Log In
    Favorites
        Member Settings
      Elev 2405 ft, 13.640 °N 89.142 °W

      San Francisco Chinameca, SV

      Santo Tomás Station81°
      Updated: 1:56 PM CST on October 17, 2026 (GMT -6)
      3 minutes ago
      82°
      68°
      81
      Feels Like 94
      Partly Cloudy
      N
      3
      Same temperature is expected today
      Wundermap

      Loading nearby stations…

       Wundermap
      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
        Sat 10/17
        High 80°f
         92% Precip. / 0.22 in
        Thunderstorms likely. High around 80F. Winds light and variable. Chance of rain 90%.
        Tonight
        Sat 10/17
        Low 68°f
         100% Precip. / 0.56 in
        Thunderstorms this evening followed by occasional showers overnight. Low 68F. Winds light and variable. Chance of rain 100%.
        Tomorrow
        Sun 10/18
        High 81°f67°f
         68% Precip. / 0.31 in
        Scattered thunderstorms in the morning, then mainly cloudy during the afternoon with thunderstorms likely. High 81F. Winds NE at 5 to 10 mph. Chance of rain 70%.
        Hourly Forecast
        Now
        77°
        2PM
        98%
        77°
        3PM
        74%
        76°
        4PM
        79%
        75°
        5PM
        37%
        73°
        5:36PM
        Sunset
        6PM
        68%
        71°
        7PM
        99%
        70°
        8PM
        80%
        70°
        9PM
        59%
        71°
        10PM
        66%
        70°
        11PM
        63%
        70°
        12AM
        64%
        70°
        1AM
        63%
        69°
        2AM
        63%
        69°
        3AM
        53%
        69°
        4AM
        50%
        69°
        5AM
        46%
        69°
        5:47AM
        Sunrise
        6AM
        43%
        69°
        7AM
        38%
        71°
        8AM
        74°
        9AM
        75°
        10AM
        78°
        11AM
        35%
        80°
        12PM
        57%
        80°
        1PM
        57%
        80°
        Precipitation
        99%
        Thunderstorms likely to continue
        Pollen
        None
        Air Quality
        54
        Moderate
        UV Index
        5
        Moderate
        Additional Conditions
        1. Pressure 29.92 in
        2. Visibility 6 miles
        3. Clouds Partly Cloudy
        4. Dew Point69°F
        5. Humidity 77%
        6. Rainfall 0.22 in
        7. Snow Depth 0 in
         MSSS Station History
        Almanac for October 17, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 82°F 86°F 90°F 2009
        4. Low 68°F 68°F 62°F 1985
        5. Rain/Snow Depth
        6. Precipitation 0.78 in 0.31 in -
        7. Snow 0 in - in -
        Almanac for October 18, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 81°F 86°F 90°F
        4. Low 68°F 68°F 64°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 5:47 AM 5:35 PM
        3. Civil Twilight 5:25 AM 5:57 PM
        4. Nautical Twilight 5:00 AM 6:22PM
        5. Astronomical Twilight 4:36 AM 6:47 PM
        1. Length of Visible Light 12h 31m
        2. Length of Day 11h 48m
        3. Tomorrow will be 42 seconds shorter
        1. Moon 11:42 AM 11:11 PM
        2. Waxing Crescent41% of the Moon is Illuminated
        Oct 18
        Waxing Half First Qtr
        Oct 25
        Full Moon
        Nov 1
        Waning Half Last Qtr
        Nov 9
        New Moon
        Nearby Weather Stations
        Station Location
        Temp
        Windchill
        Heat Index
        Dew Point
        Humidity
        Wind
        Precip.
        Elev.
        Updated
        Loading nearby stations…
        Precipitation
        Loading…
        Health
        Loading…
        Weather Alerts
        Loading…
        Our AppsAbout UsContactCareers
        PWS NetworkWunderMap
        Trust CenterTerms of UsePrivacy PolicyData RightsPrivacy SettingsCookie NoticeData VendorsAccessibility Statement
        Level Access
        The Weather Company The Weather Channel Weather Underground Storm Radar
        © The Weather Company, LLC 2026
        Glossary