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Walla Walla County, WA Weather Forecast

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Walla Walla County, WA Weather Forecast

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Walla Walla County WA weather - Partly Cloudy - 58°F
Partly Cloudy
58°F
Updated 3:12 pm
Feels Like 50°F
Humidity 34%
Wind W 3 mph
Barometer  29.76 in
Dew Point 30°F
Walla Walla County WA weather - Partly Cloudy - 14°C
Partly Cloudy
14°C
Updated 3:12 pm
Feels Like 10°C
Humidity 34%
Wind W 5 km/h
Barometer  100.7 kPa
Dew Point -1°C
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Walla Walla County Weather Forecast

TONIGHT SUNDAY SUNDAY NIGHT COLUMBUS DAY MONDAY NIGHT TUESDAY WEDNESDAY THURSDAY FRIDAY SATURDAY
Walla Walla County, WA Weather - Tonight Mostly Clear Walla Walla County, WA Weather - Sunday Chance Of Showers Walla Walla County, WA Weather - Sunday Night Mostly Cloudy Walla Walla County, WA Weather - Columbus Day Partly Sunny Walla Walla County, WA Weather - Monday Night Mostly Clear Walla Walla County, WA Weather - Tuesday Mostly Clear Walla Walla County, WA Weather - Wednesday Mostly Clear Walla Walla County, WA Weather - Thursday Mostly Clear Walla Walla County, WA Weather - Friday Mostly Clear Walla Walla County, WA Weather - Saturday Mostly Clear
Mostly Clear Chance of Showers Mostly Cloudy Partly Sunny Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear
Lo: 40°FLo: 4°C Hi: 57°FHi: 14°C
 Lo: 33°FLo: 1°C Hi: 56°FHi: 13°C
 Lo: 31°FLo: -1°C Hi: 65°FHi: 18°C
Lo: 36°FLo: 2°C		 Hi: 65°FHi: 18°C
Lo: 36°FLo: 2°C		 Hi: 70°FHi: 21°C
Lo: 49°FLo: 9°C		 Hi: 70°FHi: 21°C
Lo: 49°FLo: 9°C		 Hi: 70°FHi: 21°C
Lo: 49°FLo: 9°C
POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 155 PM PDT Sat Oct 10 2026 Walla Walla County, WA Weather - WeatherWorld.com

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Walla Walla County Forecast Discussion

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Issued: 243 PM PDT Sat Oct 10 2026

Key Messages

  • Cold air mass expected to move through the area this weekend and next week
  • Breezy conditions this weekend along the Eastern Oregon Cascades, Washington Cascades, Lower Columbia Basin and Yakima Valley
  • Return of mostly dry conditions, light winds, and above normal temperatures middle of next week

Discussion

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Scattered to broken cloud layers around 6000 ft were common across the forecast area This Afternoon with of more sun through the Columbia River Gorge and southeast Washington. A z...