Osan Weather Today

Temperature, Feels Like, Rain Chance & Hourly Forecast in Osan

Osan temperature today is 20°, feels like 19°, with a humidity level of 52% and wind at 12.96 km/h. Rain chance today is 0%. Use the hourly forecast and 5-day outlook below to plan your day.

Tomorrow in Osan: expect a high of 24° and a low of 12°, with clear sky.

overcast clouds
20°
overcast clouds
H: 22° L: 20°
Feels like 19°
AQI: (/5)
Humidity
52%
Dew 10°
Wind speed
12.96 km/h
SE
Pressure
1021 hPa
Visibility
10 km
Windy Conditions
Wind speed is 12.96 km/h.
Weather Summary
Currently in Osan, expect varied conditions with mild temperatures around 20°. Winds are a light breeze.
Precipitation Probability
0%
15
0%
18
0%
21
0%
00
0%
03
0%
06
0%
09
0%
12
0%
15
0%
18
0%
21
100%
00
100%
03
0%
06
20%
09
40%
12
Evolution
Daily Weather Forecast Evolution (°C)
Lowest temperature
Highest temperature
Temperature Forecast (48h)
22°
Sat
15:00
22°
 
16°
 
13°
 
13°
Sun
03:00
12°
 
18°
 
23°
 
24°
Sun
15:00
20°
 
18°
 
15°
 
14°
Mon
03:00
16°
 
18°
 
18°
 
Hot (≥30°)
Warm
Cool
Cold (<0°)
Weather Map
Sun & Moon
Sunrise
Sunrise
06:28
Sunset
Sunset
18:13
Moon Phase
Waning Gibbous (59%)
Timezone: GMT+05:30
Last updated: Oct 3, 2026 9:13 AM · Data refreshes every 5 min
Location Info
Latitude
Latitude
37.152222
Longitude
Longitude
127.070557
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More about Osan
Content curated by the NearWeather editorial team · Updated periodically

Climate and Weather in Osan, South Korea

Osan is a city located in Gyeonggi Province, South Korea. It is known for its rich history, vibrant culture, and diverse climate. The city experiences four distinct seasons, each with its own unique characteristics. In this article, we will explore the climate and weather patterns in Osan throughout the year.

Spring (March to May)

Spring in Osan is a beautiful season characterized by mild temperatures and blooming flowers. The average temperature during this period ranges from 8°C (46°F) to 18°C (64°F). However, it is important to note that the weather can be quite unpredictable during spring, with occasional rain showers and temperature fluctuations. It is advisable to carry an umbrella and dress in layers to adapt to the changing conditions.

The cherry blossoms are a major highlight of spring in Osan. The city is known for its picturesque cherry blossom festivals, attracting visitors from all over the world. The blossoms typically peak in early April, creating a stunning display of pink and white flowers that blanket the city's parks and streets.

Summer (June to August)

Summer in Osan is hot and humid, with temperatures ranging from 20°C (68°F) to 30°C (86°F). The city experiences a monsoon season during this period, characterized by heavy rainfall and occasional thunderstorms. July and August are the wettest months, with precipitation levels reaching their peak.

Despite the high temperatures and humidity, summer in Osan offers various outdoor activities. The city has numerous water parks and swimming pools where residents and visitors can cool off and enjoy the sunny weather. It is important to stay hydrated and apply sunscreen when spending time outdoors during this season.

Fall (September to November)

Fall in Osan is a picturesque season characterized by mild temperatures and beautiful autumn foliage. The average temperature during this period ranges from 10°C (50°F) to 20°C (68°F). The city's parks and mountains transform into a vibrant display of red, orange, and yellow hues, attracting nature enthusiasts and photographers.

September and October are relatively dry months in Osan, with lower precipitation levels compared to the summer season. It is a great time to explore the city's outdoor attractions, go hiking in the nearby mountains, or simply enjoy a leisurely stroll in one of the many parks.

Winter (December to February)

Winter in Osan is cold and dry, with temperatures ranging from -4°C (25°F) to 6°C (43°F). The city experiences occasional snowfall during this period, creating a picturesque winter wonderland. The coldest month is typically January, with temperatures dropping below freezing.

Winter sports enthusiasts can take advantage of the nearby ski resorts, which offer a range of activities such as skiing, snowboarding, and sledding. It is important to dress warmly and layer clothing to stay comfortable in the cold temperatures.

Conclusion

Osan, South Korea, experiences a diverse climate throughout the year, with each season offering its own unique charm. From the beautiful cherry blossoms in spring to the vibrant autumn foliage in fall, the city showcases the beauty of nature in all seasons. Whether you visit Osan during the hot and humid summers or the cold and snowy winters, there are always activities and attractions to enjoy.

Weather data sourced from OpenWeatherMap. Forecasts are estimates and may differ from actual conditions. For severe weather, consult your local meteorological authority.
FAQ's about Osan
What is the temperature in Osan right now?

The current temperature in Osan is 20°, and it feels like 19°. Today's high is 22° and the low is 20°.

Will it rain in Osan today?

No rain is expected in Osan today (0% chance). Conditions are currently overcast clouds.

What is the weather in Osan today?

Osan is experiencing overcast clouds with a temperature of 20°. Humidity is at 52% and wind speed is 12.96 km/h from the SE.

What is the humidity in Osan today?

Humidity in Osan is 52% right now, with a dew point of 10°. Comfort levels are moderate.

What is the wind speed in Osan today?

Wind speed in Osan is 12.96 km/h, flowing at 130° SE wind direction.

What is the 5-day forecast for Osan?

NearWeather provides a detailed 5-day forecast and 48-hour hourly forecast for Osan. Today's high is 22° and low is 20°, with a 0% chance of rain. Scroll up to view the full day-by-day and hourly breakdown.

What does it feel like in Osan today?

It feels like 19° in Osan today, with 100% cloud cover and 10 km visibility.

Weather in Osan