Sat, Jul 25 in Boise — think you can do better? Join in →
The Mercury Cup is a friendly daily contest to forecast the weather. Each day you predict tomorrow's high and low for a featured city — when the day is done, we score how close you were. The sharper your forecast, the higher you climb.
Enter tomorrow's high and low for this week's city before the daily deadline.
Once the real temperatures are in, we measure how close you were — closer is better.
Earn skill points against the leaderboard, join divisions, and build a streak.
Boise, ID · 43.6°N
Boise is the capital and most populous city in the U.S. state of Idaho. It is the county seat of Ada County. The population of the city was 235,685 at the 2020 census.
This week · actual highs & lows (°F)
Today · Boise through the day (°F)
Think you can call it closer than the crowd? Join in →