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
    234 w/m²
    UV
    1.1
    Rain

    Rainrate: mm/h
    mm/h
    May: 7.4 mm (20 %)
    2026: 31.6 mm (4 %)

    04:57
    21:55
    Daylight: 16:58
    03:48
    17:22

    Solarpanels 13.05.2026 21:17

    0 wattProduction:
    7 wattUsage:
    Status
    19.38 V | 0 WSolarpanels:
    Bulk | 12.82 V | -0.52 ABattery:
    0.53 A | 6.8 WUsage:
    Production Usage
    Today 0.21 kWh 0.12 kWh
    May 2.88 kWh 1.60 kWh
    2026 15.78 kWh 7.08 kWh
    Temperatures
    26.2°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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