National Weather Service Forecast for: Hermiston OR
Issued by: National Weather Service Pendleton, OR
Updated: 2:25 am PDT Jul 5, 2025
 
Overnight

Overnight: Mostly cloudy, with a low around 60. Southwest wind around 13 mph, with gusts as high as 23 mph.
Mostly Cloudy
 Saturday

Saturday: Sunny, with a high near 87. West wind 10 to 13 mph, with gusts as high as 22 mph.
Sunny
 Saturday
Night
Saturday Night: Mostly clear, with a low around 58. South wind around 8 mph.
Mostly Clear
 Sunday

Sunday: Sunny, with a high near 92. South wind around 7 mph becoming west in the afternoon.
Sunny
 Sunday
Night
Sunday Night: Mostly clear, with a low around 58. West wind around 6 mph becoming south in the evening.
Mostly Clear
 Monday

Monday: Sunny and hot, with a high near 98.
Hot
 Monday
Night
Monday Night: Clear, with a low around 64.
Clear
 Tuesday

Tuesday: Sunny and hot, with a high near 102.
Hot
 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 69.
Partly Cloudy
Lo 60 °F Hi 87 °F Lo 58 °F Hi 92 °F Lo 58 °F Hi 98 °F Lo 64 °F Hi 102 °F Lo 69 °F

 

Overnight
 
 Mostly cloudy, with a low around 60. Southwest wind around 13 mph, with gusts as high as 23 mph.
Saturday
 
 Sunny, with a high near 87. West wind 10 to 13 mph, with gusts as high as 22 mph.
Saturday Night
 
 Mostly clear, with a low around 58. South wind around 8 mph.
Sunday
 
 Sunny, with a high near 92. South wind around 7 mph becoming west in the afternoon.
Sunday Night
 
 Mostly clear, with a low around 58. West wind around 6 mph becoming south in the evening.
Monday
 
 Sunny and hot, with a high near 98.
Monday Night
 
 Clear, with a low around 64.
Tuesday
 
 Sunny and hot, with a high near 102.
Tuesday Night
 
 Partly cloudy, with a low around 69.
Wednesday
 
 Sunny, with a high near 95.
Wednesday Night
 
 Mostly clear, with a low around 63.
Thursday
 
 Sunny, with a high near 93.
Thursday Night
 
 Clear, with a low around 61.
Friday
 
 Sunny and hot, with a high near 98.

 

Forecast from NOAA-NWS for Hermiston OR.