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      Elev 451 ft, 27.736 °S 53.908 °W

      São Martinho, BR

      São Martinho Station49°
      Updated: 6:45 AM GMT-03:00 on September 14, 2026 (GMT -3)
      7 minutes ago
      68°
      48°
      49
      Feels Like 45
      Partly Cloudy
      N
      9
      Higher 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
        Mon 09/14
        High 68°f
         11% Precip. / 0 in
        A mix of clouds and sun. High 68F. Winds SE at 5 to 10 mph.
        Tonight
        Mon 09/14
        Low 49°f
         8% Precip. / 0 in
        Partly cloudy. Low 49F. Winds SE at 5 to 10 mph.
        Tomorrow
        Tue 09/15
        High 68°f46°f
         8% Precip. / 0 in
        Partly cloudy skies. High 68F. Winds S at 5 to 10 mph.
        Hourly Forecast
        Now
        49°
        7AM
        49°
        8AM
        51°
        9AM
        55°
        10AM
        58°
        11AM
        61°
        12PM
        63°
        1PM
        65°
        2PM
        66°
        3PM
        67°
        4PM
        67°
        5PM
        66°
        6PM
        64°
        6:28PM
        Sunset
        7PM
        61°
        8PM
        59°
        9PM
        58°
        10PM
        56°
        11PM
        55°
        12AM
        53°
        1AM
        52°
        2AM
        52°
        3AM
        51°
        4AM
        51°
        5AM
        50°
        6AM
        50°
        Precipitation
        12%
        Pollen
        Grass Pollen
        Moderate
        Air Quality
        22
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.14 in
        2. Visibility 9 miles
        3. Clouds Partly Cloudy
        4. Dew Point46°F
        5. Humidity 91%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         SSZR Station History
        Almanac for
        1. Forecast Average Record
        2. Temperature
        3. High 68°F -°F -°F
        4. Low 48°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 68°F -°F -°F
        4. Low 48°F -°F -°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:34 AM 6:28 PM
        3. Civil Twilight 6:11 AM 6:51 PM
        4. Nautical Twilight 5:44 AM 7:18PM
        5. Astronomical Twilight 5:16 AM 7:45 PM
        1. Length of Visible Light 12h 40m
        2. Length of Day 11h 53m
        3. Tomorrow will be 1 minute 37 seconds longer
        1. Moon 8:20 AM 10:04 PM
        2. Waxing Crescent12% 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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