Finnish Meteorological Institute for Home Assistant (Marketplace integration)

On Home Assistant 2026.10 or older? Open it in HACS

Installs: 293 sharing analytics
GitHub stars: 7
Connection: Uses the vendor's cloud
Upkeep: Updated in the last 6 months
Version: 1.3.2, November 5, 2026
Category: Weather and alerts
Kind: Marketplace integration
Needs: Needs the Marketplace (HACS on 2026.10 and older)
Domain: fmi
Source: github.com/kogeler/fmi-hass-custom
Issues: Report an issue

Shows in Vulpo Chart card, Lumen sky, Apple Watch.

Download Vulpo

Independent directory, made by the developer of Vulpo. Not affiliated with Home Assistant or the Open Home Foundation.

Screenshots From the README of kogeler/fmi-hass-custom.

Current conditions with feels-like temperature, rain and thunder probability, a five-day daily forecast, and an hourly forecast with precipitation probability and apparent temperature

About

Home Assistant Custom Component Supporting FMI Based Weather and Sensor Platforms

Description from kogeler/fmi-hass-custom

Shows in Vulpo

Chart card, Lumen sky, Apple Watch.

Download Vulpo

Supports

Uses the vendor's cloudNeeds an internet connection and an account with the vendor.
From the MarketplaceInstalled through the Marketplace, formerly HACS.
Actively maintainedIts author released or pushed a change in the last six months.

Provides

Sensors
Weather

Setting it up

Install it from the Marketplace and restart Home Assistant, then add it under Settings, Devices and services.

Confirm forecast location

Forecast location

Choose forecast location on map

Forecast location
Name

Search FMI by place name

Name
City or place

After setup

Max Precipitation mm
Max Relative Humidity %
Max Feels-like Temperature °C
Max Wind Speed m/s
Min Precipitation mm
Min Relative Humidity %
Min Feels-like Temperature °C
Min Wind Speed m/s
Forecast Interval h
Num of forecast days
Activate Daily forecast entity
Activate Lightning sensor
Lightning sensor radius km
Lightning maximum age in minutes
FMI's Observation Station ID

Texts from the code of kogeler/fmi-hass-custom.

Entities

SensorsPlace, Condition, Temperature, Feels like, Dew point, Atmospheric pressure, Wind speed, Wind direction, Wind gust, Humidity, Cloud coverage, Low cloud cover, and 9 more

Troubleshooting

DiagnosticsDownloads a diagnostics file to attach to a bug report.

From the README

fmi-hass-custom is a maintained community custom integration for Home Assistant. It is developed at github.com/kogeler/fmi-hass-custom and uses
to provide current conditions, hourly and daily forecasts, weather sensors, optional station observations, lightning data, and sea-level forecasts for a configured location.

From the README of kogeler/fmi-hass-custom, MIT License. Shortened.