Washington State Climate Office |

Washington State Climate Office

Reliable climate information for a resilient Washington State

We support communities and decision-makers across the state with training, resources, and research on climate in Washington.

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News and Events

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Nov 9, 2026 | Climate Outlook, November 2026 Newletter

Early November Climate Outlook

Key Messages:

Very strong El Niño conditions continue in the tropical Pacific. The latest seasonal RONI index for August-October was +2.0°C. Some continued strengthening is possible before reaching peak strength sometime in the October-December period.

Nov 9, 2026 | Climate Summary, November 2026 Newletter

October 2026 Climate Summary

Key Messages:

October was drier than normal across much of the state. The higher elevations of the north Cascades as well as the eastern Cascades foothills and adjacent plains received less than 30% of normal precipitation.

Climate Matters

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Oct 6, 2026 | Climate Matters, Drought and Soil Conditions, Guest Author, October 2026 Newsletter, Temperature

Climate Matters: AgWeatherNet for Climate Resilient Washington Agriculture

Washington’s climate is not uniform, and it is becoming increasingly extreme, particularly during agricultural crop production seasons. Declining mountain snowpack, spring frost, extreme summer heat, and wildfires are becoming the norm.

Statewide Conditions

-1.7°F

Temperature

September 2026 Departure from 1991-2020 Normal

134%

Precipitation

September 2026 Percent of 1991-2020 Normal

Washington State Climate Office