Mariehamn weather — 10-day forecast

Temperature, rain, wind and feels-like in Mariehamn, hour by hour and over 10 days, with the seasonal normal for context.

Now

Reading from 01:00 · DWD ICON-EU model

15 °C

Partly cloudy

5.7 km/hforce 1

Next 12 h

  • 0115°
  • 0215°
  • 0315°
  • 0415°49 %
  • 0515°
  • 05:37Sunrise
  • 0614°
  • 0714°12 %
  • 0816°
  • 0917°
  • 1018°
  • 1119°
  • 1219°
  • 1319°

14°06:00 19°12:00

Humidity
79 %
Dew point
11 °C
Gusts
11.2 km/h
Clouds
75 %
Pressure
1,012 hPa

Grid point 3.1 km away · 6.5 km grid · elevation 18 m

Air quality

The European air-quality index for the city, and the pollutants that set it.

Reading from 03:00
22
Fair

Index set by Ozone

Ozone
55.8µg/m³
PM2.5
4.6µg/m³
PM10
7.0µg/m³
Nitrogen dioxide
3.7µg/m³
Sulphur dioxide
1.0µg/m³
Carbon monoxide
100.0µg/m³
Dust (AOD)
0.00

Generated using Copernicus Atmosphere Monitoring Service information

Hour by hour

Step-by-step detail: temperature, wind, cloud cover and ultraviolet.

Estimated from a deterministic model, not an ensemble probability.
°C

9 days

Each day's extremes and the chance of rain, out to the end of the run.

12° → 21°

Rain probability (> 1 mm): 50 ECMWF ensemble members.

  • Today

    Light drizzle0 mm

    20°

    14°

  • Sun

    Light drizzle64 %

    20°

    16°

  • Mon

    Light rain74 %

    21°

    16°

  • Tue

    Light drizzle74 %

    18°

    13°

  • Wed

    Mainly clear16 %

    18°

    12°

  • Thu

    Partly cloudy

    19°

    18°

  • Fri

    Partly cloudy0 mm

    20°

    18°

  • Sat

    Partly cloudy0 mm

    19°

    17°

  • Sun

    Mainly clear

    18°

    16°

Gusts · Sun 57.0 km/h · Mon 54.0 km/h · Tue 54.1 km/h

Sun and UV

Sunrise, sunset, day length and ultraviolet intensity.

Max UV5moderate
Sunrise
05:37
Daylight
16 h 17
Sunset
21:54

Radiation · 20.2 MJ/m²

Sea state

Sea state at the marine grid point closest to the city.

0.5 mperiod 6 s 204°

Significant height: the mean of the highest third of waves. Individual waves reach about twice it.

Data: ECMWF

Today in Mariehamn the mean temperature will be 17.2 °C — +0.4 °C against the normal for 8 August, measured from 1940 to 2026. (1,290 obs.)

Mariehamn climate — normals and trends