National Weather Service Forecast for: Weiser ID
Issued by: National Weather Service Boise, ID
Updated: 2:04 am MST Dec 5, 2025
 
Overnight

Overnight: Rain. Low around 30. Calm wind. Chance of precipitation is 80%.
Rain

 Friday

Friday: Rain. Patchy fog between 8am and 11am. High near 41. Calm wind. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain and
Patchy Fog
 Friday
Night
Friday Night: Rain likely before 11pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 35. Calm wind. Chance of precipitation is 70%.
Rain Likely
then Patchy
Fog
 Saturday

Saturday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 50. Light west wind.
Patchy Fog
then Partly
Sunny
 Saturday
Night
Saturday Night: Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 30. Calm wind.
Patchy Fog

 Sunday

Sunday: A 50 percent chance of rain. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 45.
Chance Rain
and Areas Fog
 Sunday
Night
Sunday Night: Rain likely, mainly before 11pm. Areas of fog after 8pm. Otherwise, mostly cloudy, with a low around 32. Chance of precipitation is 60%.
Rain Likely
and Areas Fog
 Monday

Monday: A 30 percent chance of rain, mainly after 11am. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 47.
Chance Rain
and Patchy
Fog
 Monday
Night
Monday Night: Rain likely, mainly after 11pm. Patchy fog. Otherwise, mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Rain Likely
and Patchy
Fog
Lo 30 °F Hi 41 °F Lo 35 °F Hi 50 °F Lo 30 °F Hi 45 °F Lo 32 °F Hi 47 °F Lo 37 °F

 

Overnight
 
 Rain. Low around 30. Calm wind. Chance of precipitation is 80%.
Friday
 
 Rain. Patchy fog between 8am and 11am. High near 41. Calm wind. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
 
 Rain likely before 11pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 35. Calm wind. Chance of precipitation is 70%.
Saturday
 
 Patchy fog before 8am. Otherwise, partly sunny, with a high near 50. Light west wind.
Saturday Night
 
 Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 30. Calm wind.
Sunday
 
 A 50 percent chance of rain. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 45.
Sunday Night
 
 Rain likely, mainly before 11pm. Areas of fog after 8pm. Otherwise, mostly cloudy, with a low around 32. Chance of precipitation is 60%.
Monday
 
 A 30 percent chance of rain, mainly after 11am. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 47.
Monday Night
 
 Rain likely, mainly after 11pm. Patchy fog. Otherwise, mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Tuesday
 
 Rain likely, mainly before 11am. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 51. Chance of precipitation is 70%.
Tuesday Night
 
 Rain likely. Patchy fog. Otherwise, mostly cloudy, with a low around 37. Chance of precipitation is 70%.
Wednesday
 
 Rain likely. Patchy fog. Otherwise, mostly cloudy, with a high near 48. Chance of precipitation is 70%.
Wednesday Night
 
 Rain likely. Patchy fog. Otherwise, mostly cloudy, with a low around 34. Chance of precipitation is 60%.
Thursday
 
 A 30 percent chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 51.

 

Forecast from NOAA-NWS for Weiser ID.