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      Elev 163 ft, 9.958 °S 67.869 °W

      Rio Branco, BR

      Rio Branco Station99°
      Updated: 12:03 PM GMT-05:00 on September 10, 2026 (GMT -5)
      8 minutes ago
      97°
      72°
      99
      Feels Like 113
      Partly Cloudy
      N
      10
      Gusts 22 mph
      Similar 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
        Thu 09/10
        High 97°f
         1% Precip. / 0 in
        Sunshine and clouds mixed. High 97F. Winds NNW at 10 to 15 mph.
        Tonight
        Thu 09/10
        Low 74°f
         5% Precip. / 0 in
        Clear skies. Low 74F. Winds light and variable.
        Tomorrow
        Fri 09/11
        High 98°f75°f
         24% Precip. / 0 in
        Sunshine and some clouds. High 98F. Winds NNW at 5 to 10 mph.
        Hourly Forecast
        Now
        95°
        1PM
        96°
        2PM
        97°
        3PM
        96°
        4PM
        94°
        5PM
        91°
        5:28PM
        Sunset
        6PM
        87°
        7PM
        84°
        8PM
        82°
        9PM
        81°
        10PM
        79°
        11PM
        78°
        12AM
        77°
        1AM
        76°
        2AM
        76°
        3AM
        75°
        4AM
        75°
        5AM
        75°
        5:27AM
        Sunrise
        6AM
        76°
        7AM
        80°
        8AM
        85°
        9AM
        88°
        10AM
        92°
        11AM
        94°
        12PM
        95°
        Precipitation
        5%
        Pollen
        Grass Pollen
        Low
        Air Quality
        75
        Moderate
        UV Index
        11
        Extreme
        Additional Conditions
        1. Pressure 29.86 in
        2. Visibility 6 miles
        3. Clouds Partly Cloudy
        4. Dew Point69°F
        5. Humidity 43%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         SBRB Station History
        Almanac for September 10, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 97°F 93°F -°F
        4. Low 72°F 69°F -°F
        5. Rain/Snow Depth
        6. Precipitation 0 in 0.12 in -
        7. Snow 0 in - in -
        Almanac for September 11, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 98°F 93°F -°F
        4. Low 72°F 69°F -°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 5:28 AM 5:28 PM
        3. Civil Twilight 5:07 AM 5:49 PM
        4. Nautical Twilight 4:43 AM 6:13PM
        5. Astronomical Twilight 4:18 AM 6:38 PM
        1. Length of Visible Light 12h 42m
        2. Length of Day 11h 59m
        3. Tomorrow will be 32 seconds longer
        1. Moon 4:58 AM 5:12 PM
        2. New0% of the Moon is Illuminated
        Sep 10
        New Moon
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Precipitation
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