National Weather Service Forecast for: Boise ID
Issued by: National Weather Service Boise, ID
Updated: 2:04 pm MST Dec 22, 2025
 
Tonight

Tonight: Rain likely, mainly after 11pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 43. East southeast wind 3 to 6 mph. Chance of precipitation is 70%.
Rain Likely
and Patchy
Fog
 Tuesday

Tuesday: A 30 percent chance of rain before 11am. Patchy fog before 8am. Otherwise, cloudy, with a high near 56. Light and variable wind becoming east southeast around 6 mph in the afternoon.
Chance Rain
and Patchy
Fog then
Cloudy
 Tuesday
Night
Tuesday Night: Mostly cloudy, with a low around 45. Southeast wind 5 to 9 mph.
Mostly Cloudy

 Wednesday

Wednesday: Rain, mainly after 11am. High near 57. East southeast wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain

 Wednesday
Night
Wednesday Night: Rain. Low around 43. East southeast wind 5 to 9 mph becoming light and variable in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Rain

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

 Thursday
Night
Thursday Night: Rain, mainly before 11pm. Low around 38. Chance of precipitation is 90%.
Rain then
Chance Rain

 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 2am, then a slight chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Chance Rain
then Slight
Chance
Rain/Snow
Lo 43 °F Hi 56 °F Lo 45 °F Hi 57 °F Lo 43 °F Hi 56 °F Lo 38 °F Hi 49 °F Lo 30 °F

 

Tonight
 
 Rain likely, mainly after 11pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 43. East southeast wind 3 to 6 mph. Chance of precipitation is 70%.
Tuesday
 
 A 30 percent chance of rain before 11am. Patchy fog before 8am. Otherwise, cloudy, with a high near 56. Light and variable wind becoming east southeast around 6 mph in the afternoon.
Tuesday Night
 
 Mostly cloudy, with a low around 45. Southeast wind 5 to 9 mph.
Wednesday
 
 Rain, mainly after 11am. High near 57. East southeast wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
 
 Rain. Low around 43. East southeast wind 5 to 9 mph becoming light and variable in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Christmas Day
 
 A 50 percent chance of rain. Mostly cloudy, with a high near 56.
Thursday Night
 
 Rain, mainly before 11pm. Low around 38. Chance of precipitation is 90%.
Friday
 
 A 50 percent chance of rain. Mostly cloudy, with a high near 49.
Friday Night
 
 A chance of rain before 2am, then a slight chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Saturday
 
 Partly sunny, with a high near 42.
Saturday Night
 
 Mostly cloudy, with a low around 26.
Sunday
 
 Partly sunny, with a high near 42.
Sunday Night
 
 Mostly cloudy, with a low around 26.
Monday
 
 Mostly sunny, with a high near 44.

 

Forecast from NOAA-NWS for Boise ID.