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      Elev 36 ft, 65.001 °N 22.873 °W

      Grundarfjarðarbær, IS

      Helgafellssveit Station48°
      Updated: 1:40 PM GMT on September 12, 2026 (GMT +0)
      10 minutes ago
      51°
      37°
      48
      Feels Like 48
      Mostly Cloudy
      N
      5
      Same temperature is expected today
      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
        Today
        Sat 09/12
        High 49°f
         8% Precip. / 0 in
        Mostly cloudy skies. High 49F. Winds NE at 5 to 10 mph.
        Tonight
        Sat 09/12
        Low 42°f
         24% Precip. / 0 in
        Cloudy. Low 42F. Winds SSE at 10 to 15 mph.
        Tomorrow
        Sun 09/13
        High 50°f45°f
         81% Precip. / 0.17 in
        Cloudy with periods of light rain. High near 50F. Winds SE at 10 to 20 mph. Chance of rain 80%.
        Hourly Forecast
        Now
        49°
        2PM
        49°
        3PM
        49°
        4PM
        49°
        5PM
        48°
        6PM
        48°
        7PM
        47°
        8PM
        45°
        8:10PM
        Sunset
        9PM
        45°
        10PM
        44°
        11PM
        43°
        12AM
        44°
        1AM
        43°
        2AM
        44°
        3AM
        45°
        4AM
        45°
        5AM
        46°
        6AM
        32%
        46°
        6:48AM
        Sunrise
        7AM
        42%
        46°
        8AM
        52%
        47°
        9AM
        62%
        47°
        10AM
        78%
        48°
        11AM
        82%
        48°
        12PM
        79%
        48°
        1PM
        75%
        49°
        Precipitation
        82%
        Pollen
        None
        Air Quality
        20
        Good
        UV Index
        2
        Low
        Additional Conditions
        1. Pressure 29.69 in
        2. Visibility 10 miles
        3. Clouds Mostly Cloudy
        4. Dew Point37°F
        5. Humidity 65%
        6. Rainfall 0.01 in
        7. Snow Depth 0 in
         BIRF Station History
        Almanac for
        1. Forecast Average Record
        2. Temperature
        3. High 51°F -°F -°F
        4. Low 37°F -°F -°F
        5. Rain/Snow Depth
        6. Precipitation 0 in - in -
        7. Snow 0 in - in -
        Almanac for
        1. Forecast Average Record
        2. Temperature
        3. High 50°F -°F -°F
        4. Low 37°F -°F -°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:45 AM 8:10 PM
        3. Civil Twilight 5:54 AM 9:01 PM
        4. Nautical Twilight 4:47 AM 10:07PM
        5. Astronomical Twilight 3:18 AM 11:33 PM
        1. Length of Visible Light 15h 7m
        2. Length of Day 13h 25m
        3. Tomorrow will be 6 minutes 41 seconds shorter
        1. Moon 9:04 AM 7:33 PM
        2. Waxing Crescent1% 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
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