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Union, OR Weather Forecast

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Union, OR Weather Forecast

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Union OR weather - Clear - 37°F
Clear
37°F
Updated 5:29 am
Feels Like 33°F
Humidity 78%
Wind SSW 3 mph
Barometer  30.04 in
Dew Point 31°F
Union OR weather - Clear - 3°C
Clear
3°C
Updated 5:29 am
Feels Like 1°C
Humidity 78%
Wind SSW 5 km/h
Barometer  101.7 kPa
Dew Point -1°C
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Union Weather Forecast

TODAY TONIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY MONDAY
Union, OR Weather - Today Partly Sunny Union, OR Weather - Tonight Partly Cloudy Union, OR Weather - Wednesday Mostly Sunny Union, OR Weather - Wednesday Night Partly Cloudy Union, OR Weather - Thursday Rain Showers Union, OR Weather - Thursday Night Chance Of Showers Union, OR Weather - Friday Mostly Clear Union, OR Weather - Friday Night Mostly Clear Union, OR Weather - Saturday Mostly Sunny Union, OR Weather - Saturday Night Snow Showers Union, OR Weather - Sunday Snow Showers Union, OR Weather - Monday Snow Showers
Partly Sunny Partly Cloudy Mostly Sunny Partly Cloudy Rain Showers Chance of Showers Mostly Clear Mostly Clear Mostly Sunny Snow Showers Snow Showers Snow Showers
Hi: 69°FHi: 21°C
 Lo: 40°FLo: 4°C Hi: 66°FHi: 19°C
 Lo: 43°FLo: 6°C Hi: 55°FHi: 13°C
 Lo: 33°FLo: 1°C Hi: 45°FHi: 7°C
Lo: 30°FLo: -1°C		 Hi: 45°FHi: 7°C
Lo: 30°FLo: -1°C		 Hi: 46°FHi: 8°C
 Lo: 35°FLo: 2°C Hi: 50°FHi: 10°C
Lo: 35°FLo: 2°C		 Hi: 50°FHi: 10°C
Lo: 35°FLo: 2°C
POP: 70% POP: 50% POP: 50% POP: 20% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 402 AM PDT Tue Oct 20 2026 Union, OR Weather - WeatherWorld.com

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Issued: 425 AM PDT Tue Oct 20 2026

Key Messages

  • Warm and dry conditions through Wednesday.
  • Breezy to strong gusty winds through the Eastern Columbia River Gorge/Cascade Gaps Thursday Night.
  • Slight chances (15-25%) for thunderstorms across the Wallowas and Blue Mountains of Oregon, wetting rains, and breezy winds.

Discussion

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A band of thick clouds were spreading north out of southern Oregon into Central Oregon this morning, with thinner clouds across the foothills and Columbia Basin region and radar returns from MRMS had faded. ...