Boise, Idaho Weather:
Sunday, September 27, 2026
Cloudy Weather
Day 75°
Night 54°
Precipitation 6 %
Wind 6 mph
UV Index (0 - 11+) 4
Weather Forecast History
Last Year's Weather on This Day (September 27, 2025)
Night

Day

82°

Night

54°

Wind

7 mph

Precipitation

0 %