National Weather Service Forecast for: Grants Pass OR
Issued by: National Weather Service Medford, OR
Updated: 9:41 pm PST Dec 13, 2025

Grants Pass
 
Tonight

Tonight: Patchy fog.  Otherwise, mostly cloudy, with a low around 38. Light northeast wind.
Low: 38 °F
Sunday

Sunday: Partly sunny, with a high near 50. Light and variable wind.
High: 50 °F
Sunday
Night
Sunday Night: A 30 percent chance of rain after 4am.  Mostly cloudy, with a low around 46. Northeast wind 3 to 5 mph.
Low: 46 °F
Monday

Monday: Rain, mainly after 10am.  High near 55. South southwest wind around 6 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
High: 55 °F
Monday
Night
Monday Night: Rain, mainly before 4am.  Low around 49. Light south wind.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Low: 49 °F
Tuesday

Tuesday: Rain, mainly after 10am.  High near 56. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
High: 56 °F
Tuesday
Night
Tuesday Night: Rain before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then rain likely and possibly a thunderstorm after 4am.  Low around 41. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Low: 41 °F
Wednesday

Wednesday: Rain likely, mainly before 10am.  Mostly cloudy, with a high near 49.
High: 49 °F
Wednesday
Night
Wednesday Night: Rain, mainly after 10pm.  Mostly cloudy, with a low around 41.
Low: 41 °F
Patchy Fog

Partly Sunny

Partly Cloudy
then Chance
Rain
Rain

Rain then
Rain Likely
Rain

Showers

Rain Likely

Rain

 

Tonight
 
Patchy fog. Otherwise, mostly cloudy, with a low around 38. Light northeast wind.
Sunday
 
Partly sunny, with a high near 50. Light and variable wind.
Sunday Night
 
A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 46. Northeast wind 3 to 5 mph.
Monday
 
Rain, mainly after 10am. High near 55. South southwest wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
 
Rain, mainly before 4am. Low around 49. Light south wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
 
Rain, mainly after 10am. High near 56. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
 
Rain before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then rain likely and possibly a thunderstorm after 4am. Low around 41. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
 
Rain likely, mainly before 10am. Mostly cloudy, with a high near 49.
Wednesday Night
 
Rain, mainly after 10pm. Mostly cloudy, with a low around 41.
Thursday
 
Rain. Cloudy, with a high near 52.
Thursday Night
 
Rain. Cloudy, with a low around 43.
Friday
 
Rain. Cloudy, with a high near 50.
Friday Night
 
A chance of rain. Snow level 4100 feet lowering to 3500 feet after midnight . Mostly cloudy, with a low around 37.
Saturday
 
A chance of rain. Snow level 3400 feet rising to 4000 feet in the afternoon. Mostly cloudy, with a high near 47.

 

Forecast from NOAA-NWS for Grants Pass OR.