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      Elev 5965 ft, 21.632 °N 100.548 °W

      San Diego de la Unión, MX

      Tierra Nueva Station65°
      Updated: 8:15 PM CST on September 18, 2026 (GMT -6)
      1 minute ago
      74°
      59°
      65
      Feels Like 65
      Mostly Cloudy
      N
      9
      Higher 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
        Sat 09/19
        Low 55°f
         8% Precip. / 0 in
        Overcast. Hazy. Low near 55F. Winds NE at 5 to 10 mph.
        Tomorrow
        Sun 09/20
        High 79°f
         8% Precip. / 0 in
        Intervals of clouds and sunshine. Hazy. High 79F. Winds NE at 10 to 20 mph.
        Tomorrow night
        Sun 09/20
        Low 53°f
         6% Precip. / 0 in
        Partly to mostly cloudy. Hazy. Low 53F. NNE winds at 10 to 15 mph, decreasing to less than 5 mph.
        Hourly Forecast
        Now
        63°
        9PM
        62°
        10PM
        61°
        11PM
        60°
        12AM
        60°
        1AM
        59°
        2AM
        59°
        3AM
        58°
        4AM
        57°
        5AM
        57°
        6AM
        56°
        6:31AM
        Sunrise
        7AM
        56°
        8AM
        59°
        9AM
        63°
        10AM
        66°
        11AM
        70°
        12PM
        72°
        1PM
        74°
        2PM
        76°
        3PM
        77°
        4PM
        77°
        5PM
        75°
        6PM
        73°
        6:42PM
        Sunset
        7PM
        69°
        8PM
        66°
        Precipitation
        9%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        31
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.02 in
        2. Visibility 9 miles
        3. Clouds Cloudy
        4. Dew Point57°F
        5. Humidity 81%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         MMLO Station History
        Almanac for
        1. Forecast Average Record
        2. Temperature
        3. High 74°F -°F -°F
        4. Low 59°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 79°F -°F -°F
        4. Low 59°F -°F -°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:31 AM 6:42 PM
        3. Civil Twilight 6:09 AM 7:04 PM
        4. Nautical Twilight 5:43 AM 7:30PM
        5. Astronomical Twilight 5:17 AM 7:56 PM
        1. Length of Visible Light 12h 55m
        2. Length of Day 12h 10m
        3. Tomorrow will be 1 minute 14 seconds shorter
        1. Moon 2:09 PM 12:04 AM
        2. Waxing Gibbous59% of the Moon is Illuminated
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Precipitation
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