Sullivan, Maine 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Overcast 66°F 19°C	Observed at: Sullivan, ME	Elevation: 378 ft | 115 m
	Last Updated: July 29, 8:00 PM Timezone: GMT -5/-4
	Sky Conditions: Overcast	Temperature: 66°F | 19°C
	Pressure: 29.7 in | 1005.6 mb	Dewpoint: 63°F | 17°C
	Humidity: 88%	Wind: E 6 mph | E 10 kph
	Feels Like: 69°F | 21°C	Visibility: 28.7 mi | 46.3 km
	Lat/Long: 44.53 | -68.2	Sunrise: 5:16 AM   Sunset: 8:01 PM

7 Day Graphical Forecast

Valid: 12:20 AM 7/30/2026

Today Foggy 71 |61 °F 22 |16 °C 11% Chance Precipitation Thursday Heavy Drizzle 69 |63 °F 21 |17 °C 32% Chance Precipitation Friday Rain 82 |57 °F 28 |14 °C 25% Chance Precipitation Saturday Overcast 82 |57 °F 28 |14 °C 2% Chance Precipitation Sunday Foggy 77 |60 °F 25 |15 °C 19% Chance Precipitation Monday Light Drizzle 73 |60 °F 23 |16 °C 42% Chance Precipitation Tuesday Overcast 80 |53 °F 27 |12 °C 11% Chance Precipitation

7 Hour Graphical Forecast

Valid: 12:20 AM 7/30/2026

12 AM Overcast 65 °F 13% Chance Precipitation

1 AM Light Drizzle 64 °F 13% Chance Precipitation

2 AM Overcast 64 °F 13% Chance Precipitation

3 AM Overcast 64 °F 13% Chance Precipitation

4 AM Overcast 64 °F 24% Chance Precipitation

5 AM Overcast 63 °F 19% Chance Precipitation

6 AM Partly Cloudy 64 °F 23% Chance Precipitation

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

7 Day & Night Weather Forecast for Sullivan, ME - (Fahrenheit & Celsius) Valid: 12:20 AM 7/30/2026 Today Foggy with a high near 71°F [22°C]. E wind to around 9 mph [15 kph], with gusts to near 16 mph [25 kph]. Dewpoint near 63°F [17°C] with humidity of 97%. Pressure around 29.70 in [1005.6 mb]. UV Index: 6.25. Chance of precipitation 11% with QPF of 0.00 in [0.0 mm]. Tonight Foggy with a low around 61°F [16°C]. E wind to around 9 mph [15 kph], with gusts to near 16 mph [25 kph]. Chance of precipitation 11% with QPF of 0.00 in [0.0 mm]. Thursday Heavy Drizzle with a high near 69°F [21°C]. NE wind to around 11 mph [18 kph], with gusts to near 26 mph [42 kph]. Dewpoint near 63°F [17°C] with humidity of 94%. Pressure around 29.70 in [1005.6 mb]. UV Index: 1.55. Chance of precipitation 32% with QPF of 0.10 in [2.6 mm]. Thursday Night Heavy Drizzle with a low around 63°F [17°C]. NE wind to around 11 mph [18 kph], with gusts to near 26 mph [42 kph]. Chance of precipitation 32% with QPF of 0.10 in [2.6 mm]. Friday Rain with a high near 82°F [28°C]. NE wind to around 9 mph [15 kph], with gusts to near 25 mph [40 kph]. Dewpoint near 63°F [17°C] with humidity of 97%. Pressure around 29.70 in [1005.6 mb]. UV Index: 7.3. Chance of precipitation 25% with QPF of 0.47 in [12.0 mm]. Friday Night Rain with a low around 57°F [14°C]. NE wind to around 9 mph [15 kph], with gusts to near 25 mph [40 kph]. Chance of precipitation 25% with QPF of 0.47 in [12.0 mm]. Saturday Overcast with a high near 82°F [28°C]. S wind to around 10 mph [16 kph], with gusts to near 15 mph [24 kph]. Dewpoint near 63°F [17°C] with humidity of 98%. Pressure around 29.70 in [1005.6 mb]. UV Index: 6.95. Chance of precipitation 2% with QPF of 0.00 in [0.0 mm]. Saturday Night Overcast with a low around 57°F [14°C]. S wind to around 10 mph [16 kph], with gusts to near 15 mph [24 kph]. Chance of precipitation 2% with QPF of 0.00 in [0.0 mm]. Sunday Foggy with a high near 77°F [25°C]. S wind to around 12 mph [19 kph], with gusts to near 24 mph [39 kph]. Dewpoint near 63°F [17°C] with humidity of 100%. Pressure around 29.70 in [1005.6 mb]. UV Index: 6.5. Chance of precipitation 19% with QPF of 0.00 in [0.0 mm]. Sunday Night Foggy with a low around 60°F [15°C]. S wind to around 12 mph [19 kph], with gusts to near 24 mph [39 kph]. Chance of precipitation 19% with QPF of 0.00 in [0.0 mm]. Monday Light Drizzle with a high near 73°F [23°C]. SSW wind to around 14 mph [22 kph], with gusts to near 28 mph [44 kph]. Dewpoint near 63°F [17°C] with humidity of 100%. Pressure around 29.70 in [1005.6 mb]. UV Index: 4. Chance of precipitation 42% with QPF of 0.02 in [0.4 mm]. Monday Night Light Drizzle with a low around 60°F [16°C]. SSW wind to around 14 mph [22 kph], with gusts to near 28 mph [44 kph]. Chance of precipitation 42% with QPF of 0.02 in [0.4 mm]. Tuesday Overcast with a high near 80°F [27°C]. W wind to around 13 mph [21 kph], with gusts to near 28 mph [44 kph]. Dewpoint near 63°F [17°C] with humidity of 96%. Pressure around 29.70 in [1005.6 mb]. UV Index: 5.6. Chance of precipitation 11% with QPF of 0.00 in [0.0 mm]. Tuesday Night Overcast with a low around 53°F [12°C]. W wind to around 13 mph [21 kph], with gusts to near 28 mph [44 kph]. Chance of precipitation 11% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Sullivan, ME

Today: 0.0 mm | 0.00 in

Tonight: 0.0 mm | 0.00 in

Thursday: 2.6 mm | 0.10 in

Thursday Night: 2.6 mm | 0.10 in

Friday: 12.0 mm | 0.47 in

Friday Night: 12.0 mm | 0.47 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

Monday: 0.4 mm | 0.02 in

Monday Night: 0.4 mm | 0.02 in

Tuesday: 0.0 mm | 0.00 in

Tuesday Night: 0.0 mm | 0.00 in

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

Today: E @ 15 kph | 9 mph

Tonight: E @ 15 kph | 9 mph

Thursday: NE @ 18 kph | 11 mph

Thursday Night: NE @ 18 kph | 11 mph

Friday: NE @ 15 kph | 9 mph

Friday Night: NE @ 15 kph | 9 mph

Saturday: S @ 16 kph | 10 mph

Saturday Night: S @ 16 kph | 10 mph

Sunday: S @ 19 kph | 12 mph

Sunday Night: S @ 19 kph | 12 mph

Monday: SSW @ 22 kph | 14 mph

Monday Night: SSW @ 22 kph | 14 mph

Tuesday: W @ 21 kph | 13 mph

Tuesday Night: W @ 21 kph | 13 mph

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

Today: 97 %

Tonight: 97 %

Thursday: 94 %

Thursday Night: 94 %

Friday: 97 %

Friday Night: 97 %

Saturday: 98 %

Saturday Night: 98 %

Sunday: 100 %

Sunday Night: 100 %

Monday: 100 %

Monday Night: 100 %

Tuesday: 96 %

Tuesday Night: 96 %

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

Today: 0.0 cm | 0.00 in

Tonight: 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

Monday: 0.0 cm | 0.00 in

Monday Night: 0.0 cm | 0.00 in

Tuesday: 0.0 cm | 0.00 in

Tuesday Night: 0.0 cm | 0.00 in

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