10-Day Weather Forecast for Southwest Harbor (ME)

Six-hourly outlook through Tuesday 28 July. Updated every three hours via MET Norway.

Day
Night
02:00
Morning
08:00
Afternoon
14:00
Evening
20:00
Sunday
19 Jul
Mostly clear
20°C (68°F)
0 mm (0 in)
Hourly ›
Monday
20 Jul
Mostly clear
16°C (61°F)
0 mm (0 in)
Clear skies
17°C (63°F)
0 mm (0 in)
Mostly sunny
20°C (68°F)
0 mm (0 in)
Partly cloudy
17°C (63°F)
0 mm (0 in)
Hourly ›
Tuesday
21 Jul
Partly cloudy
16°C (61°F)
0 mm (0 in)
Partly cloudy
17°C (63°F)
0 mm (0 in)
Cloudy
19°C (66°F)
0.1 mm (0 in)
Heavy rain
16°C (61°F)
16 mm (0.6 in)
Hourly ›
Wednesday
22 Jul
Rain
17°C (63°F)
3 mm (0.1 in)
Heavy rain
17°C (63°F)
9.9 mm (0.4 in)
Rain
18°C (64°F)
1.8 mm (0.1 in)
Cloudy
17°C (63°F)
0.3 mm (0.01 in)
Hourly ›
Thursday
23 Jul
Cloudy
17°C (63°F)
0 mm (0 in)
Clear skies
17°C (63°F)
0 mm (0 in)
Clear skies
21°C (70°F)
0 mm (0 in)
Clear skies
16°C (61°F)
0 mm (0 in)
Hourly ›
Friday
24 Jul
Clear skies
14°C (57°F)
0 mm (0 in)
Clear skies
18°C (64°F)
0 mm (0 in)
Mostly sunny
20°C (68°F)
0 mm (0 in)
Clear skies
17°C (63°F)
0 mm (0 in)
Hourly ›
Saturday
25 Jul
Clear skies
16°C (61°F)
0 mm (0 in)
Clear skies
18°C (64°F)
0 mm (0 in)
Partly cloudy
19°C (66°F)
0 mm (0 in)
Clear skies
17°C (63°F)
0 mm (0 in)
Hourly ›
Sunday
26 Jul
Clear skies
17°C (63°F)
0 mm (0 in)
Clear skies
19°C (66°F)
0.1 mm (0 in)
Clear skies
21°C (70°F)
0 mm (0 in)
Clear skies
17°C (63°F)
0 mm (0 in)
Hourly ›
Monday
27 Jul
Clear skies
16°C (61°F)
0 mm (0 in)
Cloudy
18°C (64°F)
0 mm (0 in)
Mostly sunny
20°C (68°F)
0 mm (0 in)
Partly cloudy
18°C (64°F)
0.2 mm (0.01 in)
Hourly ›
Tuesday
28 Jul
Cloudy
18°C (64°F)
0 mm (0 in)
Cloudy
19°C (66°F)
0 mm (0 in)
Cloudy
20°C (68°F)
0 mm (0 in)
Hourly ›
Data from MET Norway · Updated every three hours.

What's the weather in Southwest Harbor this week?

Today's weather - Sunday 19 Jul

This evening, the weather in Southwest Harbor will be mostly clear, with temperatures around 20°C (68°F), dropping to 16°C (61°F) overnight.

Tomorrow's weather - Monday 20 Jul

For Monday the forecast for Southwest Harbor is mostly sunny. Temperatures will range from a mild 16°C (61°F) to a pleasant 20°C (68°F).

10-Day Weather Forecast

In the coming 10 days, the weather in Southwest Harbor will vary between 18°C (64°F) and 21°C (70°F). Daytime highs during this period will average around 20°C (68°F), with nighttime lows around 16°C (61°F). These values are a bit cooler than usual for July. The following 10 days will bring plenty of sunshine. Rainfall is expected to be a bit more than usual (compared to typical July conditions). The forecast shows mostly dry conditions. Precipitation is likely on about 2 days (Tue, Wed).

Weather Forecast FAQ for Southwest Harbor

When will be the warmest day next week?

The warmest day is expected to be Thursday with a high of 21°C (70°F).

When will be the coldest day?

The coldest day is forecasted for Friday with a low of 14°C (57°F).

Will it rain next week in Southwest Harbor?

Yes, rain is expected on 2 days , specifically on Tue, Wed.

How much rainfall is expected next week?

A total of 31 mm (1.2 in) of rain is forecasted for the 10-day period.

What will be the temperature range next week?

Temperatures will range from 14°C (57°F) to 21°C (70°F).

More about Southwest Harbor

Explore the full Southwest Harbor climate overview with monthly averages, or check rainfall data and temperature by month.

Southwest Harbor weather by month

Browse monthly averages for Southwest Harbor: climate by month with temperature, rainfall and sunshine.

Travel inspiration

Need travel inspiration? Check out our bucket list articles and be inspired.