Oregon Climate Data
NOAA 30-year climate normals for all 36 counties.
NOAA NCEI 1991-2020 Climate NormalsState Avg Temp
50.5°F
Hottest County
Multnomah County
54.4°F avg
Coldest County
Klamath County
43.8°F avg
Wettest County
Clatsop County
89.4" precip
All Oregon Counties
Baker County
49.4°F avg
Benton County
51.6°F avg
Clackamas County
51.3°F avg
Clatsop County
51.6°F avg
Columbia County
51.2°F avg
Coos County
53.0°F avg
Crook County
48.3°F avg
Curry County
54.1°F avg
Deschutes County
46.0°F avg
Douglas County
53.6°F avg
Gilliam County
51.7°F avg
Grant County
47.7°F avg
Harney County
46.4°F avg
Hood River County
49.5°F avg
Jackson County
52.1°F avg
Jefferson County
48.5°F avg
Josephine County
53.1°F avg
Klamath County
43.8°F avg
Lake County
46.6°F avg
Lane County
52.6°F avg
Lincoln County
51.2°F avg
Linn County
49.5°F avg
Malheur County
50.3°F avg
Marion County
52.7°F avg
Morrow County
52.8°F avg
Multnomah County
54.4°F avg
Polk County
50.1°F avg
Sherman County
49.2°F avg
Tillamook County
51.3°F avg
Umatilla County
51.9°F avg
Union County
48.8°F avg
Wallowa County
45.7°F avg
Wasco County
52.0°F avg
Washington County
53.5°F avg
Wheeler County
48.0°F avg
Yamhill County
53.2°F avg
Data sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.