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Children per Room

This information enables us to identify the rooms that will best accommodate your party and to prepare for your arrival.

See room terms and details for information about rollaway and/or extra person charges.

Please note that at most Starwood hotels, guests 17 and under are considered children. All other guests are considered adults. You will be told of any hotel-specific differences in this policy on the following page.

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Sheraton Portsmouth Harborside Hotel

  • 250 Market Street
  • Portsmouth,
  • New Hampshire
  • 03801
  • United States
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Children per Room

This information enables us to identify the rooms that will best accommodate your party and to prepare for your arrival.

See room terms and details for information about rollaway and/or extra person charges.

Age Requirement Policy

Guests must be at least 21 years of age to check in. Photo Identification is required at the time of arrival. Reservations will not be honored if guest can not produce proper identification at check in. Any exception requests must be directed to the property and specifically approved by hotel management via Director of Operations or Managing Director.

Sheraton Portsmouth Harborside Hotel
5-Day Local Weather Forecast

SEP 22 SEP 23 SEP 24 SEP 25 SEP 26
Partly Cloudy
Partly Cloudy
Precipitation: 20%
High 69°F / 20°C
Low 46°F / 8°C
Sunny
Sunny
Precipitation: 0%
High 68°F / 20°C
Low 49°F / 9°C
Sunny
Sunny
Precipitation: 0%
High 62°F / 17°C
Low 45°F / 7°C
Partly Cloudy
Partly Cloudy
Precipitation: 0%
High 67°F / 20°C
Low 50°F / 10°C
Sunny
Sunny
Precipitation: 0%
High 71°F / 21°C
Low 56°F / 13°C
average jan feb mar apr may jun jul aug sep oct nov dec
high temp
33.2°F
1.0°C
36.1°F
2.0°C
44.8°F
7.0°C
55.3°F
13.0°C
66.7°F
19.0°C
76.2°F
25.0°C
81.6°F
28.0°C
79.7°F
27.0°C
71.6°F
22.0°C
61.4°F
16.0°C
49.3°F
10.0°C
37.2°F
3.0°C
low temp
13.2°F
-10.0°C
15.3°F
-9.0°C
24.6°F
-4.0°C
33.1°F
1.0°C
42.7°F
6.0°C
51.6°F
11.0°C
57.1°F
14.0°C
55.2°F
13.0°C
47.5°F
9.0°C
37.9°F
3.0°C
30.3°F
-1.0°C
18.8°F
-7.0°C
rain
3.8 in.
10.0 cm.
3.7 in.
9.0 cm.
3.8 in.
10.0 cm.
4.2 in.
11.0 cm.
3.5 in.
9.0 cm.
3.4 in.
9.0 cm.
3.2 in.
8.0 cm.
3.1 in.
8.0 cm.
3.4 in.
9.0 cm.
4.0 in.
10.0 cm.
5.1 in.
13.0 cm.
4.6 in.
12.0 cm.