Boise is about to experience the longest day of the year.
The summer solstice marks the official start of summer in the Northern Hemisphere — and the date with the most daylight.
Here’s what to know:
When is the summer solstice in 2026?
The summer solstice doesn’t “always occur on the same day,” the Old Farmer’s Almanac said. “Currently, it shifts between June 20, 21 and 22.”…