10-day forecast for Alton, IA: 34° to 67°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
65°
Best day: Sunday, November 1
67° · 0.62 in
Worst day: Monday, November 2
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 0267° / 57°0.62
Morning60°feels 60°
Afternoon64°feels 65°
Evening60°feels 60°
Overnight60°feels 60°
67 °
Alton, Monday, 2 November
Rain. High 67°, low 57°.
Pressure29.50 inHg
Wind20 mph S
Humidity93%
Visibility2.2 mi
Dew point61°
Tue, 0359° / 48°0.32
Morning53°feels 53°
Afternoon57°feels 56°
Evening49°feels 44°
Overnight55°feels 54°
59 °
Alton, Tuesday, 3 November
Rain. High 59°, low 48°.
Pressure29.59 inHg
Wind7.6 mph NE
Humidity79%
Visibility6.2 mi
Dew point51°
Wed, 0447° / 43°0.26
Morning43°feels 36°
Afternoon45°feels 39°
Evening46°feels 40°
Overnight46°feels 40°
47 °
Alton, Wednesday, 4 November
Light rain. High 47°, low 43°.
Pressure29.77 inHg
Wind15.1 mph NW
Humidity89%
Visibility4.3 mi
Dew point42°
Thu, 0555° / 42°0
Morning48°feels 44°
Afternoon52°feels 49°
Evening46°feels 43°
Overnight47°feels 42°
55 °
Alton, Thursday, 5 November
Partly cloudy. High 55°, low 42°.
Pressure30.03 inHg
Wind12.5 mph NW
Humidity56%
Visibility—
Dew point37°
Fri, 0655° / 34°0
Morning39°feels 39°
Afternoon52°feels 50°
Evening47°feels 44°
Overnight43°feels 41°
55 °
Alton, Friday, 6 November
Clear. High 55°, low 34°.
Pressure30.18 inHg
Wind6.4 mph S
Humidity65%
Visibility—
Dew point39°
Sat, 0756° / 43°0
Morning47°feels 44°
Afternoon53°feels 50°
Evening47°feels 44°
Overnight45°feels 40°
56 °
Alton, Saturday, 7 November
Overcast. High 56°, low 43°.
Pressure29.80 inHg
Wind13.8 mph NW
Humidity57%
Visibility—
Dew point38°
Sun, 0857° / 40°0
Morning44°feels 39°
Afternoon53°feels 50°
Evening51°feels 48°
Overnight47°feels 44°
57 °
Alton, Sunday, 8 November
Clear. High 57°, low 40°.
Pressure29.91 inHg
Wind9.3 mph W
Humidity48%
Visibility—
Dew point32°
Mon, 0962° / 45°0
Morning49°feels 49°
Afternoon59°feels 57°
Evening52°feels 50°
Overnight49°feels 47°
62 °
Alton, Monday, 9 November
Mostly clear. High 62°, low 45°.
Pressure29.91 inHg
Wind12.4 mph NW
Humidity48%
Visibility—
Dew point39°
Tue, 1056° / 44°0
Morning47°feels 44°
Afternoon54°feels 51°
Evening49°feels 48°
Overnight47°feels 43°
56 °
Alton, Tuesday, 10 November
Overcast. High 56°, low 44°.
Pressure30.09 inHg
Wind6.8 mph E
Humidity34%
Visibility—
Dew point26°
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, IA 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.