Mermentau, Louisiana Weather
Mermentau, Louisiana — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, tide predictions, marine conditions and a solunar fishing forecast, soil and crop conditions for Mermentau, Acadia Parish.
Tides, marine forecast and fishing conditions near Mermentau. Tide source:
Full aviation weather for Mermentau is published on the Le Gros Memorial Airport (K3R2) page, 10 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. 5 airfields within reach of Mermentau 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 Mermentau: Jennings Airport (K3R7) 10 km · Abbeville Chris Crusta Memorial Airport (KIYA) 54 km · Chennault International Airport (KCWF) 54 km · Lafayette Regional Airport (KLFT) 57 km
Conditions reported at K3R2 describe the airfield itself. Weather 10 km away can differ, particularly in terrain or near the coast. For conditions at Mermentau specifically, see the current conditions and forecast above.
Soil conditions, frost risk and crop weather for Mermentau.
About Mermentau, Louisiana
Mermentau lies in a land where the air hangs thick and humid, a palpable presence that clings to everything like Spanish moss. It lies 33.7 miles west of Lafayette, LA (from Lafayette, LA: bearing 266°T), and is situated 5.0 miles east-south-east of Jennings. The landscape here is a study in gentle, insistent flatness, broken only by the slow, meandering curves of bayous and the occasional rise of a levee. Cypress trees, their knees like gnarled knuckles breaking the dark water, stand sentinel along the waterways, their beards of moss catching the diffused sunlight. The sky above Mermentau is vast, an endless canvas where clouds drift with a languid grace, and at dusk, it bleeds into hues of bruised plum and soft lavender, a daily spectacle that never fails to hold a quiet magic. The land itself, rich and dark, promises fertility, a generous earth that yields its bounty to those who understand its rhythms. The history of Mermentau is deeply intertwined with the waters that surround it, channels that once served as arteries for trade and settlement for the Acadian people who first found refuge here. These same waterways continue to shape the local economy, with fishing and agriculture forming the backbone of life in Mermentau. Rice fields, shimmering like emerald mirrors under the sun, stretch towards the horizon, a testament to generations of cultivation. The scent of drying rice, a dry, sweet perfume, often drifts on the breeze, mingling with the more pungent aroma of the brackish marshlands. While modern conveniences have arrived, a distinct character persists in Mermentau, a sense of unhurried living where the pace is set by the sun and the tides rather than the ticking of a clock. The local traditions, passed down through families, add a unique flavor to the community, a quiet pride in their heritage and their enduring connection to this watery, fertile corner of Louisiana.
Live animated radar for Mermentau 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 | Mermentau, Acadia Parish, Louisiana |
| Coordinates | 30.189928°N, 92.582638°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 70556 |
| Area Code | 985 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Mermentau, Louisiana Weather Page
This page provides live weather conditions and forecasts for Mermentau, Louisiana, 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 Mermentau includes coordinates 30.189928°N, 92.582638°W, situated in Acadia Parish. ZIP code 70556. Telephone area code: 985. Timezone: Central Time (America/Chicago).
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.
