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      Frost Advisory
      until 8:00 AM PDT
      Elev 98 ft, 45.496 °N 122.765 °W

      Portland, OR

      West Slope Station44°
      Tue, Oct 20, 2026
      Tuesday
      Wed 10/21
      High 56°f
      37% Precip. / 0.06 in
      Overcast with rain showers at times. High 56F. Winds light and variable. Chance of rain 40%.
      Tuesday night
      Wed 10/21
      Low 41°f
      19% Precip. / 0 in
      A few clouds. Low 41F. Winds light and variable.
      Sunrise 7:34 AM
      Sunset 6:16 PM
      Moonrise 3:55 PM
      Moonset 1:14 AM
      Waxing Gibbous, 71% visible
      Hourly Forecast
      7:32AM
      Sunrise
      6:18PM
      Sunset
      12AM
      40%
      50°
      1AM
      43%
      50°
      2AM
      54%
      49°
      3AM
      52%
      48°
      4AM
      45%
      48°
      5AM
      47°
      6AM
      46°
      7AM
      46°
      8AM
      30%
      46°
      9AM
      47°
      10AM
      48°
      11AM
      38%
      50°
      12PM
      37%
      51°
      1PM
      37%
      53°
      2PM
      37%
      54°
      3PM
      37%
      55°
      4PM
      36%
      55°
      5PM
      55°
      6PM
      55°
      7PM
      53°
      8PM
      51°
      9PM
      50°
      10PM
      49°
      11PM
      48°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      12:00 am
      Showers
      		 50°F 49°F 40% 0.01in 80% 48°F 95% 3 mph SW 29.95in
      1:00 am
      Showers
      		 50°F 49°F 43% 0.01in 80% 48°F 94% 3 mph SW 29.96in
      2:00 am
      Showers
      		 49°F 48°F 54% 0.01in 80% 47°F 95% 3 mph SSW 29.96in
      3:00 am
      Showers
      		 48°F 48°F 52% 0.01in 81% 47°F 95% 3 mph SSW 29.97in
      4:00 am
      Showers
      		 48°F 47°F 45% 0.01in 83% 46°F 94% 4 mph SSW 29.97in
      5:00 am
      Cloudy
      		 47°F 46°F 24% 0in 84% 46°F 96% 4 mph SSW 29.98in
      6:00 am
      Cloudy
      		 46°F 45°F 24% 0in 83% 46°F 97% 4 mph SSW 29.99in
      7:00 am
      Cloudy
      		 46°F 44°F 24% 0in 80% 45°F 98% 4 mph SSW 30in
      8:00 am
      Few Showers
      		 46°F 44°F 30% 0in 78% 45°F 99% 4 mph SSW 30.01in
      9:00 am
      Mostly Cloudy
      		 47°F 45°F 24% 0in 75% 46°F 98% 5 mph SSW 30.02in
      10:00 am
      Mostly Cloudy
      		 48°F 46°F 24% 0in 73% 47°F 95% 5 mph SSW 30.03in
      11:00 am
      Showers
      		 50°F 48°F 38% 0.01in 71% 47°F 90% 5 mph SSW 30.03in
      12:00 pm
      Showers
      		 51°F 50°F 37% 0.01in 67% 47°F 84% 5 mph SW 30.03in
      1:00 pm
      Showers
      		 53°F 51°F 37% 0.01in 61% 46°F 78% 5 mph WSW 30.03in
      2:00 pm
      Showers
      		 54°F 53°F 37% 0.01in 57% 45°F 72% 5 mph WSW 30.03in
      3:00 pm
      Showers
      		 55°F 54°F 37% 0.01in 57% 45°F 69% 5 mph W 30.03in
      4:00 pm
      Showers
      		 55°F 55°F 36% 0.01in 56% 45°F 67% 5 mph W 30.04in
      5:00 pm
      Partly Cloudy
      		 55°F 55°F 19% 0in 56% 44°F 66% 5 mph NW 30.04in
      6:00 pm
      Partly Cloudy
      		 55°F 54°F 19% 0in 54% 44°F 68% 5 mph NNW 30.05in
      7:00 pm
      Partly Cloudy
      		 53°F 52°F 19% 0in 52% 45°F 74% 4 mph NW 30.06in
      8:00 pm
      Partly Cloudy
      		 51°F 51°F 19% 0in 49% 45°F 78% 3 mph WNW 30.08in
      9:00 pm
      Partly Cloudy
      		 50°F 50°F 13% 0in 46% 44°F 81% 3 mph WNW 30.09in
      10:00 pm
      Partly Cloudy
      		 49°F 48°F 15% 0in 43% 44°F 84% 3 mph W 30.1in
      11:00 pm
      Partly Cloudy
      		 48°F 48°F 17% 0in 42% 44°F 87% 2 mph WNW 30.1in
      Additional Conditions
      1. Pressure 30.09 in
      2. Visibility 10 miles
      3. Clouds Clear
      4. Dew Point39°F
      5. Humidity 83%
      6. Rainfall 0 in
      7. Snow Depth 0 in
       KHIO Station History
      Almanac for October 12, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 63°F 67°F 82°F 1991
      4. Low 40°F 44°F 31°F 1981
      5. Rain/Snow Depth
      6. Precipitation 0 in - in -
      7. Snow 0 in - in -
      Almanac for October 13, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 65°F 66°F 82°F
      4. Low 39°F 43°F 32°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 7:23 AM 6:30 PM
      3. Civil Twilight 6:53 AM 7:00 PM
      4. Nautical Twilight 6:19 AM 7:34PM
      5. Astronomical Twilight 5:45 AM 8:08 PM
      1. Length of Visible Light 12h 6m
      2. Length of Day 11h 6m
      3. Tomorrow will be 3 minutes 6 seconds shorter
      1. Moon 9:54 AM 7:03 PM
      2. Waxing Crescent4% of the Moon is Illuminated
      Oct 18
      Waxing Half First Qtr
      Oct 25
      Full Moon
      Nov 1
      Waning Half Last Qtr
      Nov 8
      New Moon
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