What is Boise, Idaho's record high temperature?

Boise's record high is 111°F, and temperatures regularly push into the triple digits by July.

What is Boise, Idaho's record low temperature?

Boise's record low is minus 28°F, and the city recorded minus 25°F as recently as December 1990 despite a reputation for mild winters.

Does Boise, Idaho have air quality issues in winter?

Yes, strong wintertime temperature inversions settle into the Treasure Valley and trap cold air and pollution for days at a stretch, producing some of the worst urban air quality in the Northwest.

What is the temperature range between Boise's record high and low?

Boise's record high of 111°F and record low of minus 28°F produce a range of nearly 140 degrees between extremes.

Weather in Boise, ID | Only Weather

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Boise, ID Weather