10-day forecast for Alton, MO: 29° to 68°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
68°
Best day: Thursday, November 5
47°
Worst day: Friday, November 13
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 0660° / 44°0
Morning50°feels 46°
Afternoon60°feels 58°
Evening47°feels 45°
Overnight49°feels 46°
60 °
Alton, Friday, 6 November
Partly cloudy. High 60°, low 44°.
Pressure30.15 inHg
Wind8.5 mph N
Humidity54%
Visibility6.2 mi
Dew point44°
Sat, 0757° / 37°0
Morning42°feels 40°
Afternoon57°feels 54°
Evening43°feels 42°
Overnight40°feels 37°
57 °
Alton, Saturday, 7 November
Overcast. High 57°, low 37°.
Pressure30.27 inHg
Wind2.9 mph N
Humidity45%
Visibility6.2 mi
Dew point34°
Sun, 0862° / 34°0
Morning41°feels 41°
Afternoon63°feels 61°
Evening47°feels 46°
Overnight36°feels 36°
62 °
Alton, Sunday, 8 November
Clear. High 62°, low 34°.
Pressure30.24 inHg
Wind3.7 mph W
Humidity51%
Visibility6.2 mi
Dew point42°
Mon, 0966° / 40°0
Morning48°feels 48°
Afternoon63°feels 61°
Evening52°feels 50°
Overnight41°feels 38°
66 °
Alton, Monday, 9 November
Clear. High 66°, low 40°.
Pressure30.21 inHg
Wind5.3 mph NW
Humidity50%
Visibility—
Dew point42°
Tue, 1067° / 43°0
Morning49°feels 48°
Afternoon65°feels 64°
Evening55°feels 54°
Overnight50°feels 49°
67 °
Alton, Tuesday, 10 November
Clear. High 67°, low 43°.
Pressure30.12 inHg
Wind5.5 mph SW
Humidity52%
Visibility—
Dew point45°
Wed, 1167° / 47°0
Morning53°feels 51°
Afternoon65°feels 63°
Evening56°feels 53°
Overnight50°feels 47°
67 °
Alton, Wednesday, 11 November
Clear. High 67°, low 47°.
Pressure30.03 inHg
Wind8.3 mph NE
Humidity50%
Visibility—
Dew point45°
Thu, 1251° / 37°0
Morning43°feels 39°
Afternoon50°feels 47°
Evening42°feels 36°
Overnight38°feels 33°
51 °
Alton, Thursday, 12 November
Overcast. High 51°, low 37°.
Pressure30.18 inHg
Wind11.2 mph N
Humidity47%
Visibility—
Dew point30°
Fri, 1347° / 29°0
Morning34°feels 28°
Afternoon44°feels 40°
Evening37°feels 34°
Overnight34°feels 29°
47 °
Alton, Friday, 13 November
Clear. High 47°, low 29°.
Pressure30.30 inHg
Wind8.6 mph N
Humidity34%
Visibility—
Dew point16°
Sat, 1453° / 30°0
Morning36°feels 32°
Afternoon50°feels 46°
Evening41°feels 40°
Overnight37°feels 36°
53 °
Alton, Saturday, 14 November
Clear. High 53°, low 30°.
Pressure30.27 inHg
Wind4.4 mph N
Humidity32%
Visibility—
Dew point20°
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.