Served by the Norwegian Meteorological Institute and NRK

Karljohansvern

Military installation, Horten, Vestfold (Norway), elevation 3 m

Webcams

  1. Image from Sykehusbrygga - Indre havn
  2. Image from Horten gjestehavn
  3. Image from Tønsberg, direction west

    W+2

  4. Image from Drøbak, direction south

    S+1

The closest observation stations

  1. Horten II

    elevation 95 m, 2 km from Karljohansvern

    Temperature at
    Temperature21.8°

  2. Gullholmen

    elevation 14 m, 4.9 km from Karljohansvern

    Temperature at
    Temperature19.2°

  3. Fv310 Kotterud

    elevation 40 m, 4 km from Karljohansvern

    Temperature at
    Temperature21.8°

The air around Karljohansvern

  1. Pollen forecast

    Eastern Norway with Oslo

    16 May
    Pollen typeConcentration
    Birch
    Severe
    Salix
    Low
    17 May
    Pollen typeConcentration
    Birch
    Moderate
    Salix
    Low

    More details at naaf.no/pollenvarsel/

  2. Air pollution forecast

    Karljohansvern

    :Low

    Low or no risk for health effects.

    Graph which shows air quality for Karljohansvern

    More details and health advice on luftkvalitet.miljodirektoratet.no

In the atmosphere

  1. UV forecast

    Karljohansvern

    3Moderate

    Limit your time in the sun, seek shade, cover up with protective clothing and wear sunglasses. Apply generous amounts of sunscreen with an SPF of at least 30.

    Graph which shows UV forecast for Karljohansvern

    More details at dsa.no

  2. Aurora

    Karljohansvern

    Aurora: No activity
    40% cloud cover
    Kp index: 6
    Aurora

Sun and moon

  1. Sun

    Daylight42° above horizon
    Graph which shows the sun phases and how high in the sky the sun is for Karljohansvern
    • Sunrise
    • Sunset
    • Length of day:
    • Difference from yesterday:
    • Difference from winter solstice:
    • Solar noon at
    • Next solar eclipse (partial):

  2. Moon

    The moon is 17° over the horizon in east

    60.2% illuminated, waxing gibbous

    • Moonset in northwest
    • Moonrise in northeast
    • Next full moon:
    • Next new moon:
    • Next lunar eclipse (partial):

Water temperatures

See all water temperatures

  1. Fyllinga

    1.8 km from Karljohansvern

    Temperature13.7°

    Registered by Horten kommune,

  2. Steinsnes

    3.3 km from Karljohansvern

    Temperature14.0°

    Registered by user,

  3. Sjøbadet

    9.1 km from Karljohansvern

    Temperature17.0°

    Registered by Badetassen.no,

  4. Åsgårdstrand

    9.2 km from Karljohansvern

    Temperature16.0°

    Registered by Horten kommune,

  5. Verket

    10.2 km from Karljohansvern

    Temperature14.7°

    Registered by user,

  6. Nes camping

    10.2 km from Karljohansvern

    Temperature15.3°

    Registered by user,