Generally, you can anticipate the weather in Boise during March is 5 with a normal high in the month being 12 degrees and a low of 1 degrees celsius. We have put some more detail below here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 5 |
| High Temperature | 12 |
| Low Temperature | 1 |
Useful Links: Boise Weather: Average Weather & Yearly Climate