Nearby locations
Union County, Oregon, United States
Island City, Oregon, United States
La Grande, Oregon, United States
Nearby popular places
Rambling Rotors Heliport, United States
La Grande Municipal Airport, United States
La Grande Country Club, United States

Weather in Union County, United States

78°
Mostly clear
Feels like 78°
·
High79°Low48°
Interested in the data behind our forecast? Try our Weather API

Air quality

Full Details
0
28
500
Air quality:Good

Pollen index

Full Details
Tree
2/5
012345
Weed
0/5
012345
Grass
5/5
012345

Tomorrow's weather summary

The weather in Union County on Wednesday, May 31st, will vary throughout the day from cloudy weather to clear.

According to our models cloud overcast will emerge around noon and a high probability for clear skies before dawn.

Weather information for Union County, on Wednesday, May 31st:

The maximum temperature of the day is going to be 66°F around 2 pm. The day will be dry, with average humidity of 41%, ranging from 32% to a maximum value of 52% at about 6 am. The wind will be breezy, and will get up to 12 mph at 4 pm, blowing from the north-west. The cloud coverage will range from 0% around 1 am to as high as 100% around 10 pm with an average of 48%.

There is no probability for any precipitation throughout the day. The dew point will range from 29°F up to a maximum value of 35°F around 3 pm.

The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be normal with average pressure of 1012 hPa. Sunrise will be at 5:23 am, and sunset at 8:16 pm, making it a total of 14 hours and 53 minutes of daylight.

Air quality forecast for Union County, on Wednesday, May 31st:

On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 32 and 49.

Pollen forecast for Union County, on Wednesday, May 31st:

Tree pollen on this day is expected to have high risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have very high risk.

The weather in Union County on Thursday, June 1st, is going to be clear for most of the day.

Additionally, there will be cloud overcast during the evening, around 8 pm.

Weather details for Union County, on Thursday, June 1st:

The maximum temperature during the day is going to be 70°F around 3 pm. The day will have comfortable humidity, with average humidity of 51%, ranging from 33% to a maximum value of 70% at about 5 am. The wind will be breezy, and will get up to 11 mph at 8 am, blowing from the north-west. The cloud coverage will range from 0% around 1 am to as high as 100% around 10 pm with an average of 18%.

There is no probability for any precipitation throughout the day. The dew point will range from 31°F up to a maximum value of 43°F around 5 pm.

The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be normal with average pressure of 1013 hPa. Sunrise will be at 5:22 am, and sunset at 8:17 pm. The day will have 14 hours and 55 minutes of daylight.

Air quality forecast for Union County, on Thursday, June 1st:

On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 29 and 44.

Pollen forecast for Union County, on Thursday, June 1st:

Tree pollen on this day is expected to have medium risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have very high risk.

FAQ

How warm does it get in Union County?
The average annual highest temperature in Union County is 31.0°C (87.8°F), and the July 26th is the hottest day on average.
How cold does it get in Union County?
The average annual lowest temperature in Union County is -16.0°C (3.2°F), and the December 31st is the coldest day on average.
Which month has the most rain in Union County?
The wettest months in Union County are October and May.
What months does it snow in Union County?
The most common time of year for snow is December, January, February, March, November and April.