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

Today: Rain likely, mainly before 11am. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 50. Calm wind becoming east southeast around 5 mph. Chance of precipitation is 60%.
Rain Likely
and Areas Fog
then Slight
Chance Rain
 Tonight

Tonight: Rain likely, mainly after 11pm. Cloudy, with a low around 40. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.
Rain Likely

 Tuesday

Tuesday: A 40 percent chance of rain before 11am. Patchy fog before 11am. Otherwise, cloudy, with a high near 51. Light and variable wind.
Chance Rain
and Patchy
Fog then
Mostly Cloudy
 Tuesday
Night
Tuesday Night: Mostly cloudy, with a low around 42. North northwest wind 5 to 8 mph becoming southeast in the evening.
Mostly Cloudy

 Wednesday

Wednesday: Rain likely, mainly after 11am. Cloudy, with a high near 56. South southeast wind 9 to 16 mph. Chance of precipitation is 60%.
Rain Likely

 Wednesday
Night
Wednesday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Rain Likely

 Christmas
Day
Christmas Day: A 40 percent chance of rain. Partly sunny, with a high near 53.
Chance Rain

 Thursday
Night
Thursday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Rain Likely

 Friday

Friday: A 40 percent chance of rain. Partly sunny, with a high near 47.
Chance Rain
Hi 50 °F Lo 40 °F Hi 51 °F Lo 42 °F Hi 56 °F Lo 39 °F Hi 53 °F Lo 37 °F Hi 47 °F

 

Today
 
 Rain likely, mainly before 11am. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 50. Calm wind becoming east southeast around 5 mph. Chance of precipitation is 60%.
Tonight
 
 Rain likely, mainly after 11pm. Cloudy, with a low around 40. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.
Tuesday
 
 A 40 percent chance of rain before 11am. Patchy fog before 11am. Otherwise, cloudy, with a high near 51. Light and variable wind.
Tuesday Night
 
 Mostly cloudy, with a low around 42. North northwest wind 5 to 8 mph becoming southeast in the evening.
Wednesday
 
 Rain likely, mainly after 11am. Cloudy, with a high near 56. South southeast wind 9 to 16 mph. Chance of precipitation is 60%.
Wednesday Night
 
 Rain likely, mainly before 11pm. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Christmas Day
 
 A 40 percent chance of rain. Partly sunny, with a high near 53.
Thursday Night
 
 Rain likely, mainly before 11pm. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Friday
 
 A 40 percent chance of rain. Partly sunny, with a high near 47.
Friday Night
 
 A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 27.
Saturday
 
 Patchy fog. Otherwise, partly sunny, with a high near 42.
Saturday Night
 
 Patchy fog. Otherwise, mostly cloudy, with a low around 25.
Sunday
 
 Patchy fog. Otherwise, mostly cloudy, with a high near 41.

 

Forecast from NOAA-NWS for Caldwell ID.