National Weather Service Forecast for: Grants Pass OR
Issued by: National Weather Service Medford, OR
Updated: 12:06 am PDT Jun 22, 2026
 
Overnight

Overnight: Clear, with a low around 52. Calm wind.
Clear
Monday

Monday: Sunny and hot, with a high near 96. Calm wind becoming northwest 5 to 9 mph in the afternoon.
Hot
Monday
Night
Monday Night: Clear, with a low around 56. North northwest wind 5 to 9 mph becoming calm  in the evening.
Clear
Tuesday

Tuesday: Mostly sunny, with a high near 95. Calm wind becoming west northwest around 6 mph in the afternoon.
Mostly Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 55. North northwest wind 5 to 8 mph becoming light and variable  in the evening.
Mostly Clear
Wednesday

Wednesday: Sunny, with a high near 92.
Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 55.
Mostly Clear
Thursday

Thursday: Sunny, with a high near 89.
Sunny
Thursday
Night
Thursday Night: A chance of rain after 11pm.  Mostly cloudy, with a low around 55.
Chance Rain
Lo 52 °F Hi 96 °F Lo 56 °F Hi 95 °F Lo 55 °F Hi 92 °F Lo 55 °F Hi 89 °F Lo 55 °F

Heat Advisory
 

Overnight
 
Clear, with a low around 52. Calm wind.
Monday
 
Sunny and hot, with a high near 96. Calm wind becoming northwest 5 to 9 mph in the afternoon.
Monday Night
 
Clear, with a low around 56. North northwest wind 5 to 9 mph becoming calm in the evening.
Tuesday
 
Mostly sunny, with a high near 95. Calm wind becoming west northwest around 6 mph in the afternoon.
Tuesday Night
 
Mostly clear, with a low around 55. North northwest wind 5 to 8 mph becoming light and variable in the evening.
Wednesday
 
Sunny, with a high near 92.
Wednesday Night
 
Mostly clear, with a low around 55.
Thursday
 
Sunny, with a high near 89.
Thursday Night
 
A chance of rain after 11pm. Mostly cloudy, with a low around 55.
Friday
 
A chance of rain, mainly before 11am. Mostly cloudy, with a high near 76.
Friday Night
 
Partly cloudy, with a low around 52.
Saturday
 
A slight chance of rain. Mostly sunny, with a high near 74.
Saturday Night
 
Mostly clear, with a low around 47.
Sunday
 
Sunny, with a high near 77.

 

Forecast from NOAA-NWS for Grants Pass OR.