Skip to main content

Dilley CDP, Oregon

Official LSAD Designation: Dilley CDP • Census GEOID: 4119650 • Washington County

Climate Normals & Weather Observations

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

Reference Weather Station: FOREST GROVE, OR US (ID: USC00352997) • Located 2.5 miles from community center • Elevation: 54.9 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 45.0° 32.6° 38.8° 7.19"
February 49.4° 33.1° 41.2° 5.76"
March 54.6° 35.9° 45.2° 5.03"
April 60.1° 39.2° 49.6° 3.33"
May 68.1° 45.3° 56.7° 2.19"
June 73.1° 49.7° 61.4° 1.40"
July 81.4° 53.8° 67.6° 0.32"
August 82.2° 53.5° 67.9° 0.51"
September 76.1° 48.7° 62.4° 1.34"
October 63.3° 41.6° 52.4° 3.70"
November 50.9° 36.3° 43.6° 7.23"
December 44.0° 32.8° 38.4° 8.72"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station FOREST GROVE, OR US (ID: USC00352997) • 2.5 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 FOREST GROVE, 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. 39.0 46.3 53.5 60.8 68.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 52.8°F 2011: Annual mean 50.7°F 2014: Annual mean 54.0°F 2015: Annual mean 55.1°F 2016: Annual mean 53.7°F 2017: Annual mean 52.2°F 2018: Annual mean 53.1°F 2019: Annual mean 51.7°F 2021: Annual mean 53.0°F 2022: Annual mean 52.5°F 2024: Annual mean 54.2°F 2025: Annual mean 54.4°F 2010: Annual mean of daily highs 61.9°F 2011: Annual mean of daily highs 59.7°F 2014: Annual mean of daily highs 63.9°F 2015: Annual mean of daily highs 65.5°F 2016: Annual mean of daily highs 62.7°F 2017: Annual mean of daily highs 62.4°F 2018: Annual mean of daily highs 63.8°F 2019: Annual mean of daily highs 61.8°F 2021: Annual mean of daily highs 63.4°F 2022: Annual mean of daily highs 63.0°F 2024: Annual mean of daily highs 63.3°F 2025: Annual mean of daily highs 64.4°F 2010: Annual mean of daily lows 43.6°F 2011: Annual mean of daily lows 41.7°F 2014: Annual mean of daily lows 44.2°F 2015: Annual mean of daily lows 44.6°F 2016: Annual mean of daily lows 44.7°F 2017: Annual mean of daily lows 41.9°F 2018: Annual mean of daily lows 42.4°F 2019: Annual mean of daily lows 41.6°F 2021: Annual mean of daily lows 42.5°F 2022: Annual mean of daily lows 41.9°F 2024: Annual mean of daily lows 45.0°F 2025: Annual mean of daily lows 44.5°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 52.8 61.9 43.6
2011 50.7 59.7 41.7
2012 Unavailable Unavailable Unavailable
2013 Unavailable Unavailable Unavailable
2014 54.0 63.9 44.2
2015 55.1 65.5 44.6
2016 53.7 62.7 44.7
2017 52.2 62.4 41.9
2018 53.1 63.8 42.4
2019 51.7 61.8 41.6
2020 Unavailable Unavailable Unavailable
2021 53.0 63.4 42.5
2022 52.5 63.0 41.9
2023 Unavailable Unavailable Unavailable
2024 54.2 63.3 45.0
2025 54.4 64.4 44.5
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.