Mattawa, Washington Weather
Mattawa, Washington — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, tide predictions, marine conditions and a solunar fishing forecast for Mattawa, Grant County.
Tides, marine forecast and fishing conditions near Mattawa. Tide source:
Full aviation weather for Mattawa is published on the Sunnyside Municipal Airport (K1S5) page, 46 km away. It carries the current METAR decoded into plain language — surface wind, visibility, cloud layers and ceiling, temperature and dewpoint, and altimeter setting — alongside the raw observation as transmitted. 4 airfields within reach of Mattawa have their own pages, listed below.
The Terminal Aerodrome Forecast (TAF) is shown across its full validity period, with each change group broken out so you can see when conditions are expected to shift. Flight category is derived automatically — VFR, MVFR, IFR or LIFR — from reported ceiling and visibility, with runway details and field elevation alongside. Observations update roughly hourly and forecasts several times a day.
Other airports near Mattawa: Yakima Air Terminal McAllister Field (KYKM) 52 km · Bowers Field (KELN) 58 km · Prosser Airport (KS40) 59 km
Conditions reported at K1S5 describe the airfield itself. Weather 46 km away can differ, particularly in terrain or near the coast. For conditions at Mattawa specifically, see the current conditions and forecast above.
About Mattawa, Washington
Mattawa rests where the sagebrush country begins to truly unfurl, a place where the sun’s dominion feels absolute. It lies 22.5 miles west-north-west of Pierce, WA (from Pierce, WA: bearing 289°T), and is situated 4.1 miles north of Desert Aire. The land rolls, not with the soft swell of distant hills, but with the starker, more deliberate contours of ancient riverbeds and wind-scoured plains, all under a sky that stretches with an almost aching immensity. Dry grasses, the colour of old parchment, whisper secrets to the persistent breeze that sweeps across the high desert, carrying the faint, earthy scent of sun-baked earth and distant, irrigated fields. The light here possesses a particular clarity, especially as the day wanes, turning the tawny landscape into a canvas of muted golds and deepening shadows, a silent, grand theatre for the closing act of daylight. Even in the stillness, there is a subtle energy, a resilience in the sparse vegetation that clings to the arid soil, hinting at life's tenacious hold. The history of Mattawa is deeply entwined with the mighty Columbia River, a lifeblood that carved this land and continues to sustain its present. For generations, this waterway served as a vital artery, first for native peoples, and later for settlers drawn to the promise of fertile land made possible by ambitious irrigation projects. Today, the economy of Mattawa thrives on this agricultural bounty, a testament to human ingenuity transforming the desert into a productive landscape. Rows of vibrant crops, a striking emerald against the ochre earth, stretch towards the horizon, a modern echo of the region’s enduring connection to water and soil. The steady hum of agricultural machinery is the town’s diurnal rhythm, a constant reminder of the hard work and dedication that nourishes this corner of Grant County, a place that has learned to bloom where it was once thought only the hardy could survive.
Live animated radar for Mattawa and surroundings — RainViewer.
NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.
Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload
| Location | Mattawa, Grant County, Washington |
| Coordinates | 46.73791°N, 119.902823°W |
| Timezone | Pacific Time (America/Los_Angeles) |
| ZIP Code(s) | 99349 |
| Area Code | 509 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Mattawa, Washington Weather Page
This page provides live weather conditions and forecasts for Mattawa, Washington, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, precipitation radar and NOAA GOES-16 satellite imagery. Aviation weather — live METAR observations and TAF forecasts — is published separately on the pages for the nearest reporting airports, linked from the aviation section above. 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 Mattawa includes coordinates 46.737910°N, 119.902823°W, situated in Grant County. ZIP code 99349. Telephone area code: 509. Timezone: Pacific Time (America/Los_Angeles).
Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. 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.
