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      Elev 5965 ft, 21.632 °N 100.548 °W

      San Diego de la Unión, MX

      Tierra Nueva Station66°
      Updated: 9:14 AM CST on September 17, 2026 (GMT -6)
      8 minutes ago
      75°
      59°
      66
      Feels Like 66
      Cloudy
      N
      9
      Lower 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
        Fri 09/18
        High 75°f
         75% Precip. / 0.04 in
        Rain early. A mix of sun and clouds by afternoon. High near 75F. Winds ENE at 15 to 25 mph. Chance of rain 80%.
        Tonight
        Fri 09/18
        Low 56°f
         24% Precip. / 0 in
        Overcast. Hazy. Low 56F. Winds NE at 10 to 20 mph.
        Tomorrow
        Sat 09/19
        High 75°f55°f
         17% Precip. / 0 in
        Partly cloudy. High around 75F. Winds NE at 10 to 20 mph.
        Hourly Forecast
        Now
        66°
        10AM
        73%
        67°
        11AM
        69°
        12PM
        71°
        1PM
        72°
        2PM
        73°
        3PM
        74°
        4PM
        73°
        5PM
        72°
        6PM
        70°
        6:44PM
        Sunset
        7PM
        67°
        8PM
        65°
        9PM
        63°
        10PM
        62°
        11PM
        61°
        12AM
        60°
        1AM
        60°
        2AM
        60°
        3AM
        59°
        4AM
        59°
        5AM
        58°
        6AM
        58°
        6:30AM
        Sunrise
        7AM
        57°
        8AM
        60°
        9AM
        63°
        Precipitation
        73%
        Rain ending around 10:45 AM
        Pollen
        Ragweed Pollen
        High
        Air Quality
        29
        Good
        UV Index
        2
        Low
        Additional Conditions
        1. Pressure 30.13 in
        2. Visibility 9 miles
        3. Clouds Cloudy
        4. Dew Point56°F
        5. Humidity 70%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         MMLO Station History
        Almanac for
        1. Forecast Average Record
        2. Temperature
        3. High 75°F -°F -°F
        4. Low 59°F -°F -°F
        5. Rain/Snow Depth
        6. Precipitation 0.04 in - in -
        7. Snow 0 in - in -
        Almanac for
        1. Forecast Average Record
        2. Temperature
        3. High 75°F -°F -°F
        4. Low 59°F -°F -°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:31 AM 6:44 PM
        3. Civil Twilight 6:08 AM 7:06 PM
        4. Nautical Twilight 5:42 AM 7:32PM
        5. Astronomical Twilight 5:16 AM 7:58 PM
        1. Length of Visible Light 12h 57m
        2. Length of Day 12h 13m
        3. Tomorrow will be 1 minute 13 seconds shorter
        1. Moon 12:27 PM 11:13 PM
        2. Waxing Crescent39% 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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