Idaho weather live forecast

Today's maximum temperature in Idaho is expected to be 99°F. Select a day from the live weather forecast for Idaho (Boise), USA for more weather parameters.

5-day weather forecast updated at 04:01 on Tuesday 2nd September 2025 GMT

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The 5-day weather forecast for Idaho (Boise) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

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Below are temperatures expected today at popular countries, regions and places in Idaho. Select a destination to see the detailed weather forecast for today, tomorrow and the outlook for the next five days.

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Idaho weather forecast by day

Below are the detailed weather forecasts for Idaho for the next 5 days. The forecasts shown are for Boise and may not represent the whole of Idaho. Browse more destinations in Idaho to view more weather forecasts.

Idaho weather for Tuesday 2nd September 2025

Expect scattered clouds in Idaho with a maximum temperature of 99°F, high levels of heat & humidity, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 8 mph from the east.

  • 99°F maximum temperature99
    °F maximum temperature
  • 70°F minimum temperature70
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Gentle breeze of 8 mph from the East8
    mph wind from E

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Idaho weather for Wednesday 3rd September 2025

Expect scattered clouds in Idaho with a maximum temperature of 95°F, high levels of heat & humidity, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the east.

  • 95°F maximum temperature95
    °F maximum temperature
  • 68°F minimum temperature68
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Light breeze of 7 mph from the East7
    mph wind from E

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Idaho weather for Thursday 4th September 2025

Expect scattered clouds in Idaho with a maximum temperature of 95°F, high levels of heat & humidity, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 10 mph from the north-west.

  • 95°F maximum temperature95
    °F maximum temperature
  • 70°F minimum temperature70
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Gentle breeze of 10 mph from the North-West10
    mph wind from NW

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Idaho weather for Friday 5th September 2025

Expect sunshine and showers in Idaho with a maximum temperature of 93°F, high levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a gentle breeze of 8 mph from the east.

  • 93°F maximum temperature93
    °F maximum temperature
  • 68°F minimum temperature68
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 25% chance of some rain25
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Gentle breeze of 8 mph from the East8
    mph wind from E

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Idaho weather for Saturday 6th September 2025

Expect isolated thunderstorms in Idaho with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 29% chance of some rain and a light breeze of 7 mph from the east.

  • 82°F maximum temperature82
    °F maximum temperature
  • 66°F minimum temperature66
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 29% chance of some rain29
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 7 mph from the East7
    mph wind from E

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Expires at 23:59 on Wednesday 31st Dec 2025 · View all Avalon Waterways offers

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