Caldwell, Idaho Weather:
Wednesday, September 30, 2026
Cloudy Weather
Day 70°
Night 43°
Precipitation 55 %
Wind 6 mph
Weather Forecast History
Last Year's Weather on This Day (September 30, 2025)
Sunny with a Chance of Thunderstorms

Day

72°

Night

52°

Wind

6 mph

UV Index

40

Precipitation

65 %