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      Elev 627 ft, 13.698 °N 89.107 °W

      San Martín, SV

      Ilopango Station89°
      Updated: 10:06 AM CST on September 20, 2026 (GMT -6)
      7 minutes ago
      84°
      69°
      89
      Feels Like 113
      Partly Cloudy
      N
      2
      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
        Sun 09/20
        High 84°f
         98% Precip. / 0.34 in
        Scattered thunderstorms during the morning becoming more widespread this afternoon. High 84F. Winds SW at 5 to 10 mph. Chance of rain 100%.
        Tonight
        Sun 09/20
        Low 68°f
         80% Precip. / 0.91 in
        Thunderstorms likely. Hazy. Low 68F. Winds light and variable. Chance of rain 80%. Rainfall near an inch.
        Tomorrow
        Mon 09/21
        High 82°f68°f
         72% Precip. / 0.24 in
        Thunderstorms. High 82F. Winds W at 5 to 10 mph. Chance of rain 70%.
        Hourly Forecast
        Now
        81°
        11AM
        71%
        77°
        12PM
        33%
        81°
        1PM
        79%
        79°
        2PM
        88%
        80°
        3PM
        53%
        81°
        4PM
        80°
        5PM
        42%
        78°
        5:53PM
        Sunset
        6PM
        58%
        76°
        7PM
        71%
        74°
        8PM
        67%
        73°
        9PM
        68%
        72°
        10PM
        66%
        72°
        11PM
        64%
        71°
        12AM
        78%
        71°
        1AM
        81%
        70°
        2AM
        73%
        70°
        3AM
        62%
        69°
        4AM
        55%
        69°
        5AM
        39%
        69°
        5:45AM
        Sunrise
        6AM
        69°
        7AM
        71°
        8AM
        74°
        9AM
        76°
        10AM
        79°
        Precipitation
        88%
        Thunderstorms possible after 10 AM
        Pollen
        None
        Air Quality
        26
        Good
        UV Index
        10
        Very High
        Additional Conditions
        1. Pressure 30.04 in
        2. Visibility 6 miles
        3. Clouds Partly Cloudy
        4. Dew Point71°F
        5. Humidity 70%
        6. Rainfall 0.54 in
        7. Snow Depth 0 in
         MSSS Station History
        Almanac for September 20, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 84°F 86°F 90°F 2009
        4. Low 69°F 68°F 61°F 1957
        5. Rain/Snow Depth
        6. Precipitation 1.25 in 0.44 in -
        7. Snow 0 in - in -
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 82°F 85°F 90°F
        4. Low 69°F 68°F 64°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 5:45 AM 5:53 PM
        3. Civil Twilight 5:24 AM 6:14 PM
        4. Nautical Twilight 4:59 AM 6:39PM
        5. Astronomical Twilight 4:34 AM 7:04 PM
        1. Length of Visible Light 12h 50m
        2. Length of Day 12h 8m
        3. Tomorrow will be 45 seconds shorter
        1. Moon 1:50 PM 12:27 AM
        2. Waxing Gibbous68% 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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