10-day forecast for Alton, CA: 42° to 78°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
78°
Best day: Tuesday, November 10
62° · 0.27 in
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 0263° / 44°0
Morning49°feels 47°
Afternoon63°feels 63°
Evening52°feels 52°
Overnight44°feels 40°
63 °
Alton, Monday, 2 November
Overcast. High 63°, low 44°.
Pressure30.12 inHg
Wind4.8 mph W
Humidity71%
Visibility3.4 mi
Dew point50°
Tue, 0362° / 45°0.27
Morning50°feels 50°
Afternoon61°feels 60°
Evening50°feels 49°
Overnight50°feels 47°
62 °
Alton, Tuesday, 3 November
Rain. High 62°, low 45°.
Pressure30.00 inHg
Wind6.1 mph E
Humidity89%
Visibility3.9 mi
Dew point53°
Wed, 0461° / 42°0
Morning46°feels 41°
Afternoon59°feels 58°
Evening48°feels 48°
Overnight43°feels 39°
61 °
Alton, Wednesday, 4 November
Overcast. High 61°, low 42°.
Pressure30.12 inHg
Wind6.1 mph NW
Humidity60%
Visibility6.2 mi
Dew point47°
Thu, 0559° / 44°0
Morning48°feels 47°
Afternoon58°feels 57°
Evening49°feels 49°
Overnight48°feels 47°
59 °
Alton, Thursday, 5 November
Clear. High 59°, low 44°.
Pressure30.18 inHg
Wind4.4 mph NW
Humidity73%
Visibility2.8 mi
Dew point50°
Fri, 0663° / 45°0
Morning50°feels 48°
Afternoon61°feels 60°
Evening52°feels 51°
Overnight49°feels 48°
63 °
Alton, Friday, 6 November
Partly cloudy. High 63°, low 45°.
Pressure30.21 inHg
Wind5.1 mph NW
Humidity56%
Visibility—
Dew point44°
Sat, 0770° / 47°0
Morning53°feels 53°
Afternoon67°feels 66°
Evening53°feels 51°
Overnight52°feels 50°
70 °
Alton, Saturday, 7 November
Clear. High 70°, low 47°.
Pressure30.03 inHg
Wind5.1 mph NW
Humidity49%
Visibility—
Dew point47°
Sun, 0873° / 52°0
Morning58°feels 56°
Afternoon70°feels 69°
Evening57°feels 56°
Overnight57°feels 56°
73 °
Alton, Sunday, 8 November
Mostly clear. High 73°, low 52°.
Pressure30.06 inHg
Wind6.7 mph NW
Humidity40%
Visibility—
Dew point45°
Mon, 0976° / 58°0
Morning64°feels 62°
Afternoon74°feels 73°
Evening64°feels 62°
Overnight62°feels 60°
76 °
Alton, Monday, 9 November
Overcast. High 76°, low 58°.
Pressure29.97 inHg
Wind6.1 mph SE
Humidity25%
Visibility—
Dew point36°
Tue, 1078° / 55°0
Morning62°feels 60°
Afternoon75°feels 74°
Evening62°feels 60°
Overnight60°feels 58°
78 °
Alton, Tuesday, 10 November
Clear. High 78°, low 55°.
Pressure29.94 inHg
Wind9.6 mph SW
Humidity22%
Visibility—
Dew point33°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Alton, CA around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.