10-day forecast for Alton, CA: 42° to 73°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
73°
Best day: Thursday, November 12
63° · 0.17 in
Worst day: Monday, November 9
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 0768° / 43°0
Morning47°feels 47°
Afternoon67°feels 66°
Evening53°feels 52°
Overnight43°feels 42°
68 °
Alton, Saturday, 7 November
Clear. High 68°, low 43°.
Pressure30.09 inHg
Wind2.9 mph SW
Humidity55%
Visibility6.2 mi
Dew point50°
Sun, 0862° / 52°0.14
Morning53°feels 53°
Afternoon62°feels 61°
Evening55°feels 54°
Overnight54°feels 53°
62 °
Alton, Sunday, 8 November
Rain. High 62°, low 52°.
Pressure30.15 inHg
Wind0.5 mph SE
Humidity86%
Visibility3.6 mi
Dew point57°
Mon, 0963° / 51°0.17
Morning54°feels 53°
Afternoon62°feels 62°
Evening58°feels 58°
Overnight52°feels 51°
63 °
Alton, Monday, 9 November
Rain. High 63°, low 51°.
Pressure30.09 inHg
Wind10.8 mph S
Humidity93%
Visibility3.4 mi
Dew point57°
Tue, 1069° / 53°0
Morning56°feels 56°
Afternoon67°feels 67°
Evening54°feels 54°
Overnight54°feels 54°
69 °
Alton, Tuesday, 10 November
Partly cloudy. High 69°, low 53°.
Pressure30.21 inHg
Wind2.8 mph SW
Humidity72%
Visibility3.3 mi
Dew point58°
Wed, 1173° / 51°0
Morning57°feels 56°
Afternoon70°feels 69°
Evening56°feels 55°
Overnight52°feels 51°
73 °
Alton, Wednesday, 11 November
Overcast. High 73°, low 51°.
Pressure30.03 inHg
Wind8.2 mph SE
Humidity44%
Visibility—
Dew point47°
Thu, 1273° / 52°0
Morning58°feels 56°
Afternoon70°feels 69°
Evening55°feels 54°
Overnight55°feels 53°
73 °
Alton, Thursday, 12 November
Partly cloudy. High 73°, low 52°.
Pressure29.91 inHg
Wind12 mph SE
Humidity37%
Visibility—
Dew point43°
Fri, 1373° / 52°0
Morning59°feels 57°
Afternoon70°feels 68°
Evening52°feels 51°
Overnight52°feels 50°
73 °
Alton, Friday, 13 November
Clear. High 73°, low 52°.
Pressure29.94 inHg
Wind5.4 mph NW
Humidity35%
Visibility—
Dew point41°
Sat, 1467° / 50°0
Morning55°feels 53°
Afternoon65°feels 64°
Evening54°feels 53°
Overnight53°feels 52°
67 °
Alton, Saturday, 14 November
Overcast. High 67°, low 50°.
Pressure29.88 inHg
Wind7.3 mph W
Humidity53%
Visibility—
Dew point47°
Sun, 1567° / 53°0
Morning58°feels 57°
Afternoon66°feels 65°
Evening58°feels 58°
Overnight57°feels 57°
67 °
Alton, Sunday, 15 November
Overcast. High 67°, low 53°.
Pressure29.88 inHg
Wind6.1 mph SE
Humidity48%
Visibility—
Dew point45°
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.