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      Heavy Rainfall Warning
      until 12:00 AM JST
      +2 more alerts
      Elev 25 ft, 35.854 °N 139.909 °E

      Heiwadai, JP

      Nagareyama Station73°
      Updated: 9:27 AM JST on September 7, 2026 (GMT +9)
      9 minutes ago
      76°
      71°
      73
      Feels Like 75
      Showers in Vicinity
      N
      6
      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
        Mon 09/07
        High 76°f
         100% Precip. / 1.32 in
        Rain likely. High 76F. Winds SW at 5 to 10 mph. Chance of rain 100%. 1 to 2 inches of rain expected. Locally heavy rainfall possible.
        Tonight
        Mon 09/07
        Low 74°f
         61% Precip. / 0.06 in
        Cloudy with occasional light rain . Low 74F. Winds WSW at 5 to 10 mph. Chance of rain 60%.
        Tomorrow
        Tue 09/08
        High 84°f78°f
         94% Precip. / 0.53 in
        A steady light rain early. Showers with perhaps a rumble of thunder developing in the afternoon. High 84F. Winds SW at 5 to 10 mph. Chance of rain 90%. Locally heavy rainfall possible.
        Hourly Forecast
        Now
        73°
        10AM
        97%
        74°
        11AM
        98%
        74°
        12PM
        100%
        75°
        1PM
        100%
        76°
        2PM
        100%
        76°
        3PM
        100%
        76°
        4PM
        89%
        76°
        5PM
        81%
        75°
        6PM
        81%
        75°
        6:00PM
        Sunset
        7PM
        61%
        75°
        8PM
        49%
        75°
        9PM
        51%
        75°
        10PM
        34%
        75°
        11PM
        39%
        75°
        12AM
        75°
        1AM
        75°
        2AM
        75°
        3AM
        30%
        75°
        4AM
        37%
        75°
        5AM
        37%
        75°
        5:17AM
        Sunrise
        6AM
        30%
        75°
        7AM
        75°
        8AM
        76°
        9AM
        30%
        78°
        Precipitation
        100%
        Thunderstorms likely to continue
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        17
        Good
        UV Index
        3
        Moderate
        Additional Conditions
        1. Pressure 29.61 in
        2. Visibility 7 miles
        3. Clouds Cloudy
        4. Dew Point72°F
        5. Humidity 97%
        6. Rainfall 5.16 in
        7. Snow Depth 0 in
         RJTI Station History
        Almanac for September 7, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 76°F 84°F 96°F 2010
        4. Low 71°F 71°F 64°F 2021
        5. Rain/Snow Depth
        6. Precipitation 1.38 in 0.3 in -
        7. Snow 0 in - in -
        Almanac for September 8, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 84°F 84°F 92°F
        4. Low 71°F 70°F 63°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 5:16 AM 5:59 PM
        3. Civil Twilight 4:50 AM 6:25 PM
        4. Nautical Twilight 4:19 AM 6:56PM
        5. Astronomical Twilight 3:48 AM 7:27 PM
        1. Length of Visible Light 13h 35m
        2. Length of Day 12h 43m
        3. Tomorrow will be 2 minutes 12 seconds shorter
        1. Moon 12:20 AM 3:35 PM
        2. Waning Crescent24% of the Moon is Illuminated
        Sep 11
        New Moon
        Sep 19
        Waxing Half First Qtr
        Sep 27
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Precipitation
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