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      Thunderstorm Advisory
      until 12:00 PM JST
      Elev 10 ft, 35.018 °N 135.963 °E

      Ritto-shi, JP

      Kusatsu Station74°
      Updated: 2:01 PM JST on September 14, 2026 (GMT +9)
      7 minutes ago
      86°
      73°
      74
      Feels Like 75
      Heavy Thunderstorm
      N
      6
      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
        Mon 09/14
        High 81°f
         70% Precip. / 1.05 in
        Thunderstorms with locally heavy downpours. High 81F. Winds light and variable. Chance of rain 70%. Rainfall possibly over one inch.
        Tonight
        Mon 09/14
        Low 72°f
         53% Precip. / 0.34 in
        Occasional light rain. Low 72F. Winds light and variable. Chance of rain 50%.
        Tomorrow
        Tue 09/15
        High 79°f70°f
         72% Precip. / 0.49 in
        Cloudy with occasional light rain. High 79F. Winds light and variable. Chance of rain 70%.
        Hourly Forecast
        Now
        77°
        3PM
        60%
        77°
        4PM
        63%
        78°
        5PM
        59%
        76°
        6PM
        30%
        78°
        6:05PM
        Sunset
        7PM
        77°
        8PM
        35%
        76°
        9PM
        35%
        76°
        10PM
        36%
        75°
        11PM
        41%
        75°
        12AM
        38%
        74°
        1AM
        40%
        74°
        2AM
        46%
        74°
        3AM
        52%
        73°
        4AM
        52%
        73°
        5AM
        53%
        73°
        5:38AM
        Sunrise
        6AM
        53%
        73°
        7AM
        56%
        73°
        8AM
        43%
        74°
        9AM
        40%
        75°
        10AM
        76°
        11AM
        35%
        78°
        12PM
        35%
        79°
        1PM
        46%
        79°
        2PM
        50%
        78°
        Precipitation
        63%
        Thunderstorms likely to continue
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        29
        Good
        UV Index
        2
        Low
        Additional Conditions
        1. Pressure 29.95 in
        2. Visibility 1.6 miles
        3. Clouds Cloudy
        4. Dew Point74°F
        5. Humidity 90%
        6. Rainfall 0.89 in
        7. Snow Depth 0 in
         RJOO Station History
        Almanac for
        1. Forecast Average Record
        2. Temperature
        3. High 86°F -°F -°F
        4. Low 73°F -°F -°F
        5. Rain/Snow Depth
        6. Precipitation 1.4 in - in -
        7. Snow 0 in - in -
        Almanac for
        1. Forecast Average Record
        2. Temperature
        3. High 79°F -°F -°F
        4. Low 73°F -°F -°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 5:37 AM 6:05 PM
        3. Civil Twilight 5:12 AM 6:30 PM
        4. Nautical Twilight 4:42 AM 7:00PM
        5. Astronomical Twilight 4:12 AM 7:30 PM
        1. Length of Visible Light 13h 18m
        2. Length of Day 12h 27m
        3. Tomorrow will be 2 minutes 10 seconds shorter
        1. Moon 8:36 AM 7:26 PM
        2. Waxing Crescent9% of the Moon is Illuminated
        Sep 19
        Waxing Half First Qtr
        Sep 27
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 11
        New Moon
        Precipitation
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