5-day weather forecast Surabaya Sep 21, 2026

33°25° · Sunny

Weather forecast Surabaya Monday Sep 21, 2026: sunny, temperature from 25 °C to 33 °C.

Precipitation probability 17%. Wind up to 5.61 m/s (gusts 9.89 m/s). Air humidity 43–78%, atmospheric pressure 757–761 mm Hg, UV index up to 10.8.

Sunrise 05:19
Sunset 17:25
Waxing Gibbous82% illuminated
Moonrise 13:24 · Moonset 01:26
Chart
Table

Forecast from 25 °C to 33 °C and precipitation

Temperature & Precipitation
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Temperature (°C)272726262625262729313232333333313129292928282827
Precipitation (mm/hr)000000000000000000000000

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Cloud cover (%)324241465252541194212558871259202199969264
Rain chance (%)1011121213138845211122385617171713

Wind speed and direction

Wind & Wind gust
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Wind (m/s)3.112.51.811.311110.810.811.813.113.893.813.313.394.895.315.615.194.894.814.54.313.5
Wind gust (m/s)4.724.113.422.531.811.311.1911.331.838.116.898.818.316.399.895.816.617.226.926.816.395.924.92
Wind direction (°)ESE 122°SE 125°SE 129°SSE 149°S 171°SSW 193°SW 215°SW 220°SSE 158°ESE 102°E 96°ESE 104°ESE 102°E 83°E 89°ESE 110°ESE 116°ESE 115°ESE 111°ESE 106°ESE 104°ESE 111°ESE 116°SE 127°

Air humidity

Humidity
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Humidity (%)747677777878766859524946444345515460646669717274

Atmospheric pressure

Pressure
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Pressure (mm Hg)760759759759759760761761761761760759758758757757757758758759760760760760

Ultraviolet index

UV Index
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
UV Index0000000.21.13.26.29.310.810.88.96310.2000000

Air quality & pollen

Air quality
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
PM2.5 (µg/m³)22.423.225.330.937.344.552.734.733.134.634.63128.526.424.523.421.22122.221.521.422.826.826.5
PM10 (µg/m³)24.625.227.332.839.346.655.13938.541.642.337.132.93028.327.824.824.225.424.624.325.629.529
Ozone (O₃) (µg/m³)47464134323542578612215016416916615413411391695141363332
NO₂ (µg/m³)16.315.917.720.522.22220.718.815.912.29.37.46.15.96.88.711.415.3202426.828.929.828.7
SO₂ (µg/m³)10.99.78.98.69.612.917.721.925.528.729.927.723.620.41918.518.619.721.422.522.521.920.818.7
CO (µg/m³)199193190191204238283321344360367359343342375423446422374332310295278254

Surabaya on the map

Data Sources & Methodology

Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.