5-day weather forecast Hamburg Sep 18, 2026

16°11–19° · Patchy rain possible

Weather forecast Hamburg today Sep 18, 2026: patchy rain possible, temperature from 11 °C to 19 °C.

Precipitation probability 46%. Wind up to 6.11 m/s (gusts 12.69 m/s). Air humidity 48–93%, atmospheric pressure 756–761 mm Hg, UV index up to 3.1.

Sunrise 06:59
Sunset 19:29
First Quarter53% illuminated
Moonrise 16:24 · Moonset 22:25
Chart
Table
Fri, Sep 18, 2026

Forecast from 11 °C to 19 °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)141413121211111111131516171718191716161415131313
Precipitation (mm/hr)0.180.030.130.0200.010000000.130.050.070.020.020.030.020.050.03000

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 (%)10095891001007277991008651889788095979385100100100100100
Rain chance (%)4634403332252631302387231717121516142321212019

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)5.114.813.613.893.813.813.8944.114.5566.115.55.8965.553.812.693.1133.613.61
Wind gust (m/s)11.229.699.6110.6111.1112.0312.6112.6912.511.6110.59.929.228.948.838.728.929.117.927.037.817.229.3310.31
Wind direction (°)SW 234°WSW 240°WSW 247°WSW 241°SW 235°SW 232°SW 230°SW 228°SW 233°WSW 238°WSW 243°WSW 249°WSW 253°WSW 254°WSW 256°WSW 254°WSW 247°WSW 249°WSW 254°SW 231°WSW 237°SW 232°SW 234°SW 232°

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 (%)939292939393929289847768646354485861637270747370

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)756756756756756757757757758758758758758758758758759759760760760761761761

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 Index000000000.10.51.222.72.83.12.51.50.60.200000

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)6.35.65.36.27.48.49.911.412.711.987.47.36.76.75.35.155.26.27.17.37.37.3
PM10 (µg/m³)7.88.48.510.210.712.413.514.615.914.913.812.711.911.412.411.810.411.912.714.414.814.813.513.6
Ozone (O₃) (µg/m³)565452514947404039445259576066686870696461595760
NO₂ (µg/m³)11.510.610.911.512.813.715.217.519.416.910.78.36.65.25.15.35.87.17.611.81417.815.113.6
SO₂ (µg/m³)2.62.62.73.13.33.74.14.54.64.23.12.62.11.91.81.81.92.32.63.43.943.73.4
CO (µg/m³)200198200203203219232242255248235227219217213212214219219216222220222231
Fri, Sep 18, 2026

Frequently asked questions about the 5-day weather in Hamburg

What will the weather be like in Hamburg over the next 5 days?

Over the next 5 days in Hamburg the temperature is expected to range from about 9 to 20 °C. See the detailed hourly forecast for each of the 5 days in the charts above.

On which of the next 5 days will it rain in Hamburg?

The chance of rain in Hamburg over the next 5 days reaches 46%. Check the 5-day precipitation chart above to see exactly which days and hours bring rain.

How accurate is the 5-day weather forecast for Hamburg?

A 5-day forecast is fairly reliable: the first 2–3 days are usually very accurate, while days 4–5 may be refined. The data is updated several times a day, so check back before important plans.

Which of the next 5 days in Hamburg will be the warmest and which the coolest?

Over the next 5 days the temperature in Hamburg ranges from about 9 to 20 °C. Compare the warmest and coolest day on the temperature chart above.

Will it be windy in Hamburg over the next 5 days?

Over the next 5 days the wind in Hamburg picks up to 7 m/s. The windiest days are easy to spot on the wind chart above.

Which day of the week in Hamburg is best for a walk or a trip?

For a walk or a trip, pick the days with the lowest chance of rain (up to 46%) and light wind — easy to compare on the 5-day charts above.

How can I best use the 5-day forecast for Hamburg?

The first 2–3 days are reliable enough for firm decisions, while days 4–5 are a guide that sharpens as they approach. The forecast is updated several times a day, so check again before important plans.

Will I need an umbrella or sunscreen in Hamburg this week?

Rain reaches a 46% chance across the next 5 days, so pack something waterproof for the wettest of them — the daily strip above shows which. Today’s UV index peaks at 3.1; sunscreen is worth it from about 3 upwards.

Hamburg 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.