Boise, Idaho Weather:
Active Weather Warnings
Wednesday, October 14, 2026
Sunny Weather
Day 66°
Night 43°
Precipitation 1 %
Wind 8 mph
UV Index (0 - 11+) 4
Weather Forecast History
Last Year's Weather on This Day (October 14, 2025)
Cloudy Night

Day

59°

Night

45°

Wind

6 mph

Precipitation

25 %

Weather Alerts and Warnings for

Minor Expected Likely

Frost Advisory

Frost Advisory issued October 12 at 11:25AM MDT until October 14 at 10:00AM MDT by NWS Boise ID
Oct 13, 12:00 AM → Oct 14, 10:00 AM
WHAT: Low temperatures between 33 and 35 degrees Tuesday and
Wednesday mornings will result in frost formation. A 40% chance
temperatures could fall below freezing, 30 to 32 degrees, from
Mountain Home through the Western Magic Valley on Wednesday
morning.

WHERE: Portions of south central and southwest Idaho and southeast
Oregon.

WHEN: From midnight MDT /11 PM PDT/ tonight to 10 AM MDT /9 AM
PDT/ Wednesday.

IMPACTS: Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
+ Read More
Take steps now to protect tender plants from the cold.
Updated: Oct 12, 5:19 PM Source: NWS Alert