For Sunday the forecast for Siheung is partly cloudy with some rain during the evening. Temperatures will range from a mild 18°C (64°F) to a warm 25°C (77°F).

10-Day Weather Forecast

During the next 10 days, temperatures will get cooler from 26°C (79°F) down to 19°C (66°F), with average highs of 23°C (73°F) and lows of 15°C (59°F). Compared to typical September conditions, these temperatures are a bit cooler than usual. The following 10 days will bring plenty of sunshine. Rainfall is expected to be much less than usual (compared to typical September conditions). The forecast shows mostly dry conditions. There will be rain on around 1 day (Wed). Expect generally calm wind conditions.

Weather Forecast FAQ for Siheung

When will be the warmest day next week?

The warmest day is expected to be Saturday with a high of 26°C (79°F).

When will be the coldest day?

The coldest day is forecasted for Friday with a low of 9°C (48°F).

Will it rain next week in Siheung?

Yes, rain is expected on 1 day , specifically on Wed.

How much rainfall is expected next week?

A total of 4 mm (0.2 in) of rain is forecasted for the 10-day period.

What will be the temperature range next week?

Temperatures will range from 9°C (48°F) to 26°C (79°F).

More about Siheung

Explore the full Siheung climate overview with monthly averages, or check rainfall data and temperature by month.

Siheung weather by month

Browse monthly averages for Siheung: climate by month with temperature, rainfall and sunshine.

January February March April May June July August September October November December

Travel inspiration

Need travel inspiration? Check out our bucket list articles and be inspired.

Mud festival in South Korea

In July, the peaceful seaside town of Boryeong turned into a chaos of mud for 9 days. We recommend putting this festival on your bucket list.

10 Hidden gems in Asia you need to visit

Explore 10 hidden gems in Asia offering authentic experiences, from pristine beaches and remote islands to cultural treks and peaceful mountain villages.

Chase the autumn leaves in Japan

Japan is one of these cases which turns into a gold, yellow and orange fairy tale starting from September. And we can honestly say: We cannot imagine a more beautiful season to visit Japan.

The 10 Most Exquisite Beaches in the Philippines

Explore the top 10 breathtaking beaches in the Philippines, from serene Nacpan Beach to volcanic Camiguin Island, in our detailed guide.

Must visit in South Korea →