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      Thunderstorm Advisory
      until 6:00 PM JST
      +1 more alert
      Elev -5 ft, 35.600 °N 140.098 °E

      Ichihara, JP

      Chuuou-ku Station71°
      Updated: 4:59 PM JST on September 20, 2026 (GMT +9)
      8 minutes ago
      74°
      69°
      71
      Feels Like 72
      Heavy Rain
      N
      7
      Higher 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
        Sun 09/20
        Low 70°f
         100% Precip. / 1.84 in
        Rain likely. Low around 70F. Winds NE at 5 to 10 mph. Chance of rain 100%. 1 to 2 inches of rain expected. Locally heavy rainfall possible.
        Tomorrow
        Mon 09/21
        High 79°f
         99% Precip. / 2.83 in
        Periods of rain and becoming windy. Rain may be heavy late. High 79F. Winds ENE at 20 to 30 mph. Chance of rain 100%. 2 to 3 inches of rain expected. Locally heavy rainfall possible.
        Tomorrow night
        Mon 09/21
        Low 75°f
         97% Precip. / 1.35 in
        Windy at times with rain likely. Low around 75F. Winds NNW at 25 to 35 mph. Chance of rain 100%. 1 to 2 inches of rain expected.
        Hourly Forecast
        Now
        71°
        5PM
        100%
        71°
        5:39PM
        Sunset
        6PM
        91%
        71°
        7PM
        93%
        71°
        8PM
        91%
        71°
        9PM
        100%
        72°
        10PM
        100%
        72°
        11PM
        100%
        73°
        12AM
        98%
        73°
        1AM
        87%
        73°
        2AM
        88%
        73°
        3AM
        100%
        73°
        4AM
        100%
        74°
        5AM
        88%
        74°
        5:26AM
        Sunrise
        6AM
        93%
        75°
        7AM
        84%
        75°
        8AM
        85%
        76°
        9AM
        93%
        77°
        10AM
        93%
        78°
        11AM
        100%
        78°
        12PM
        99%
        79°
        1PM
        100%
        78°
        2PM
        100%
        78°
        3PM
        100%
        77°
        4PM
        100%
        77°
        Precipitation
        100%
        Rain likely to continue
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        21
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.81 in
        2. Visibility 2.5 miles
        3. Clouds Cloudy
        4. Dew Point69°F
        5. Humidity 97%
        6. Rainfall 2.76 in
        7. Snow Depth 0 in
         RJTK Station History
        Almanac for September 20, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 74°F 80°F 92°F 2024
        4. Low 69°F 67°F 59°F 1963
        5. Rain/Snow Depth
        6. Precipitation 1.84 in 0.3 in -
        7. Snow 0 in - in -
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 79°F 80°F 91°F
        4. Low 69°F 67°F 60°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 5:25 AM 5:40 PM
        3. Civil Twilight 5:00 AM 6:05 PM
        4. Nautical Twilight 4:30 AM 6:35PM
        5. Astronomical Twilight 4:00 AM 7:05 PM
        1. Length of Visible Light 13h 5m
        2. Length of Day 12h 14m
        3. Tomorrow will be 2 minutes 13 seconds shorter
        1. Moon 2:01 PM 11:34 PM
        2. Waxing Gibbous62% of the Moon is Illuminated
        Sep 27
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 11
        New Moon
        Oct 19
        Waxing Half First Qtr
        Precipitation
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