Boise Forecast: Cooling Start, Warm Midweek Ahead

Weekly Forecast - Boise, Idaho

The U.S. National Weather Service in Boise, Idaho, released updated temperature and precipitation forecasts for the week. A cooling trend is expected Sunday through Monday, before unseasonably warm temperatures return Tuesday through Wednesday. A cold front moving into the region midweek will bring light precipitation over mountain areas and return a cooling trend by the end of the week.

Forecast Morning Low & Afternoon High Temperatures (°F)

LocationSunday Mar 22ndMonday Mar 23rdTuesday Mar 24thWednesday Mar 25thThursday Mar 26thFriday Mar 27th
Baker City24° / 59°28° / 64°40° / 69°50° / 74°40° / 60°25° / 59°
Boise36° / 62°40° / 69°42° / 66°38° / 65°40° / 61°36° / 64°
Burns26° / 58°29° / 66°42° / 68°47° / 74°47° / 73°39° / 62°
Caldwell36° / 62°35° / 66°42° / 68°40° / 70°42° / 64°34° / —

The forecast is shared with the hashtags #idwx and #orwx.

Mar 21, 2026 at 8:34 PM Weather

Caldwell

3833 S Development Ave, # 3807, Boise, ID

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