny
1 PM
24°
Sunny
2 PM
25°
Sunny
3 PM
26°
Sunny
4 PM
26°
Sunny
5 PM
27°
Sunny
6 PM
26°
Sunny
7 PM
25°
Sunny
8 PM
24°
Clear
9 PM
23°
Clear
10 PM
22°
Partly Cloudy
11 PM
21°
Clear
3-Day Forecast
Daily overview for Harlan, Iowa
Today
Sunny
27°
/
15°
🌧️ 0% chance of rain
💧 Avg. humidity: 83%
💨 Max wind: 30.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.5
🌅 Sunrise: 06:44 AM
🌇 Sunset: 08:00 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Overcast
23°
/
14°
🌧️ 0% chance of rain
💧 Avg. humidity: 89%
💨 Max wind: 23.8 km/h
🌧️ Total precip: 0.1 mm
☀️ UV Index: 1.7
🌅 Sunrise: 06:43 AM
🌇 Sunset: 08:01 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Moderate rain
20°
/
11°
🌧️ 85% chance of rain
💧 Avg. humidity: 84%
💨 Max wind: 39.6 km/h
🌧️ Total precip: 19.07 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:41 AM
🌇 Sunset: 08:02 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Best Time to Visit Harlan
Plan your trip to Harlan, United States around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Harlan?
Current conditions in Harlan: Overcast, temperature 19°C, humidity 94%.
What is the best time to visit Harlan?
The best time to visit Harlan is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Harlan?
Harlan is located at approximately 41.7° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Harlan?
The wettest period in Harlan is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Harlan?
For visits to Harlan during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Harlan in?
Harlan is located in United States, in the state of Iowa.
What are the public holidays in Harlan in 2026?
View the 2026 public holidays for Harlan on our Holidays page.
What are the GPS coordinates used for the weather forecast in Harlan?
The weather forecast for Harlan uses coordinates 41.6551, -95.3195.