Todays weather in Boise Idaho - Sunday - 31 May 2026

Boise is stepping into a gorgeous Sunday with 75 degrees of full sunshine, calm west-northwest winds between 3 and 9 mph, and absolutely no precipitation in sight. This episode of your daily Boise Idaho weather briefing breaks down everything you need to know before you head out the door — from what to wear this morning (light layers early, t-shirt by midday) to what to expect tonight when temps dip to a chilly 47 degrees, a reminder that high-desert spring nights still have some bite.Beyond today, the Treasure Valley is in for a sustained warm stretch that builds all week. Monday brings sunny skies at 79 degrees. Tuesday climbs to 84. By Wednesday and through the weekend, highs are touching 88 degrees with only a token 6% rain chance Wednesday night that barely registers. If you run, bike, or have outdoor plans this week, mornings are your best window as the heat builds midweek — and hydration becomes a real priority by Tuesday.For today's commute, conditions are ideal: dry roads, light wind, and excellent visibility in both directions. No weather complications to watch for.This is your practical, no-fuss daily weather update for Boise and the broader Treasure Valley — covering current conditions, highs and lows, wind, humidity, precipitation chances, and what to actually wear. Under three minutes, every day.This episode includes AI-generated content.