Boise, Idaho Weather:
Monday, September 28, 2026
Cloudy Weather
Day 75°
Night 52°
Precipitation 11 %
Wind 5 mph
UV Index (0 - 11+) 4
Weather Forecast History
Last Year's Weather on This Day (September 28, 2025)
Cloudy Night

Day

90°

Night

64°

Wind

8 mph

Precipitation

4 %