National Weather Service Forecast for: Grants Pass OR
Issued by: National Weather Service Medford, OR
Updated: 11:26 pm PDT Aug 19, 2026
 
Overnight

Overnight: Clear, with a low around 59. Calm wind.
Clear
 Thursday

Thursday: Sunny and hot, with a high near 101. Light and variable wind.
Hot
 Thursday
Night
Thursday Night: Increasing clouds, with a low around 62. Northwest wind around 5 mph becoming calm in the evening.
Increasing
Clouds
 Friday

Friday: Cloudy through mid morning, then gradual clearing, with a high near 94. Calm wind.
Gradual
Clearing
 Friday
Night
Friday Night: Mostly clear, with a low around 57. West wind 5 to 7 mph becoming calm in the evening.
Mostly Clear
 Saturday

Saturday: Sunny, with a high near 88.
Sunny
 Saturday
Night
Saturday Night: Mostly clear, with a low around 54.
Mostly Clear
 Sunday

Sunday: Sunny, with a high near 89.
Sunny
 Sunday
Night
Sunday Night: Mostly clear, with a low around 56.
Mostly Clear
Lo 59 °F Hi 101 °F Lo 62 °F Hi 94 °F Lo 57 °F Hi 88 °F Lo 54 °F Hi 89 °F Lo 56 °F

 

Overnight
 
 Clear, with a low around 59. Calm wind.
Thursday
 
 Sunny and hot, with a high near 101. Light and variable wind.
Thursday Night
 
 Increasing clouds, with a low around 62. Northwest wind around 5 mph becoming calm in the evening.
Friday
 
 Cloudy through mid morning, then gradual clearing, with a high near 94. Calm wind.
Friday Night
 
 Mostly clear, with a low around 57. West wind 5 to 7 mph becoming calm in the evening.
Saturday
 
 Sunny, with a high near 88.
Saturday Night
 
 Mostly clear, with a low around 54.
Sunday
 
 Sunny, with a high near 89.
Sunday Night
 
 Mostly clear, with a low around 56.
Monday
 
 Mostly sunny, with a high near 95.
Monday Night
 
 Mostly clear, with a low around 58.
Tuesday
 
 Sunny, with a high near 93.
Tuesday Night
 
 Mostly clear, with a low around 57.
Wednesday
 
 Mostly sunny, with a high near 91.

 

Forecast from NOAA-NWS for Grants Pass OR.