National Weather Service Forecast for: Lewiston ID
Issued by: National Weather Service Spokane, WA
Updated: 8:59 pm PST Dec 22, 2025
 
Tonight

Tonight: Mostly cloudy, with a low around 37. Light east wind.
Mostly Cloudy

 Tuesday

Tuesday: A 50 percent chance of rain after 10am. Cloudy, with a high near 45. Light east wind. New precipitation amounts of less than a tenth of an inch possible.
Chance Rain

 Tuesday
Night
Tuesday Night: A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 41. East wind around 5 mph.
Slight Chance
Rain then
Mostly Cloudy
 Wednesday

Wednesday: A 20 percent chance of rain. Mostly cloudy, with a high near 52. East wind 8 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph.
Slight Chance
Rain

 Wednesday
Night
Wednesday Night: A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 40. East wind 3 to 6 mph.
Slight Chance
Rain then
Mostly Cloudy
 Christmas
Day
Christmas Day: A 30 percent chance of rain after 4pm. Partly sunny, with a high near 53.
Partly Sunny
then Chance
Rain
 Thursday
Night
Thursday Night: Rain likely, mainly after 10pm. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.
Rain Likely

 Friday

Friday: A 50 percent chance of rain. Mostly cloudy, with a high near 49.
Chance Rain

 Friday
Night
Friday Night: A chance of rain before 1am, then a slight chance of rain and snow. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.
Chance Rain
then Slight
Chance
Rain/Snow
Lo 37 °F Hi 45 °F Lo 41 °F Hi 52 °F Lo 40 °F Hi 53 °F Lo 41 °F Hi 49 °F Lo 34 °F

 

Tonight
 
 Mostly cloudy, with a low around 37. Light east wind.
Tuesday
 
 A 50 percent chance of rain after 10am. Cloudy, with a high near 45. Light east wind. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
 
 A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 41. East wind around 5 mph.
Wednesday
 
 A 20 percent chance of rain. Mostly cloudy, with a high near 52. East wind 8 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph.
Wednesday Night
 
 A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 40. East wind 3 to 6 mph.
Christmas Day
 
 A 30 percent chance of rain after 4pm. Partly sunny, with a high near 53.
Thursday Night
 
 Rain likely, mainly after 10pm. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.
Friday
 
 A 50 percent chance of rain. Mostly cloudy, with a high near 49.
Friday Night
 
 A chance of rain before 1am, then a slight chance of rain and snow. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.
Saturday
 
 Partly sunny, with a high near 45.
Saturday Night
 
 Mostly cloudy, with a low around 33.
Sunday
 
 Mostly cloudy, with a high near 47.
Sunday Night
 
 Mostly cloudy, with a low around 34.
Monday
 
 Partly sunny, with a high near 48.

 

Forecast from NOAA-NWS for Lewiston ID.