Oregon Climate


Oregon’s climate can mostly be classified as mild. Two major geographic features dominate the climate in the state: the Pacific Ocean and the Cascade Range. The mountains of the Cascade Range act as a divide between the western and eastern sides of the state. Statewide, the coldest day of the year tends to be around [...]

Satellite Images


The enhanced infrared images display color-coded temperatures of the earth’s surface or highest atmospheric cloud layer. Higher clouds have progressive lower temperatures. Although high, cold clouds do not necessarily equate with strong storms at the surface, they are often indicative of deep, intense atmospheric systems. Forecasters use infrared images to distinguish the deeper, stronger weather [...]

About Us


The Oregon Climate Service The OCS is located on the Oregon State University campus in Corvallis, Oregon and is the state repository for weather and climate information. We are affiliated with OSU’s College of Earth, Ocean, and Atmospheric Sciences (CEOAS). and the Oregon Climate Change Research Institute (OCCRI). OCS is an American Association of State [...]

Oregon Climate Data

Three Sisters 285

NCDC data are now free of charge for download! Each station on the map below points to the NCDC and WRCC. This is the same historical data that existed on previous versions of the OCS website. The map below shows the location of National Weather Service Cooperative Observer (COOP) stations. This network of volunteer observers [...]

Recent News

July 1, 2015 - Warmest June on record for much of Oregon (Corvallis GT).

June 20, 2015 - El Niño may stymie skiers again (Bend Bulletin).

February 10, 2015 - Pacific Northwest's Winter, Warm and Wet, is Climate Change Preview(Circle of Blue).

January 31, 2015 - This state has record low snowfall this year (TIME).

September 23, 2014 - Fall arrives with rain, cooler temperatures (Albany Democrat-Herald).

September 15, 2014 - OCS's Kathie Dello talks about the hot summer in Eugene (Eugene Register Guard).

February 20, 2014 - OCS's Kathie Dello talks about recent flooding and its effect on drought concerns.

February 17, 2014 - Kathie Dello comments on drought and flooding issues in an OPB Think Out Loud segment.

February 11, 2014 - Central Oregon drought persists; heavy snowfall doesn't break overall dry trend (Bend Bulletin)

January 23, 2014 - Oregon faces a continued dry spell in 2014. OCS' Kathie Dello is a guest on Think out Loud (Oregon Public Broadcasting)

May 14, 2013 - Agencies prepare for an intense Oregon wildfire season (Salem Statesman-Journal)

May 13, 2013 - Drought Monitor: 91% of Oregon abnormally dry (KVAL)

May 8, 2013 - We can expect a higher likelihood of a dry summer this year (KVAL)

May 2, 2013 - Unusually dry April brings spring flowers early (Salem Statesman-Journal)

April 2, 2013 - Lack of rain breaking records in Salem area (Salem Statesman-Journal)

March 20, 2013 - Valley sees record rainfall (Albany Democrat-Herald)

February 18, 2013 - History of Pacific Northwest Heat Waves: Synoptic Pattern and Trends available for early online release from Journal of Applied Meteorology and Climatology. This was a joint study with the Office of the Washington State Climatologist and OCS