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Bethany CDP, Oregon

Official LSAD Designation: Bethany CDP • Census GEOID: 4105950 • Washington County

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for Bethany CDP.

Reference Weather Station: NATURE PARK-BEAVERTON, OR US (ID: USC00355945) • Located 4.4 miles from community center • Elevation: 56.4 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 49.7° 40.4° 45.1° 5.51"
February 54.3° 40.2° 47.2° 4.29"
March 57.9° 41.9° 49.9° 4.06"
April 63.0° 44.7° 53.8° 3.02"
May 69.8° 49.6° 59.7° 2.16"
June 73.3° 53.2° 63.2° 1.70"
July 80.7° 56.5° 68.6° 0.54"
August 81.9° 56.9° 69.4° 0.46"
September 75.9° 52.5° 64.2° 1.41"
October 64.8° 47.2° 56.0° 3.88"
November 54.7° 42.7° 48.7° 5.88"
December 48.6° 39.6° 44.1° 6.25"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station NATURE PARK-BEAVERTON, OR US (ID: USC00355945) • 4.4 miles from community center .

This is the same reference station used for monthly normals.

Annual mean Annual mean of daily highs Annual mean of daily lows
Annual temperature history at NATURE PARK-BEAVERTON, OR US Year is the horizontal axis. Annual mean temperature in degrees Fahrenheit is the vertical axis. Dots show recorded years; lines connect consecutive available years only. Missing years are gaps, with no interpolation. Optional dashed lines show annual mean of daily highs and lows. Exact values appear in the data table below. 44.0 50.5 57.0 63.5 70.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 55.7°F 2012: Annual mean 55.5°F 2013: Annual mean 55.0°F 2014: Annual mean 56.8°F 2015: Annual mean 57.6°F 2016: Annual mean 56.8°F 2021: Annual mean 56.9°F 2022: Annual mean 56.4°F 2023: Annual mean 56.4°F 2024: Annual mean 56.4°F 2010: Annual mean of daily highs 63.7°F 2012: Annual mean of daily highs 63.9°F 2013: Annual mean of daily highs 63.8°F 2014: Annual mean of daily highs 65.5°F 2015: Annual mean of daily highs 67.3°F 2016: Annual mean of daily highs 65.4°F 2021: Annual mean of daily highs 66.1°F 2022: Annual mean of daily highs 65.5°F 2023: Annual mean of daily highs 65.6°F 2024: Annual mean of daily highs 65.6°F 2010: Annual mean of daily lows 47.6°F 2012: Annual mean of daily lows 47.2°F 2013: Annual mean of daily lows 46.2°F 2014: Annual mean of daily lows 48.0°F 2015: Annual mean of daily lows 47.8°F 2016: Annual mean of daily lows 48.2°F 2021: Annual mean of daily lows 47.8°F 2022: Annual mean of daily lows 47.3°F 2023: Annual mean of daily lows 47.2°F 2024: Annual mean of daily lows 47.3°F

Source: NOAA NCEI Global Summary of the Year.

Annual temperature data table (°F)
Annual station temperatures, 2010–2025. Unavailable means no reported value.
Year Annual mean (°F) Annual mean of daily highs (°F) Annual mean of daily lows (°F)
2010 55.7 63.7 47.6
2011 Unavailable Unavailable Unavailable
2012 55.5 63.9 47.2
2013 55.0 63.8 46.2
2014 56.8 65.5 48.0
2015 57.6 67.3 47.8
2016 56.8 65.4 48.2
2017 Unavailable Unavailable Unavailable
2018 Unavailable Unavailable Unavailable
2019 Unavailable Unavailable Unavailable
2020 Unavailable Unavailable Unavailable
2021 56.9 66.1 47.8
2022 56.4 65.5 47.3
2023 56.4 65.6 47.2
2024 56.4 65.6 47.3
2025 Unavailable Unavailable Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.