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

Today: Rain, mainly before 11am. Patchy fog before 8am. High near 52. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 80%.
Rain and
Patchy Fog
then Chance
Rain
 Tonight

Tonight: Rain likely, mainly after 11pm. Patchy fog after 5am. Otherwise, cloudy, with a low around 44. East southeast wind 3 to 8 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 57. Calm wind becoming south southeast 5 to 7 mph in the afternoon.
Chance Rain
and Patchy
Fog then
Mostly Cloudy
 Tuesday
Night
Tuesday Night: Mostly cloudy, with a low around 46. East southeast wind 5 to 11 mph.
Mostly Cloudy

 Wednesday

Wednesday: Rain likely, mainly after 11am. Cloudy, with a high near 58. East southeast wind around 14 mph. Chance of precipitation is 70%.
Rain Likely

 Wednesday
Night
Wednesday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 41. Chance of precipitation is 70%.
Rain Likely

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

 Thursday
Night
Thursday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.
Rain Likely

 Friday

Friday: A 50 percent chance of rain. Partly sunny, with a high near 47.
Chance Rain
Hi 52 °F Lo 44 °F Hi 57 °F Lo 46 °F Hi 58 °F Lo 41 °F Hi 56 °F Lo 40 °F Hi 47 °F

 

Today
 
 Rain, mainly before 11am. Patchy fog before 8am. High near 52. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 80%.
Tonight
 
 Rain likely, mainly after 11pm. Patchy fog after 5am. Otherwise, cloudy, with a low around 44. East southeast wind 3 to 8 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 57. Calm wind becoming south southeast 5 to 7 mph in the afternoon.
Tuesday Night
 
 Mostly cloudy, with a low around 46. East southeast wind 5 to 11 mph.
Wednesday
 
 Rain likely, mainly after 11am. Cloudy, with a high near 58. East southeast wind around 14 mph. Chance of precipitation is 70%.
Wednesday Night
 
 Rain likely, mainly before 11pm. Mostly cloudy, with a low around 41. Chance of precipitation is 70%.
Christmas Day
 
 A 50 percent chance of rain. Mostly cloudy, with a high near 56.
Thursday Night
 
 Rain likely, mainly before 11pm. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.
Friday
 
 A 50 percent chance of rain. Partly sunny, with a high near 47.
Friday Night
 
 A chance of rain before 11pm, then a slight chance of snow. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Saturday
 
 Partly sunny, with a high near 44.
Saturday Night
 
 Mostly cloudy, with a low around 27.
Sunday
 
 Mostly cloudy, with a high near 44.

 

Forecast from NOAA-NWS for Boise ID.