My Profile
  1. Member Settings
  2. My Devices
  3. Sign Out
Log In
    Favorites
        More Settings
      Elev 197 ft, 64.005 °N 20.813 °W

      Selfoss, IS

      Arnarbaeli Station45°
      Updated: 11:09 PM GMT on September 16, 2026 (GMT +0)
      19 seconds ago
      54°
      44°
      45
      Feels Like 44
      Rain
      N
      3
      Same temperature is expected tomorrow
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Tonight
        Wed 09/16
        Low 43°f
         98% Precip. / 0.16 in
        Rain likely. Low 43F. Winds light and variable. Chance of rain 100%.
        Tomorrow
        Thu 09/17
        High 52°f
         56% Precip. / 0.03 in
        Light rain early. Then remaining cloudy. High 52F. Winds W at 10 to 15 mph. Chance of rain 60%.
        Tomorrow night
        Thu 09/17
        Low 41°f
         12% Precip. / 0 in
        Cloudy. Low 41F. Winds WSW at 5 to 10 mph.
        Hourly Forecast
        Now
        45°
        12AM
        80%
        45°
        1AM
        45°
        2AM
        49%
        44°
        3AM
        48%
        45°
        4AM
        35%
        44°
        5AM
        44°
        6AM
        38%
        45°
        6:51AM
        Sunrise
        7AM
        57%
        44°
        8AM
        35%
        45°
        9AM
        48°
        10AM
        35%
        49°
        11AM
        35%
        50°
        12PM
        51°
        1PM
        51°
        2PM
        51°
        3PM
        51°
        4PM
        51°
        5PM
        50°
        6PM
        49°
        7PM
        48°
        7:42PM
        Sunset
        8PM
        47°
        9PM
        47°
        10PM
        46°
        11PM
        46°
        Precipitation
        80%
        Rain continuing through 4 AM
        Pollen
        None
        Air Quality
        16
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 28.95 in
        2. Visibility 2.9 miles
        3. Clouds Partly Cloudy
        4. Dew Point43°F
        5. Humidity 95%
        6. Rainfall 0.57 in
        7. Snow Depth 0 in
         BISF Station History
        Almanac for
        1. Forecast Average Record
        2. Temperature
        3. High 54°F -°F -°F
        4. Low 44°F -°F -°F
        5. Rain/Snow Depth
        6. Precipitation 0.16 in - in -
        7. Snow 0 in - in -
        Almanac for
        1. Forecast Average Record
        2. Temperature
        3. High 52°F -°F -°F
        4. Low 44°F -°F -°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:49 AM 7:45 PM
        3. Civil Twilight 6:00 AM 8:33 PM
        4. Nautical Twilight 4:59 AM 9:34PM
        5. Astronomical Twilight 3:45 AM 10:46 PM
        1. Length of Visible Light 14h 33m
        2. Length of Day 12h 56m
        3. Tomorrow will be 6 minutes 24 seconds shorter
        1. Moon 4:31 PM 6:17 PM
        2. Waxing Crescent29% of the Moon is Illuminated
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Precipitation
        Loading…
        Health
        Loading…
        Weather Alerts
        Loading…
        Our AppsAbout UsContactCareersWeather Data APIs
        PWS NetworkWundermap
        Terms of UsePrivacy PolicyCookie NoticeAccessibility StatementAdChoicesData Vendors
        essentialaccessibility.com
        We recognize our responsibility to use data and technology for good. We may use or share your data with our data vendors. Take control of your data.
        Review All Privacy and Ad Settings
        Choose how my information is shared
        Data Rights
        The Weather Company The Weather Channel Weather Underground Storm Radar
        © The Weather Company, LLC 2026
        Glossary