Caldwell, Idaho Weather

Caldwell is about 39 km west of Boise, in Idaho.

Caldwell sees cold winters with significant mountain snowfall.

The live current conditions, hourly forecast and 16-day outlook above are pulled in real time for Caldwell's exact coordinates. No fixed schedule, the page updates whenever you load it.

Yes, use the "View live radar" link on this page for real-time precipitation radar centered on Caldwell.

Yes, where the AQI panel above shows a value. It's sourced from the same live air-quality provider used across TodayWeather. If it reads "not available," air-quality coverage doesn't currently extend to this location.

Up to 16 days ahead using the extended forecast and date picker above; further-out or historical dates use the same date lookup tool.

The current temperature for Caldwell updates automatically at the top of this page — scroll to the hourly strip below to see how it's expected to change over the day.

The hourly forecast above shows the rain chance for Caldwell hour by hour — the 16-day outlook further down covers the rest of the week.

Caldwell's live UV index is in the metrics panel above, shown alongside a low/moderate/high band so it's easy to tell when sun protection is worth it.

Caldwell's current relative humidity is in the humidity ring near the top of this page, with more detail in the metrics section below.