Boise weather live forecast

Tomorrow's maximum temperature in Boise is expected to be 97°F.

5-day weather forecast updated at 04:01 on Friday 18th July 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.

Boise weather forecast by day

Below are the detailed weather forecasts for Boise for the next 5 days.

Boise weather for Friday 18th July 2025

Expect scattered clouds in Boise, Idaho with a maximum temperature of 97°F, high levels of heat & humidity, maximum UV of 9 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 2 mph from the north-west.

  • 97°F maximum temperature97
    °F maximum temperature
  • 64°F minimum temperature64
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 14 hours of bright sunshine14
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Little or no wind of 2 mph from the North-West2
    mph wind from NW

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Boise weather for Saturday 19th July 2025

Expect scattered clouds in Boise, Idaho with a maximum temperature of 91°F, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 2 mph from the north-west.

  • 91°F maximum temperature91
    °F maximum temperature
  • 63°F minimum temperature63
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Little or no wind of 2 mph from the North-West2
    mph wind from NW

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Boise weather for Sunday 20th July 2025

Expect scattered clouds in Boise, Idaho with a maximum temperature of 88°F, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 2 mph from the north-west.

  • 88°F maximum temperature88
    °F maximum temperature
  • 61°F minimum temperature61
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Little or no wind of 2 mph from the North-West2
    mph wind from NW

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Boise weather for Monday 21st July 2025

Expect mostly cloudy with light rain in Boise, Idaho with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 9 (Very High) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and little or no wind of 2 mph from the north-west.

  • 86°F maximum temperature86
    °F maximum temperature
  • 63°F minimum temperature63
    °F minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 25% chance of some rain25
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Little or no wind of 2 mph from the North-West2
    mph wind from NW

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Boise weather for Tuesday 22nd July 2025

Expect sunshine and showers in Boise, Idaho with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 10% chance of some rain and little or no wind of 2 mph from the north-west.

  • 86°F maximum temperature86
    °F maximum temperature
  • 61°F minimum temperature61
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 10% chance of some rain10
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Little or no wind of 2 mph from the North-West2
    mph wind from NW

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