United States

Temperature trends in Washington

6 weather stations · coverage 1894–2025

Washington · north-america · population ~0MGoogle Maps · Terms

Primary weather station near Washington with the most complete temperature record

WASHINGTON

Station record

Station id
USC00138688
Source
NOAA
Record
1894–2025
Years
113
Warmest year
1987 (12.6°C)
Coldest year
2014 (8.08°C)
Trend since 1980
-0.27°C / decade

WASHINGTON

18942025 · Washington, United States

First 10 years (1894–1913): 9.89 °C · Last 10 years (2010–2025): 10.10 °C · Gap: +0.20 °C

Annual mean temperatures — NOAA source.

Overview of Washington's Climate

Washington has been experiencing notable changes in its climate from 1894 to 2025. The data reflects a warming trend over this period, with multiple weather stations across the region providing insights into these changes.

The mean temperature in Washington during the first ten years (1894–1913) was 9.89°C, while the last ten years (2010–2025) saw a slight increase to 10.1°C, indicating a warming of 0.2°C over this period. Furthermore, comparing the baseline period 1890–1900 with the years 2015–2024, there has been a significant increase of 0.88°C.

Climate Data Summary

Observation Period
1894–2025
Population
12,076
Record Warmest Year
1987 at 12.57°C
Record Coldest Year
2014 at 8.08°C

Context of Climate Changes

Washington's climate is influenced by various factors, including urbanization and broader climatic shifts. The city's average temperature is notably lower than the national benchmark mean of 15.02°C for cities in the top 500.

Impacts of Warming

The rising temperatures can lead to increased risks of heat waves and droughts, impacting both the environment and the residents of Washington.

Temperature Records

YearTemperature (°C)
198712.57
193112.49
199812.33
192112.17
193411.77

Frequently asked questions

Which weather station is used for Washington?
Statistics on this page come from the WASHINGTON station, id USC00138688, NOAA source.
How long is the temperature record in Washington?
The record runs from 1894 to 2025 (113 years with data).
How much has Washington warmed?
The annual mean changed by +0.20°C from 1894–1913 to 2010–2025 (first 10 vs last 10 years of the series).
What was the warmest year on record in Washington?
The warmest year in this series is 1987 (annual mean 12.6°C).
What is the decade trend since 1980 in Washington?
The linear trend since 1980 is -0.27°C per decade.

Downloads — primary station

Station: WASHINGTON (NOAA USC00138688).

Fossil CO₂ emissions (ODIAC) in the grid cell for Washington

1° gridded estimate (fossil carbon surface flux integrated over the calendar year, 2000–2023) for the grid cell that contains the city: the plotted value is a surface emission intensity (gC/m²/yr), comparable across regions, not local air CO₂ concentration (wind and mixing are not represented here).

CO₂ page (ODIAC map, Keeling…)

ODIAC 1°×1° grid cell (centre ≈ 38.5°, -87.5°).

All other weather stations near Washington

Here are the 5 other stations linked to this page near Washington, with data that typically span 1898–2025, depending on the site.