10-day forecast for Alton, MO: 44° to 71°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
71°
Best day: Monday, November 2
68° · 0.62 in
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0165° / 55°0.35
Morning55°feels 55°
Afternoon64°feels 64°
Evening57°feels 57°
Overnight55°feels 55°
65 °
Alton, Sunday, 1 November
Rain. High 65°, low 55°.
Pressure30.24 inHg
Wind6.9 mph E
Humidity89%
Visibility6.2 mi
Dew point57°
Mon, 0271° / 54°0
Morning58°feels 58°
Afternoon70°feels 70°
Evening66°feels 67°
Overnight58°feels 58°
71 °
Alton, Monday, 2 November
Overcast. High 71°, low 54°.
Pressure30.06 inHg
Wind9.1 mph S
Humidity75%
Visibility6.2 mi
Dew point58°
Tue, 0368° / 64°0.62
Morning65°feels 66°
Afternoon67°feels 68°
Evening65°feels 66°
Overnight66°feels 66°
68 °
Alton, Tuesday, 3 November
Rain. High 68°, low 64°.
Pressure29.85 inHg
Wind15.4 mph S
Humidity96%
Visibility3.5 mi
Dew point66°
Wed, 0464° / 51°0.28
Morning55°feels 55°
Afternoon63°feels 62°
Evening57°feels 55°
Overnight60°feels 61°
64 °
Alton, Wednesday, 4 November
Rain. High 64°, low 51°.
Pressure29.77 inHg
Wind10.1 mph W
Humidity58%
Visibility—
Dew point47°
Thu, 0565° / 45°0
Morning50°feels 47°
Afternoon62°feels 60°
Evening55°feels 54°
Overnight51°feels 50°
65 °
Alton, Thursday, 5 November
Clear. High 65°, low 45°.
Pressure29.88 inHg
Wind5.9 mph W
Humidity56%
Visibility—
Dew point44°
Fri, 0662° / 48°0
Morning52°feels 50°
Afternoon61°feels 59°
Evening52°feels 51°
Overnight50°feels 48°
62 °
Alton, Friday, 6 November
Overcast. High 62°, low 48°.
Pressure29.91 inHg
Wind9.7 mph N
Humidity53%
Visibility—
Dew point43°
Sat, 0762° / 47°0
Morning51°feels 49°
Afternoon60°feels 58°
Evening55°feels 54°
Overnight52°feels 51°
62 °
Alton, Saturday, 7 November
Overcast. High 62°, low 47°.
Pressure29.88 inHg
Wind4.6 mph NE
Humidity53%
Visibility—
Dew point42°
Sun, 0862° / 47°0
Morning51°feels 48°
Afternoon59°feels 57°
Evening53°feels 51°
Overnight49°feels 47°
62 °
Alton, Sunday, 8 November
Overcast. High 62°, low 47°.
Pressure29.88 inHg
Wind12.2 mph N
Humidity42%
Visibility—
Dew point35°
Mon, 0959° / 44°0
Morning49°feels 44°
Afternoon58°feels 57°
Evening56°feels 54°
Overnight52°feels 50°
59 °
Alton, Monday, 9 November
Overcast. High 59°, low 44°.
Pressure30.00 inHg
Wind12.2 mph N
Humidity57%
Visibility—
Dew point42°
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, MO 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.