Walla Walla weather live forecast

Today's maximum temperature in Walla Walla is expected to be 86°F. Select a day from the live weather forecast for Walla Walla, Washington State, USA for more weather parameters.

5-day weather forecast updated at 04:01 on Thursday 18th September 2025 GMT

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

Walla Walla weather forecast by day

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

Walla Walla weather for Wednesday 17th September 2025

Expect clear skies in Walla Walla, Washington State with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the south-east.

  • 86°F maximum temperature86
    °F maximum temperature
  • 54°F minimum temperature54
    °F minimum temperature
  • Clear skies
    clear skies
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 6 mph from the South-East6
    mph wind from SE

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Walla Walla weather for Thursday 18th September 2025

Expect clear skies in Walla Walla, Washington State with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the south.

  • 82°F maximum temperature82
    °F maximum temperature
  • 57°F minimum temperature57
    °F minimum temperature
  • Clear skies
    clear skies
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 6 mph from the South6
    mph wind from S

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Walla Walla weather for Friday 19th September 2025

Expect scattered clouds in Walla Walla, Washington State with a maximum temperature of 84°F, low levels of heat & humidity, maximum UV of 5 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the south.

  • 84°F maximum temperature84
    °F maximum temperature
  • 57°F minimum temperature57
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 6 mph from the South6
    mph wind from S

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Walla Walla weather for Saturday 20th September 2025

Expect clear skies in Walla Walla, Washington State with a maximum temperature of 84°F, low levels of heat & humidity, maximum UV of 5 (Moderate) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 12 mph from the south-west.

  • 84°F maximum temperature84
    °F maximum temperature
  • 57°F minimum temperature57
    °F minimum temperature
  • Clear skies
    clear skies
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Moderate breeze of 12 mph from the South-West12
    mph wind from SW

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Walla Walla weather for Sunday 21st September 2025

Expect mostly cloudy with light rain in Walla Walla, Washington State with a maximum temperature of 75°F, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 19% chance of some rain and a moderate breeze of 17 mph from the south-west.

  • 75°F maximum temperature75
    °F maximum temperature
  • 54°F minimum temperature54
    °F minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 19% chance of some rain19
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 17 mph from the South-West17
    mph wind from SW

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