Hermiston, OR Weather Forecast
Local 7-day forecast
Mostly Sunny then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Hermiston, OR in one place.
A chance of showers and thunderstorms after 5pm. Mostly sunny. High near 88, with temperatures falling to around 86 in the afternoon. North wind 2 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Hermiston, OR is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: May 27, 2026 10:47 PM PDT.
The active forecast window currently covers May 28 to Jun 3, 2026 for Hermiston, OR.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 28 to Jun 3, 2026
- Latest sync
- May 27, 2026 10:47 PM PDT
- Forecast office
- PDT
- Source
- NOAA / NWS
Daily Outlook
This Week in Hermiston
Thursday looks like the warmest upcoming period in Hermiston at 88 degrees F.
Friday Night is the coolest period ahead with temperatures near 44 degrees F.
The strongest winds are forecast for Friday at about 18 to 26 mph SW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- May 27, 2026 10:47 PM PDT
- Coverage
- 7 days
- Time zone
- America/Los_Angeles
- Forecast office
- PDT
- Radar station
- KPDT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms. Mostly cloudy. Low around 54, with temperatures rising to around 57 overnight. Southwest wind 7 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
A slight chance of rain showers before 11am. Mostly sunny, with a high near 72. Southwest wind 18 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.
Mostly cloudy, with a low around 44. Southwest wind 15 to 26 mph, with gusts as high as 40 mph.
Mostly sunny, with a high near 69.
Partly cloudy, with a low around 44.
Sunny, with a high near 74.
Mostly clear, with a low around 45.
Sunny, with a high near 81.
Mostly clear, with a low around 50.
Sunny, with a high near 86.
Partly cloudy, with a low around 54.
Mostly sunny, with a high near 86.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
May 28
|
Mostly Sunny then Chance Showers And Thunderstorms
|
88°F |
2 to 7 mph
N
|
|
Thursday Night
May 28
|
Chance Showers And Thunderstorms
|
54°F |
7 to 18 mph
SW
|
|
Friday
May 29
|
Slight Chance Rain Showers then Mostly Sunny
|
72°F |
18 to 26 mph
SW
|
|
Friday Night
May 29
|
Mostly Cloudy
|
44°F |
15 to 26 mph
SW
|
|
Saturday
May 30
|
Mostly Sunny
|
69°F |
14 to 18 mph
SW
|
|
Saturday Night
May 30
|
Partly Cloudy
|
44°F |
9 to 17 mph
SW
|
|
Sunday
May 31
|
Sunny
|
74°F |
6 to 12 mph
W
|
|
Sunday Night
May 31
|
Mostly Clear
|
45°F |
2 to 6 mph
SW
|
|
Monday
Jun 1
|
Sunny
|
81°F |
1 to 7 mph
W
|
|
Monday Night
Jun 1
|
Mostly Clear
|
50°F |
2 to 7 mph
NE
|
|
Tuesday
Jun 2
|
Sunny
|
86°F |
2 to 8 mph
NE
|
|
Tuesday Night
Jun 2
|
Partly Cloudy
|
54°F |
2 to 8 mph
E
|
|
Wednesday
Jun 3
|
Mostly Sunny
|
86°F |
2 to 10 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Hermiston.
