3 Things to Know About Catching Deck Rainbows

Low sun is essential Rainbows form when sunlight hits water droplets at roughly a 42-degree angle, which only happens when the sun is near the horizon—early morning or late afternoon.

Deck direction matters East-facing decks get morning rainbows; west-facing decks get afternoon ones. South or north-facing decks see fewer rainbows unless the sun is very low in summer.

You need water No water means no rainbow. If there’s no rain or sprinklers, drag out a hose—a low sun will still give you a show.