Union, OR Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Union, OR.

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Current Conditions — Union, OR

LA GRANDE (KLGD)

Clear

30.2 F
Humidity:86%
Wind Speed:SE 3.4 mph
Barometer:29.76 in
Dewpoint:26.6 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:26.6 F
Apr 26 2026, 02:30 AM PDT
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5-Day Forecast — Union, OR

Sunday

High 57 °F
Forecast Missing
Sunday
Night
Low 35 °F
Forecast Missing
Monday

High 59 °F
Forecast Missing
Monday
Night
Low 37 °F
Forecast Missing
Tuesday

High 62 °F
Forecast Missing
Tuesday
Night
Low 37 °F
Forecast Missing
Wednesday

High 66 °F
Forecast Missing
Wednesday
Night
Low 39 °F
Forecast Missing
Thursday

High 71 °F
Forecast Missing

Detailed Forecast — Union, OR

Sunday
Forecast Missing. High near 57°F. Wind 9 to 18 mph, with gusts as high as 24 mph.
Sunday Night
Forecast Missing. Low around 35°F. Wind 6 to 10 mph, with gusts as high as 15 mph.
Monday
Forecast Missing. High near 59°F. Wind 6 to 15 mph, with gusts as high as 21 mph.
Monday Night
Forecast Missing. Low around 37°F. Wind 6 to 10 mph, with gusts as high as 13 mph.
Tuesday
Forecast Missing. High near 62°F. Wind 6 to 10 mph, with gusts as high as 16 mph.
Tuesday Night
Forecast Missing. Low around 37°F. Wind 2 to 3 mph, with gusts as high as 6 mph.
Wednesday
Forecast Missing. High near 66°F. Wind 7 to 14 mph, with gusts as high as 15 mph.
Wednesday Night
Forecast Missing. Low around 39°F. Wind 2 to 3 mph, with gusts as high as 7 mph.
Thursday
Forecast Missing. High near 71°F. Wind 8 to 15 mph, with gusts as high as 17 mph.
Thursday Night
Forecast Missing. Low around 42°F. Wind 6 to 8 mph, with gusts as high as 12 mph.
Friday
Forecast Missing. High near 71°F. Wind 13 to 16 mph, with gusts as high as 18 mph.
Friday Night
Forecast Missing. Low around 44°F. Wind 5 to 6 mph, with gusts as high as 9 mph.
Saturday
Forecast Missing. High near 71°F. Wind 10 to 17 mph, with gusts as high as 21 mph.
OR Radar
Current Radar • OR
Day 1 Outlook • April 26, 2026

Observation History — Union, OR

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
02:30 AM PDT SE 3.4 10.00 Clear -- 30.2 26.6 86% 26.6 NA 29.76 1007.8
02:20 AM PDT 3.4 10.00 Clear -- 30.2 24.8 80% 26.6 NA 29.77 1008.1
02:05 AM PDT SE 3.4 10.00 Clear -- 30.2 23.0 74% 26.6 NA 29.77 1008.1
02:00 AM PDT SE 3.4 10.00 Clear -- 30.2 24.8 80% 26.6 NA 29.77 1008.1
01:50 AM PDT E 3.4 10.00 Clear -- 30.2 23.0 74% 26.6 NA 29.77 1008.1
01:45 AM PDT 3.4 10.00 Clear -- 30.2 23.0 74% 26.6 NA 29.77 1008.1
01:40 AM PDT 4.6 10.00 Clear -- 32.0 21.2 64% 27.5 NA 29.77 1008.1
01:35 AM PDT SE 3.4 10.00 Clear -- 33.8 21.2 60% 30.7 NA 29.77 1008.1
01:25 AM PDT 0.0 10.00 Clear -- 35.6 21.2 55% NA NA 29.78 1008.5
01:20 AM PDT 3.4 10.00 Clear -- 33.8 21.2 60% 30.7 NA 29.78 1008.5
01:15 AM PDT 4.6 10.00 Clear -- 33.8 21.2 60% 29.5 NA 29.78 1008.5
01:05 AM PDT 3.4 10.00 Clear -- 33.8 21.2 60% 30.7 NA 29.78 1008.5
01:00 AM PDT 4.6 10.00 Clear -- 33.8 21.2 60% 29.5 NA 29.78 1008.5
12:50 AM PDT S 5.7 10.00 Clear -- 30.2 23.0 74% 24.3 NA 29.78 1008.5
12:40 AM PDT 4.6 10.00 Clear -- 32.0 23.0 69% 27.5 NA 29.78 1008.5
12:35 AM PDT 5.7 10.00 Clear -- 33.8 24.8 69% 28.6 NA 29.78 1008.5
12:25 AM PDT 4.6 10.00 Clear -- 33.8 24.8 69% 29.5 NA 29.78 1008.5
12:15 AM PDT W 5.7 10.00 Clear -- 33.8 21.2 60% 28.6 NA 29.78 1008.5
12:10 AM PDT W 5.7 10.00 Clear -- 35.6 21.2 55% 30.7 NA 29.78 1008.5
12:00 AM PDT 8.1 10.00 Clear -- 33.8 21.2 60% 27.0 NA 29.78 1008.5
11:50 PM PDT W 5.7 10.00 Clear -- 33.8 23.0 64% 28.6 NA 29.78 1008.5
11:40 PM PDT 5.7 10.00 Clear -- 35.6 21.2 55% 30.7 NA 29.78 1008.5
11:35 PM PDT 6.9 10.00 Clear -- 39.2 19.4 45% 34.2 NA 29.78 1008.5
11:30 PM PDT 9.2 10.00 Clear -- 39.2 19.4 45% 33.1 NA 29.78 1008.5

Regional Weather Observation

LA GRANDE (KLGD)

Clear
30.2 F

MEACHAM (KMEH)

Clear
23.0 F

JOSEPH (KJSY)

Cloudy
32.0 F

PENDLETON (KPDT)

Clear
35.6 F

BAKER (KBKE)

Clear
28.4 F

WALLA WALLA (KALW)

Clear
39.2 F
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