Weatherstation Kemiönsaari, Västanfjärd

Precip- and lightningradar

Weatherforecastmap

Weatherforecast

    Current conditions

    Temperature
    °C °C
    Dewpoint

    Pressure
    hPa hPa
    Wind

    m/s
    Direction

    Windrun: km

    Humidity
    % %
    Solar
    918 w/m²
    UV
    3.9
    Rain

    Rainrate: mm/h
    mm/h
    June: 41.2 mm (75 %)
    2026: 80.8 mm (11 %)

    04:05
    22:57
    Daylight: 18:52
    07:52
    01:11

    Solarpanels 18.06.2026 14:27

    15 wattProduction:
    6 wattUsage:
    Status
    36.85 V | 15 WSolarpanels:
    Float | 14.08 V | 0.62 ABattery:
    0.43 A | 5.5 WUsage:
    Production Usage
    Today 0.17 kWh 0.07 kWh
    June 4.80 kWh 2.29 kWh
    2026 25.43 kWh 11.73 kWh
    Temperatures
    37.5°CRasPi - System:
    °CSystem box:
    %System box - Humidity:
    Weathergraphs Panelgraphs Solar vs PV
    Loading data, please wait..
    The weatherstation works totally "off-grid" with solarpower. One of the ideas for the project is to check how well it works also during the dark season. As powersource works one 445 W bifacial solarpanel and 194 Ah of batterys. As controller is a BlueSolar MPPT 75/15 with serialport for data.
    Stuffs what wants power are a RaspberryPi, router/4G-modem, ip-cam, weatherstation and lightningtracker as partipating in the european-wide Blitzortung-network. Total powerneed are ca 210 watt per day during summertime if running everything 24/7 and ca 12 watt during wintertime when running with minimal uptime and lightningradar offline.

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