Current Weather

28°83°

Mostly Cloudy

Feels Like: 27°80°

Min: 20°69°

Max: 29°83°

The next few hours will be humid and overcast, with today reaching 29°C and dropping to 22°C. The coming days will be drizzle

Hourly Forecast
28°83°28°83°26°79°24°76°22°72°22°72°22°72°22°72°22°72°22°71°22°71°22°71°22°71°22°72°22°72°22°72°22°72°23°74°24°75°25°77°26°78°26°79°27°80°25°78°
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94%
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Air Quality
89
Moderate

Air quality is acceptable. However, there may be a risk for some people.

GoodHazardous
Daylight Hours

06:30

Sunrise

18:20

Sunset

11 hours 50 minutes of sunlight today
Moon

07:44

Moonrise

19:43

Moonset

Daily Forecast

Today

20°69°
29°83°

Tuesday

22°71°
27°80°

Wednesday

21°71°
28°82°

Thursday

21°69°
28°83°

Friday

21°69°
29°84°

Saturday

21°70°
29°84°

Sunday

21°70°
28°83°

Monday

21°70°
29°84°

Tuesday

22°71°
31°87°

Wednesday

22°71°
29°85°
UV Index
Wear sunscreen
5Moderate
LowExtreme
Humidity
68%Comfortable
LowHigh
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Weather in Osan today, October 12, 2026

Osan starts October 12, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans.Osan starts October 12, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans.

Temperatures climb from an overnight low near 20°C toward a daytime high of about 29°C. The air stays humid, with relative humidity between 68% and 99% and the peak around 23:00. A lighter breeze peaks around 19:00 near 12 km/h.Temperatures climb from an overnight low near 69°F toward a daytime high of about 83°F. The air stays humid, with relative humidity between 68% and 99% and the peak around 23:00. A lighter breeze peaks around 19:00 near 7 mph.

The second half of the day still looks unsettled, with rain probability around 78% by 17:00. Dense cloud near 86% at 23:00 keeps the feel grey. Horizontal visibility sits around 15 km, briefly nearer 8.7 km. Expect sunrise at 06:30, sunset at 18:20, and 11 hours 50 minutes of sunlight today overall.The second half of the day still looks unsettled, with rain probability around 78% by 17:00. Dense cloud near 86% at 23:00 keeps the feel grey. Horizontal visibility sits around 9.3 mi, briefly nearer 5.4 mi. Expect sunrise at 06:30, sunset at 18:20, and 11 hours 50 minutes of sunlight today overall.

In short, treat October 12, 2026 in Osan as a damp day: pack covers, watch the wetter hours, and expect a high near 29°C.In short, treat October 12, 2026 in Osan as a damp day: pack covers, watch the wetter hours, and expect a high near 83°F.

Frequently asked questions about weather in Osan

How warm does it get in Osan?

The warmest month in Osan is February, with average high temperatures of 36°C. The average temperature during this period is around 28°C.The warmest month in Osan is February, with average high temperatures of 96°F. The average temperature during this period is around 82°F.

How cold does it get in Osan?

The coldest month in Osan is January, with average low temperatures of 20°C. The average temperature during this period is around 27°C.The coldest month in Osan is January, with average low temperatures of 68°F. The average temperature during this period is around 80°F.

What is the wettest time of year in Osan?

The wettest month in Osan is September, with an average of 273 mm of precipitation.The wettest month in Osan is September, with an average of 10.7 in of precipitation.

What is the driest time of year in Osan?

The driest month in Osan is December, with an average of 1 mm of precipitation.The driest month in Osan is December, with an average of 0.1 in of precipitation.

View full climate insights for Osan →