National Weather Service Forecast for: 18 Miles WNW Quincy CA
Issued by: National Weather Service Sacramento, CA
Updated: 11:31 pm PDT Aug 19, 2026
 
Overnight

Overnight: Mostly clear, with a low around 61. Calm wind.
Mostly Clear
 Thursday

Thursday: Increasing clouds, with a high near 91. Calm wind becoming southwest 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph.
Increasing
Clouds
 Thursday
Night
Thursday Night: Mostly cloudy, with a low around 63. Light and variable wind.
Mostly Cloudy
 Friday

Friday: Partly sunny, with a high near 89. Calm wind becoming south southwest 5 to 8 mph in the afternoon. Winds could gust as high as 24 mph.
Partly Sunny
 Friday
Night
Friday Night: Mostly clear, with a low around 61. South southwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 23 mph.
Mostly Clear
 Saturday

Saturday: Sunny, with a high near 86.
Sunny
 Saturday
Night
Saturday Night: Mostly clear, with a low around 57.
Mostly Clear
 Sunday

Sunday: Sunny, with a high near 87.
Sunny
 Sunday
Night
Sunday Night: Partly cloudy, with a low around 60.
Partly Cloudy
Lo 61 °F Hi 91 °F Lo 63 °F Hi 89 °F Lo 61 °F Hi 86 °F Lo 57 °F Hi 87 °F Lo 60 °F

 

Overnight
 
 Mostly clear, with a low around 61. Calm wind.
Thursday
 
 Increasing clouds, with a high near 91. Calm wind becoming southwest 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
 
 Mostly cloudy, with a low around 63. Light and variable wind.
Friday
 
 Partly sunny, with a high near 89. Calm wind becoming south southwest 5 to 8 mph in the afternoon. Winds could gust as high as 24 mph.
Friday Night
 
 Mostly clear, with a low around 61. South southwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 23 mph.
Saturday
 
 Sunny, with a high near 86.
Saturday Night
 
 Mostly clear, with a low around 57.
Sunday
 
 Sunny, with a high near 87.
Sunday Night
 
 Partly cloudy, with a low around 60.
Monday
 
 Mostly sunny, with a high near 87.
Monday Night
 
 Partly cloudy, with a low around 59.
Tuesday
 
 Sunny, with a high near 87.
Tuesday Night
 
 Partly cloudy, with a low around 58.
Wednesday
 
 Sunny, with a high near 87.

 

Forecast from NOAA-NWS for 18 Miles WNW Quincy CA.