National Weather Service Forecast for: Lewiston ID
Issued by: National Weather Service Spokane, WA
Updated: 3:12 am PST Dec 5, 2025
 
Overnight

Overnight: Cloudy, with a low around 38. Calm wind.
Cloudy

 Friday

Friday: Rain after 7am. High near 53. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain

 Friday
Night
Friday Night: Rain, mainly before 7pm. Low around 43. Windy, with a west wind 25 to 29 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Windy. Rain
then Chance
Rain
 Saturday

Saturday: A 50 percent chance of rain. Partly sunny, with a high near 54. Breezy, with a west wind 15 to 18 mph, with gusts as high as 31 mph. New precipitation amounts of less than a tenth of an inch possible.
Chance Rain
and Breezy
 Saturday
Night
Saturday Night: A 40 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 42. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Chance Rain

 Sunday

Sunday: Rain likely, mainly after 10am. Mostly cloudy, with a high near 51. Chance of precipitation is 70%.
Rain Likely

 Sunday
Night
Sunday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 46. Chance of precipitation is 70%.
Rain Likely
then Slight
Chance Rain
 Monday

Monday: A 50 percent chance of rain. Mostly cloudy, with a high near 56.
Chance Rain

 Monday
Night
Monday Night: Rain. Low around 48. Chance of precipitation is 90%.
Rain
Lo 38 °F Hi 53 °F Lo 43 °F Hi 54 °F Lo 42 °F Hi 51 °F Lo 46 °F Hi 56 °F Lo 48 °F

 

Overnight
 
 Cloudy, with a low around 38. Calm wind.
Friday
 
 Rain after 7am. High near 53. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
 
 Rain, mainly before 7pm. Low around 43. Windy, with a west wind 25 to 29 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
 
 A 50 percent chance of rain. Partly sunny, with a high near 54. Breezy, with a west wind 15 to 18 mph, with gusts as high as 31 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
 
 A 40 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 42. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Sunday
 
 Rain likely, mainly after 10am. Mostly cloudy, with a high near 51. Chance of precipitation is 70%.
Sunday Night
 
 Rain likely, mainly before 10pm. Mostly cloudy, with a low around 46. Chance of precipitation is 70%.
Monday
 
 A 50 percent chance of rain. Mostly cloudy, with a high near 56.
Monday Night
 
 Rain. Low around 48. Chance of precipitation is 90%.
Tuesday
 
 Rain. High near 56. Chance of precipitation is 80%.
Tuesday Night
 
 Rain likely. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.
Wednesday
 
 Rain. High near 53. Chance of precipitation is 80%.
Wednesday Night
 
 Rain likely. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.
Thursday
 
 A 30 percent chance of rain. Mostly cloudy, with a high near 53.

 

Forecast from NOAA-NWS for Lewiston ID.