My Profile
  1. Member Settings
  2. My Devices
  3. Sign Out
Log In
    Favorites
        More Settings
      Elev 192 ft, 41.497 °N 87.334 °W

      Merrillville, IN

      Merrillville Station84°
      Updated: 11:56 AM CDT on September 11, 2026 (GMT -5)
      10 minutes ago
      82°
      55°
      84
      Feels Like 84
      Sunny
      N
      8
      Higher 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
        Sat 09/12
        High 82°f
         1% Precip. / 0 in
        Sunny to partly cloudy. High 82F. Winds SE at 5 to 10 mph.
        Tonight
        Sat 09/12
        Low 64°f
         18% Precip. / 0 in
        Partly cloudy skies. Low 64F. Winds light and variable.
        Tomorrow
        Sun 09/13
        High 87°f64°f
         14% Precip. / 0 in
        Sunshine and clouds mixed. High 87F. Winds SW at 5 to 10 mph.
        Hourly Forecast
        Now
        79°
        12PM
        80°
        1PM
        81°
        2PM
        82°
        3PM
        80°
        4PM
        80°
        5PM
        79°
        6PM
        77°
        7PM
        74°
        7:05PM
        Sunset
        8PM
        71°
        9PM
        70°
        10PM
        69°
        11PM
        68°
        12AM
        67°
        1AM
        67°
        2AM
        66°
        3AM
        66°
        4AM
        66°
        5AM
        65°
        6AM
        65°
        6:27AM
        Sunrise
        7AM
        66°
        8AM
        69°
        9AM
        74°
        10AM
        78°
        11AM
        81°
        Precipitation
        18%
        Pollen
        None
        Air Quality
        33
        Good
        UV Index
        7
        High
        Additional Conditions
        1. Pressure 30.01 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point55°F
        5. Humidity 43%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KGYY Station History
        Almanac for September 11, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 82°F 77°F 95°F 1983
        4. Low 55°F 55°F 39°F 1967
        5. Rain/Snow Depth
        6. Precipitation 0 in 0.13 in -
        7. Snow 0 in - in -
        Almanac for September 12, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 87°F 77°F 102°F
        4. Low 55°F 55°F 36°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:25 AM 7:05 PM
        3. Civil Twilight 5:57 AM 7:33 PM
        4. Nautical Twilight 5:24 AM 8:06PM
        5. Astronomical Twilight 4:50 AM 8:40 PM
        1. Length of Visible Light 13h 35m
        2. Length of Day 12h 39m
        3. Tomorrow will be 2 minutes 44 seconds shorter
        1. Moon 6:57 AM 7:12 PM
        2. Waxing Crescent0% 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
        Loading…
        Health
        Loading…
        Weather Alerts
        Loading…
        Our AppsAbout UsContactCareersWeather Data APIs
        PWS NetworkWundermap
        Terms of UsePrivacy PolicyCookie NoticeAccessibility StatementAdChoicesData Vendors
        essentialaccessibility.com
        We recognize our responsibility to use data and technology for good. We may use or share your data with our data vendors. Take control of your data.
        Review All Privacy and Ad Settings
        Choose how my information is shared
        Data Rights
        The Weather Company The Weather Channel Weather Underground Storm Radar
        © The Weather Company, LLC 2026
        Glossary