Southport, Maine 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 64°F 18°C	Observed at: Southport, ME	Elevation: 669 ft | 204 m
	Last Updated: July 27, 8:15 PM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 64°F | 18°C
	Pressure: 29.69 in | 1005.5 mb	Dewpoint: 54°F | 12°C
	Humidity: 68%	Wind: S 3 mph | S 5 kph
	Feels Like: 64°F | 18°C	Visibility: 48.1 mi | 77.4 km
	Lat/Long: 43.83 | -69.65	Sunrise: 5:22 AM   Sunset: 8:07 PM

7 Day Graphical Forecast

Valid: 6:49 AM 7/29/2026

Tonight Partly Cloudy 51 °F 0% Chance Precipitation Tuesday Foggy 68 |57 °F 2% Chance Precipitation Wednesday Showers 64 |59 °F 78% Chance Precipitation Thursday Showers 62 |60 °F 79% Chance Precipitation Friday Light Drizzle 72 |60 °F 32% Chance Precipitation Saturday Mostly Clear 70 |59 °F 11% Chance Precipitation Sunday Overcast 72 |62 °F 15% Chance Precipitation

7 Hour Graphical Forecast

Valid: 6:49 AM 7/29/2026

6 AM Foggy 59 °F 1% Chance Precipitation

7 AM Foggy 59 °F 2% Chance Precipitation

8 AM Foggy 60 °F 17% Chance Precipitation

9 AM Foggy 61 °F 40% Chance Precipitation

10 AM Foggy 60 °F 40% Chance Precipitation

11 AM Foggy 60 °F 40% Chance Precipitation

12 PM Overcast 62 °F 40% Chance Precipitation

7 Day Textual Forecast - with QPF, Max Wind, Humidity, Snowfall & UV Index

7 Day & Night Weather Forecast for Southport, ME - (Fahrenheit & Celsius) Valid: 6:49 AM 7/29/2026 Tonight Partly Cloudy with a low around 51°F [10°C]. S wind to around 7 mph [11 kph], with gusts to near 11 mph [18 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Tuesday Foggy with a high near 68°F [20°C]. ESE wind to around 10 mph [16 kph], with gusts to near 24 mph [39 kph]. Dewpoint near 54°F [12°C] with humidity of 100%. Pressure around 29.69 in [1005.5 mb]. UV Index: 6.8. Chance of precipitation 2% with QPF of 0.00 in [0.0 mm]. Tuesday Night Foggy with a low around 57°F [14°C]. ESE wind to around 10 mph [16 kph], with gusts to near 24 mph [39 kph]. Chance of precipitation 2% with QPF of 0.00 in [0.0 mm]. Wednesday Showers with a high near 64°F [18°C]. E wind to around 15 mph [23 kph], with gusts to near 32 mph [52 kph]. Dewpoint near 54°F [12°C] with humidity of 100%. Pressure around 29.69 in [1005.5 mb]. UV Index: 1.05. Chance of precipitation 78% with QPF of 0.65 in [16.6 mm]. Wednesday Night Showers with a low around 59°F [15°C]. E wind to around 15 mph [23 kph], with gusts to near 32 mph [52 kph]. Chance of precipitation 78% with QPF of 0.65 in [16.6 mm]. Thursday Showers with a high near 62°F [17°C]. ENE wind to around 17 mph [27 kph], with gusts to near 24 mph [39 kph]. Dewpoint near 54°F [12°C] with humidity of 99%. Pressure around 29.69 in [1005.5 mb]. UV Index: 0.85. Chance of precipitation 79% with QPF of 1.17 in [29.6 mm]. Thursday Night Showers with a low around 60°F [16°C]. ENE wind to around 17 mph [27 kph], with gusts to near 24 mph [39 kph]. Chance of precipitation 79% with QPF of 1.17 in [29.6 mm]. Friday Light Drizzle with a high near 72°F [22°C]. ENE wind to around 11 mph [18 kph], with gusts to near 20 mph [31 kph]. Dewpoint near 54°F [12°C] with humidity of 98%. Pressure around 29.69 in [1005.5 mb]. UV Index: 7.2. Chance of precipitation 32% with QPF of 0.04 in [1.0 mm]. Friday Night Light Drizzle with a low around 60°F [15°C]. ENE wind to around 11 mph [18 kph], with gusts to near 20 mph [31 kph]. Chance of precipitation 32% with QPF of 0.04 in [1.0 mm]. Saturday Mostly Clear with a high near 70°F [21°C]. SE wind to around 8 mph [14 kph], with gusts to near 7 mph [12 kph]. Dewpoint near 54°F [12°C] with humidity of 96%. Pressure around 29.69 in [1005.5 mb]. UV Index: 7.25. Chance of precipitation 11% with QPF of 0.00 in [0.0 mm]. Saturday Night Mostly Clear with a low around 59°F [15°C]. SE wind to around 8 mph [14 kph], with gusts to near 7 mph [12 kph]. Chance of precipitation 11% with QPF of 0.00 in [0.0 mm]. Sunday Overcast with a high near 72°F [22°C]. S wind to around 9 mph [14 kph], with gusts to near 20 mph [31 kph]. Dewpoint near 54°F [12°C] with humidity of 95%. Pressure around 29.69 in [1005.5 mb]. UV Index: 6.65. Chance of precipitation 15% with QPF of 0.00 in [0.0 mm]. Sunday Night Overcast with a low around 62°F [17°C]. S wind to around 9 mph [14 kph], with gusts to near 20 mph [31 kph]. Chance of precipitation 15% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Southport, ME

Tonight: 0.0 mm | 0.00 in

Tuesday: 0.0 mm | 0.00 in

Tuesday Night: 0.0 mm | 0.00 in

Wednesday: 16.6 mm | 0.65 in

Wednesday Night: 16.6 mm | 0.65 in

Thursday: 29.6 mm | 1.17 in

Thursday Night: 29.6 mm | 1.17 in

Friday: 1.0 mm | 0.04 in

Friday Night: 1.0 mm | 0.04 in

Saturday: 0.0 mm | 0.00 in

Saturday Night: 0.0 mm | 0.00 in

Sunday: 0.0 mm | 0.00 in

Sunday Night: 0.0 mm | 0.00 in

7 Day and Night - Maximum Wind Speed Forecast for Southport, ME

Tonight: S @ 11 kph | 7 mph

Tuesday: ESE @ 16 kph | 10 mph

Tuesday Night: ESE @ 16 kph | 10 mph

Wednesday: E @ 23 kph | 15 mph

Wednesday Night: E @ 23 kph | 15 mph

Thursday: ENE @ 27 kph | 17 mph

Thursday Night: ENE @ 27 kph | 17 mph

Friday: ENE @ 18 kph | 11 mph

Friday Night: ENE @ 18 kph | 11 mph

Saturday: SE @ 14 kph | 8 mph

Saturday Night: SE @ 14 kph | 8 mph

Sunday: S @ 14 kph | 9 mph

Sunday Night: S @ 14 kph | 9 mph

7 Day and Night - Maximum Humidity Forecast for Southport, ME

Tonight: 87 %

Tuesday: 100 %

Tuesday Night: 100 %

Wednesday: 100 %

Wednesday Night: 100 %

Thursday: 99 %

Thursday Night: 99 %

Friday: 98 %

Friday Night: 98 %

Saturday: 96 %

Saturday Night: 96 %

Sunday: 95 %

Sunday Night: 95 %

7 Day and Night - Snowfall Totals Forecast for Southport, ME

Tonight: 0.0 cm | 0.00 in

Tuesday: 0.0 cm | 0.00 in

Tuesday Night: 0.0 cm | 0.00 in

Wednesday: 0.0 cm | 0.00 in

Wednesday Night: 0.0 cm | 0.00 in

Thursday: 0.0 cm | 0.00 in

Thursday Night: 0.0 cm | 0.00 in

Friday: 0.0 cm | 0.00 in

Friday Night: 0.0 cm | 0.00 in

Saturday: 0.0 cm | 0.00 in

Saturday Night: 0.0 cm | 0.00 in

Sunday: 0.0 cm | 0.00 in

Sunday Night: 0.0 cm | 0.00 in

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