Porthill, Idaho is a small community located in the northernmost part of the state, near the Canadian border. The town experiences a continental climate, characterized by warm summers and cold winters. Average temperatures range from 20°F (-6°C) in winter to 80°F (27°C) in summer. Porthill receives about 25 inches of precipitation per year, with the majority falling as snow during the winter months.

The town is surrounded by natural beauty, with the Moyie River flowing nearby. The river, known for its clear waters, provides excellent opportunities for fishing, kayaking, and rafting. Outdoor enthusiasts can also explore the surrounding mountains and forests, which offer ample hiking, camping, and wildlife viewing opportunities.

Porthill's proximity to the Kootenai National Wildlife Refuge makes it an ideal destination for birdwatching and photography. The refuge is home to over 300 bird species, including bald eagles, trumpeter swans, and sandhill cranes.

Overall, Porthill, Idaho offers a picturesque setting with a range of outdoor activities for nature lovers and adventure seekers to enjoy throughout the year.