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

Today: A 50 percent chance of rain, mainly before 11am.  Areas of fog before 2pm.  Otherwise, mostly cloudy, with a high near 46. Light and variable wind.
Chance Rain
and Areas Fog

Tonight

Tonight: Rain likely, mainly after 11pm.  Patchy fog after 8pm.  Otherwise, cloudy, with a low around 38. North northeast wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 60%.
Rain Likely
and Patchy
Fog

Tuesday

Tuesday: Rain, mainly before 11am.  Areas of fog. High near 48. Calm wind becoming north around 5 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain and
Areas Fog
then Chance
Rain and
Areas Fog
Tuesday
Night
Tuesday Night: Patchy fog before 2am.  Otherwise, cloudy, with a low around 39. North wind around 5 mph becoming calm  in the evening.
Patchy Fog


Wednesday

Wednesday: Rain.  High near 52. South southeast wind 5 to 9 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain


Wednesday
Night
Wednesday Night: Rain likely, mainly before 11pm.  Patchy fog after 11pm.  Otherwise, mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Rain Likely
and Patchy
Fog

Christmas
Day
Christmas Day: Rain likely.  Patchy fog before 11am.  Otherwise, mostly cloudy, with a high near 48. Chance of precipitation is 70%.
Rain Likely
and Patchy
Fog

Thursday
Night
Thursday Night: Rain likely, mainly before 11pm.  Mostly cloudy, with a low around 35. Chance of precipitation is 70%.
Rain Likely


Friday

Friday: Rain likely, mainly before 11am.  Patchy fog between 8am and 11am.  Otherwise, mostly cloudy, with a high near 44. Chance of precipitation is 60%.
Rain Likely
and Patchy
Fog

Hi 46 °F Lo 38 °F Hi 48 °F Lo 39 °F Hi 52 °F Lo 37 °F Hi 48 °F Lo 35 °F Hi 44 °F

 

Today
 
A 50 percent chance of rain, mainly before 11am. Areas of fog before 2pm. Otherwise, mostly cloudy, with a high near 46. Light and variable wind.
Tonight
 
Rain likely, mainly after 11pm. Patchy fog after 8pm. Otherwise, cloudy, with a low around 38. North northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.
Tuesday
 
Rain, mainly before 11am. Areas of fog. High near 48. Calm wind becoming north around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
 
Patchy fog before 2am. Otherwise, cloudy, with a low around 39. North wind around 5 mph becoming calm in the evening.
Wednesday
 
Rain. High near 52. South southeast wind 5 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
 
Rain likely, mainly before 11pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Christmas Day
 
Rain likely. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 48. Chance of precipitation is 70%.
Thursday Night
 
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 35. Chance of precipitation is 70%.
Friday
 
Rain likely, mainly before 11am. Patchy fog between 8am and 11am. Otherwise, mostly cloudy, with a high near 44. Chance of precipitation is 60%.
Friday Night
 
A chance of rain before 11pm, then a slight chance of rain and snow between 11pm and 2am, then a slight chance of snow after 2am. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 26. Chance of precipitation is 30%.
Saturday
 
Patchy fog. Otherwise, partly sunny, with a high near 41.
Saturday Night
 
Patchy fog. Otherwise, mostly cloudy, with a low around 25.
Sunday
 
Patchy fog. Otherwise, mostly cloudy, with a high near 40.

 

Forecast from NOAA-NWS for Weiser ID.