Algonac, Michigan — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery for Algonac, St. Clair County.
Full aviation weather for Algonac is published on the Robertson Field (KD99) page, 23 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. 6 airfields within reach of Algonac 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 Algonac: Selfridge Air National Guard Base Airport (KMTC) 25 km · St Clair County International Airport (KPHN) 32 km · Coleman A. Young Municipal Airport (KDET) 46 km · Oakland Troy Airport (KVLL) 54 km · Yale Airport (KD20) 59 km
Conditions reported at KD99 describe the airfield itself. Weather 23 km away can differ, particularly in terrain or near the coast. For conditions at Algonac specifically, see the current conditions and forecast above.
Algonac, Michigan, sits at the mouth of the St. Clair River, a place where the vastness of Lake Huron begins to exhale its waters. It lies 14.7 miles east-south-east of Chesterfield Township, MI (from Chesterfield Township, MI: bearing 111°T), and is situated 1.8 miles east of Clay. The land here is flat, edged by the restless shimmer of the river and the broader expanse of the lake, and the air carries the constant, subtle scent of fresh water and the distant hum of boat engines. It is a landscape shaped by the persistent caress of wind and wave, where weathered docks jut out like patient fingers into the currents, and the sky often stretches in an unbroken, luminous arc, particularly in the quiet glow of late afternoon. The houses, many painted in cheerful, sun-bleached hues, seem to lean into the breeze, their gardens often bursting with hardy blooms that thrive in this maritime embrace. The roots of Algonac run deep into the rich soil of maritime tradition and industry, particularly its storied past as a hub for boat building. For generations, the skilled hands of its residents have shaped wood and metal into vessels that have plied these Great Lakes waters, a legacy that still echoes in the boatyards and marinas that dot the shoreline. The St. Clair River, a vital artery connecting these inland seas, has always been the lifeblood of Algonac, fostering a local economy that thrives on recreation, fishing, and the constant flow of commerce. Life here moves with a rhythm dictated by the seasons and the water, a steady cadence punctuated by the calls of gulls and the cheerful greetings exchanged between neighbors who understand the unique charm of a life lived at the edge of the freshwater ocean.
Live animated radar for Algonac 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 | Algonac, St. Clair County, Michigan |
| Coordinates | 42.618368°N, 82.531018°W |
| Timezone | Eastern Time (America/Detroit) |
| ZIP Code(s) | 48001 |
| Area Code | 313 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
This page provides live weather conditions and forecasts for Algonac, Michigan, 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 Algonac includes coordinates 42.618368°N, 82.531018°W, situated in St. Clair County. ZIP code 48001. Telephone area code: 313. Timezone: Eastern Time (America/Detroit).
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.