Enter your search query in the box below.

Cosmopolis, Washington Weather

Cosmopolis, Washington — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, tide predictions, marine conditions and a solunar fishing forecast for Cosmopolis, Grays Harbor County.

🌡️ Current Conditions
Loading current conditions…
24-Hour Forecast
Loading hourly forecast…
Current Conditions Detail
Loading detail…
7-Day Forecast
Loading 7-day forecast…
🌊 Marine & Fishing

Tides, marine forecast and fishing conditions near Cosmopolis. Tide source:

Loading fishing conditions…
Loading tide data…
Loading tide chart…
🎣 Best times to fish today (solunar)
Loading solunar times…
Loading marine conditions…
✈️ Aviation Weather

Flight conditions near Cosmopolis. Data source: locating…

Loading aviation data…
🌿 Air Quality
Loading air quality data…

About Cosmopolis, Washington

Cosmopolis rests against the low, rolling hills that spill into the Grays Harbor estuary, a place where the scent of damp earth and pine needles often mingles with the briny tang of the Pacific. It lies 4.4 miles south-west of Grays Harbor, WA (from Grays Harbor, WA: bearing 231°T), and is situated 2.4 miles south-east of Aberdeen. The landscape here is a study in muted greens and greys; Douglas fir and alder trees stand sentinel, their branches often draped with the soft, mossy beards characteristic of this coastal climate. Sunlight, when it breaks through the frequent cloud cover, possesses a diffused, almost pearlescent quality, illuminating the quiet streets and the weathered facades of buildings that seem to absorb the perpetual humidity. The Chehalis River, a broad, slow-moving artery, snakes its way through the periphery, its waters reflecting the sky like a darkened mirror, hinting at the vast network of waterways that connect this small corner of Washington to the wider world. The story of Cosmopolis is deeply entwined with the timber industry that once fueled its growth, the rhythmic thud of saws and the scent of freshly cut wood a constant presence for generations. Echoes of this past remain in the sturdy, unpretentious architecture and the enduring spirit of resilience that characterizes its residents. While the dominant economic engine has shifted, the legacy of logging is undeniable, shaping the very character of the place and leaving a tangible mark on the surrounding terrain. The proximity to the bustling port of Grays Harbor continues to influence its identity, a subtle hum of commerce that serves as a reminder of its historical role as a gateway for goods and people. Today, Cosmopolis continues to navigate its present, a quiet settlement where the past is never truly out of sight, and the rhythm of life is measured by the tides and the changing seasons.

NWS Extended Forecast
Loading NWS forecast…
📡 Precipitation Radar

Live animated radar for Cosmopolis and surroundings — RainViewer.

Loading radar…
🛰️ Satellite Imagery

NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.

NOAA GOES-16 CONUS GEOCOLOR satellite animated loop
🛰️ GEOCOLOR loop 🌡️ Infrared (IR) 🌀 NHC Hurricane Satellite 🔗 NOAA Full Viewer

Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload

🌙 Astronomy
Calculating…
LocationCosmopolis, Grays Harbor County, Washington
Coordinates46.955372°N, 123.773776°W
TimezonePacific Time (America/Los_Angeles)
ZIP Code(s)98537, 98520
Area Code425
Page generatedJuly 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service

About This Cosmopolis, Washington Weather Page

This page provides live weather conditions and forecasts for Cosmopolis, Washington, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, real-time aviation weather (live METAR and TAF reports from the nearest reporting airport, with a modeled estimate shown when no station is in range), precipitation radar and NOAA GOES-16 satellite imagery. Additional sections may include tide predictions, wave height, wave direction and sea-surface temperature, a barometric pressure trend, and a solunar-based fishing forecast with a fishing-conditions rating for coastal localities, and soil temperature, crop weather and live USGS river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.

Location data for Cosmopolis includes coordinates 46.955372°N, 123.773776°W, situated in Grays Harbor County. ZIP code 98537, 98520. Telephone area code: 425. Timezone: Pacific Time (America/Los_Angeles).

Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. Aviation data is sourced from aviationweather.gov (NOAA), with a modeled estimate used where no nearby reporting station is available. River and stream data is sourced from the USGS National Water Information System. Tide predictions are sourced from NOAA CO-OPS; marine and solunar data are modeled from Open-Meteo and public sunrise/moon calculations and should be treated as a general guide alongside on-the-water conditions. Radar is provided by RainViewer. Satellite imagery is sourced from NOAA/NESDIS GOES-East and is public domain.