My Profile
  1. Member Settings
  2. My Devices
  3. Sign Out
Log In
    Favorites
        More Settings
      Elev 545 ft, 44.907 °N 97.115 °W

      Watertown, SD

      Watertown Station55°
      Updated: 5:35 PM CDT on September 21, 2026 (GMT -5)
      2 minutes ago
      60°
      47°
      55
      Feels Like 55
      Showers in Vicinity
      N
      9
      Similar 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
        Tue 09/22
        Low 47°f
         78% Precip. / 0.02 in
        Light rain early. Then remaining cloudy. Low 47F. Winds E at 5 to 10 mph. Chance of rain 80%.
        Tomorrow
        Wed 09/23
        High 58°f
         23% Precip. / 0 in
        Cloudy skies. High 58F. Winds SE at 10 to 15 mph.
        Tomorrow night
        Wed 09/23
        Low 52°f
         8% Precip. / 0 in
        Partly cloudy skies early will become overcast later during the night. Low 52F. Winds SE at 10 to 15 mph.
        Hourly Forecast
        Now
        53°
        6PM
        46%
        53°
        7PM
        52°
        7:27PM
        Sunset
        8PM
        50°
        9PM
        49°
        10PM
        49°
        11PM
        48°
        12AM
        48°
        1AM
        48°
        2AM
        48°
        3AM
        49°
        4AM
        49°
        5AM
        50°
        6AM
        50°
        7AM
        50°
        7:15AM
        Sunrise
        8AM
        50°
        9AM
        51°
        10AM
        52°
        11AM
        53°
        12PM
        55°
        1PM
        56°
        2PM
        56°
        3PM
        57°
        4PM
        57°
        5PM
        57°
        Precipitation
        46%
        Rain ending around 6:30 PM
        Pollen
        None
        Air Quality
        17
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.24 in
        2. Visibility 5 miles
        3. Clouds Cloudy
        4. Dew Point47°F
        5. Humidity 83%
        6. Rainfall 0.29 in
        7. Snow Depth 0 in
         KATY Station History
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 60°F 70°F 97°F 1936
        4. Low 47°F 47°F 23°F 1934
        5. Rain/Snow Depth
        6. Precipitation 0.02 in 3.1 in -
        7. Snow 0 in 0 in -
        Almanac for September 22, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 58°F 69°F 99°F
        4. Low 47°F 46°F 21°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:14 AM 7:27 PM
        3. Civil Twilight 6:45 AM 7:56 PM
        4. Nautical Twilight 6:10 AM 8:31PM
        5. Astronomical Twilight 5:35 AM 9:06 PM
        1. Length of Visible Light 13h 11m
        2. Length of Day 12h 13m
        3. Tomorrow will be 3 minutes 7 seconds shorter
        1. Moon 5:22 PM 1:29 AM
        2. Waxing Gibbous77% 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
        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