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      Elev 194 ft, 47.577 °N 122.228 °W

      Mercer Island, WA

      SW Mercer Island Station64°
      Mon, Sep 28, 2026
      Tonight
      Tue 09/29
      Low 56°f
      47% Precip. / 0.07 in
      Considerable cloudiness with occasional rain showers. Low 56F. Winds SSW at 10 to 20 mph. Chance of rain 50%.
      Tomorrow
      Wed 09/30
      High 61°f
      73% Precip. / 0.13 in
      Cloudy with occasional showers. High 61F. Winds SW at 10 to 20 mph. Chance of rain 70%.
      Sunrise 7:04 AM
      Sunset 6:53 PM
      Moonrise 7:24 PM
      Moonset 9:41 AM
      Waning Gibbous, 92% visible
      Hourly Forecast
      Now
      66°
      6PM
      65°
      6:54PM
      Sunset
      7PM
      63°
      8PM
      62°
      9PM
      61°
      10PM
      60°
      11PM
      41%
      60°
      12AM
      47%
      59°
      1AM
      37%
      58°
      2AM
      58°
      3AM
      34%
      58°
      4AM
      36%
      58°
      5AM
      34%
      58°
      6AM
      33%
      58°
      7AM
      33%
      58°
      7:05AM
      Sunrise
      8AM
      34%
      57°
      9AM
      32%
      58°
      10AM
      59°
      11AM
      60°
      12PM
      35%
      60°
      1PM
      34%
      61°
      2PM
      33%
      61°
      3PM
      39%
      61°
      4PM
      47%
      61°
      5PM
      51%
      60°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      6:00 pm
      Mostly Cloudy
      		 65°F 65°F 1% 0in 68% 48°F 53% 10 mph SSW 29.96in
      7:00 pm
      Cloudy
      		 63°F 63°F 1% 0in 91% 48°F 58% 9 mph SSW 29.97in
      8:00 pm
      Cloudy
      		 62°F 61°F 1% 0in 100% 49°F 63% 9 mph SSW 29.97in
      9:00 pm
      Cloudy
      		 61°F 60°F 19% 0in 95% 49°F 65% 9 mph SSW 29.97in
      10:00 pm
      Cloudy
      		 60°F 59°F 24% 0in 91% 50°F 68% 10 mph SSW 29.97in
      11:00 pm
      Showers
      		 60°F 58°F 41% 0.01in 94% 50°F 71% 10 mph SSW 29.96in
      Additional Conditions
      1. Pressure 29.97 in
      2. Visibility 10 miles
      3. Clouds Cloudy
      4. Dew Point46°F
      5. Humidity 50%
      6. Rainfall 0 in
      7. Snow Depth 0 in
       KBFI Station History
      Almanac for September 28, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 67°F 66°F 81°F 1935
      4. Low 43°F 50°F 39°F 1919
      5. Rain/Snow Depth
      6. Precipitation 0.07 in 0.07 in -
      7. Snow 0 in - in -
      Almanac for September 29, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 61°F 66°F 81°F
      4. Low 54°F 50°F 39°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 7:04 AM 6:53 PM
      3. Civil Twilight 6:33 AM 7:24 PM
      4. Nautical Twilight 5:57 AM 8:00PM
      5. Astronomical Twilight 5:20 AM 8:36 PM
      1. Length of Visible Light 12h 51m
      2. Length of Day 11h 49m
      3. Tomorrow will be 3 minutes 24 seconds shorter
      1. Moon 7:24 PM 9:41 AM
      2. Waning Gibbous92% of the Moon is Illuminated
      Oct 3
      Waning Half Last Qtr
      Oct 10
      New Moon
      Oct 18
      Waxing Half First Qtr
      Oct 25
      Full Moon
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      Elev.
      Updated
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