National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Boise Air Terminal (KBOI)

Lat: 43.56704°NLon: 116.24053°WElev: 2822.0ft.

Clear

75°F

24°C

Humidity 15%
Wind Speed W 16 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 21 May 04:05 PM MDT
Extended Forecast for

Boise ID

  • Tonight

    Tonight: Increasing clouds, with a low around 48. Northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.

    Low: 48 °F

    Increasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 80. Calm wind becoming west around 6 mph in the afternoon.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 50. Northwest wind around 6 mph becoming calm in the evening.

    Low: 50 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 88. Calm wind becoming south around 5 mph.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57. Northwest wind around 6 mph becoming calm in the evening.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: Sunny and hot, with a high near 90.

    High: 90 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 48. Northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Friday
Sunny, with a high near 80. Calm wind becoming west around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 50. Northwest wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 88. Calm wind becoming south around 5 mph.
Saturday Night
Partly cloudy, with a low around 57. Northwest wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 88.
Sunday Night
Mostly clear, with a low around 57.
Memorial Day
Sunny and hot, with a high near 90.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 70.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 46.
Wednesday
A 30 percent chance of showers. Mostly sunny, with a high near 71.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Boise ID
 43.62°N 116.22°W (Elev. 2710 ft)
Last Update:
12:29 pm MDT May 21, 2026
Forecast Valid:
4pm MDT May 21, 2026-6pm MDT May 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation