South Portland, Maine Weather
South Portland, Maine — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, tide predictions, marine conditions and a solunar fishing forecast for South Portland, Cumberland County.
Tides, marine forecast and fishing conditions near South Portland. Tide source:
Full aviation weather for South Portland is published on the Portland International Jetport (KPWM) page, 6 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 South Portland 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 South Portland: Biddeford Municipal Airport (KB19) 27 km · Brunswick Executive Airport (KBXM) 37 km · Limington Harmon Airport (K63B) 37 km · Auburn Lewiston Municipal Airport (KLEW) 45 km · Sanford Seacoast Regional Airport (KSFM) 47 km
Conditions reported at KPWM describe the airfield itself. Weather 6 km away can differ, particularly in terrain or near the coast. For conditions at South Portland specifically, see the current conditions and forecast above.
About South Portland, Maine
South Portland unfolds along the broad, deep waters of Casco Bay, a place where the salty air, carrying the ghost of pine and brine, perpetually kisses the weathered shingles and sturdy brick of its waterfront. It lies 1.6 miles south-south-east of Portland, ME (from Portland, ME: bearing 152°T), and is situated 7.0 miles east-south-east of Westbrook. The land here, a pleasingly uneven terrain, slopes gently towards the sea, its contours shaped by ancient glaciers and the ceaseless ebb and flow of tides. Along its shoreline, the rugged beauty of Maine’s coast asserts itself, with rocky outcrops giving way to stretches of sandy beach, where the relentless surf whispers secrets to the shore. The light, particularly in the late afternoon, possesses a certain ethereal quality, painting the sky in hues of apricot and rose, a soft benediction upon the working harbor and the quiet residential streets that climb away from the water’s edge. This is a place with a rich maritime heritage, its very soul intertwined with the sea. For generations, the bounty of these waters—cod, lobster, and other treasures of the deep—has fueled its economy, with fishing fleets departing before dawn and returning with their hauls to bustling wharves. The legacy of shipbuilding, too, echoes in the sturdy construction of its older homes and the lingering scent of treated lumber that occasionally drifts on the breeze. More recently, South Portland has become a hub for industry and commerce, its strategic location on the bay supporting a vibrant mix of businesses, from light manufacturing to innovative technology firms. Beyond the working waterfront, pockets of verdant parkland offer respite, a reminder of the natural beauty that underpins the human endeavor, a quiet counterpoint to the energetic pulse of this coastal community.
Live animated radar for South Portland 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 | South Portland, Cumberland County, Maine |
| Coordinates | 43.641472°N, 70.240881°W |
| Timezone | Eastern Time (America/New_York) |
| ZIP Code(s) | 04106, 04116 |
| Area Code | 207 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This South Portland, Maine Weather Page
This page provides live weather conditions and forecasts for South Portland, Maine, 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 South Portland includes coordinates 43.641472°N, 70.240881°W, situated in Cumberland County. ZIP code 04106, 04116. Telephone area code: 207. Timezone: Eastern Time (America/New_York).
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.
