Hotels in New Castle

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Check prices for these dates

Tonight
May 11 - May 12
Tomorrow
May 12 - May 13
Next weekend
May 16 - May 18
In two weeks
May 23 - May 25

Where to stay in New Castle?

Great Island Inn: A Boutique Apartment Hotel
Deluxe Apartment, 1 King Bed with Sofa bed, Kitchen, Garden Area | Private kitchen | Fridge, microwave, oven, coffee/tea maker

Great Island Inn: A Boutique Apartment Hotel

3.5 star property
10.0 out of 10, Exceptional, (114)
$182 nightly
The price is $195
May 15 - May 16
Total includes taxes and fees
Great Island Inn: A Boutique Apartment Hotel
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
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Our prices for hotels in New Castle are cheapest in February

See average prices and weather for all months

Price trends for hotels in New Castle

Pricing is based on two traveler single night rates
May
$400
Average price during May is $400
Jun
$551
Average price during June is $551
Jul
$620
Average price during July is $620
Aug
$655
Average price during August is $655
Sep
$561
Average price during September is $561
Oct
$492
Average price during October is $492
Nov
$327
Average price during November is $327
Dec
$313
Average price during December is $313
Jan
$304
Average price during January is $304
Feb
$282
Average price during February is $282
Mar
$376
Average price during March is $376
Apr
$313
Average price during April is $313
Currently viewing crowd sizes and weather for May.

May

High 63°F / low 48°F. Sunny most days.
63°
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May, no crowd data, average high temperature 63 degrees Fahrenheit, average low temperature 48 degrees Fahrenheit. Sunny most days.
48°
71°
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June, no crowd data, average high temperature 71 degrees Fahrenheit, average low temperature 56 degrees Fahrenheit. Sunny most days.
56°
78°
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July, High crowds, average high temperature 78 degrees Fahrenheit, average low temperature 64 degrees Fahrenheit. Sunny most days.
64°
77°
weather_sun
August, High crowds, average high temperature 77 degrees Fahrenheit, average low temperature 63 degrees Fahrenheit. Sunny most days.
63°
71°
weather_sun
September, High crowds, average high temperature 71 degrees Fahrenheit, average low temperature 56 degrees Fahrenheit. Sunny most days.
56°
60°
weather_sun
October, no crowd data, average high temperature 60 degrees Fahrenheit, average low temperature 47 degrees Fahrenheit. Sunny most days.
47°
48°
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November, no crowd data, average high temperature 48 degrees Fahrenheit, average low temperature 36 degrees Fahrenheit. Partly sunny.
36°
39°
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December, no crowd data, average high temperature 39 degrees Fahrenheit, average low temperature 29 degrees Fahrenheit. Partly sunny.
29°
33°
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January, no crowd data, average high temperature 33 degrees Fahrenheit, average low temperature 21 degrees Fahrenheit. Snow likely.
21°
35°
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February, no crowd data, average high temperature 35 degrees Fahrenheit, average low temperature 22 degrees Fahrenheit. Snow likely.
22°
42°
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March, no crowd data, average high temperature 42 degrees Fahrenheit, average low temperature 28 degrees Fahrenheit. Partly sunny.
28°
52°
weather_partly_sunny
April, no crowd data, average high temperature 52 degrees Fahrenheit, average low temperature 38 degrees Fahrenheit. Partly sunny.
38°
Monthly weather averages (˚F)
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Top landmarks in New Castle

Portsmouth Harbor Lighthouse

If you're planning a bit of sightseeing during your trip, head to Portsmouth Harbor Lighthouse— just one of the monuments in central New Castle. Hotels.com travelers also say the area is family-friendly and has lots of nice beaches. It's also full of great shops and restaurants, so you can spend the afternoon having a wander.

See properties in Portsmouth Harbor Lighthouse
Portsmouth Harbor Lighthouse

Learn more about New Castle

Notable for its seaside, New Castle features attractions such as Portsmouth Harbor Lighthouse and Fort Constitution Historical Site. Visitors to this historical city speak highly of the restaurants whereas sights include American Independence Museum and Fort Stark State Historic Site.

See all hotels in New Castle
New Castle showing a river or creek and boating
A tranquil hotel pool encircled by beautiful arches, enhancing the ambiance for leisure and relaxation.

Summer Getaway Sale

Save 25% or more on select hotels, and earn 50% more rewards on all properties. Book by May 26 and travel by Sep 30, 2025. See terms*
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Frequently asked questions

What hotels do travelers recommend in New Castle?
Wentworth by the Sea is an accommodation that is popular with guests.
Can I book a refundable hotel in New Castle?
If you need the flexibility to change your plans to New Castle, most hotels offer refundable* rates you can book. You can find these properties by searching our site and using the “fully refundable” filter to narrow the results down.
Where can I stay with my pet in New Castle?
Your animal companion is welcome at this pet-friendly hotel: Wentworth by the Sea.
Which New Castle hotels do our guests like for their central location?
Our guests rave about the location of Wentworth by the Sea.
Where can I stay if I'm visiting New Castle for a family-friendly vacation?
Your kids are welcome at Wentworth by the Sea.
Where should I stay in New Castle for a vacation with my partner?
Wentworth by the Sea is a great option for a romantic getaway.
Where should I stay in New Castle if I want a luxury accommodation?
An option for a luxury stay is Wentworth by the Sea.
What will the weather in New Castle be like during my trip?
The warmest months in New Castle are usually July and August with an average temp of 67°F. January and February are the chilliest months when the average temp is 31°F. The rainiest months are December and October.
Why should I book my New Castle accommodation with Hotels.com?
There are plenty of reasons to book your New Castle travel with us: our free cancellations on selected hotels* gives you the flexibility you’re looking for, and with One Key™, our rewards program, you will be able to earn and use OneKeyCash™** on all eligible bookings such as hotels, car rentals, flights, vacation rentals and more on Hotels.com, Expedia and Vrbo.

Terms and conditions

*Book by 5/26/2025 11:59 pm in hotel property local time. Stay between 4/17/2025-9/30/2025. Member Prices are available to Hotels.com® app users and One Key members. Limited availability, blackout periods may apply.

OneKeyCash is not redeemable for cash and can only be used on Hotels.com®, Expedia®, and Vrbo®.

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