10-day forecast for Alton, IA: 39° to 68°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
62°
Best day: Sunday, November 1
68° · 0.61 in
Worst day: Monday, November 2
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 0268° / 56°0.61
Morning60°feels 60°
Afternoon68°feels 69°
Evening60°feels 60°
Overnight58°feels 58°
68 °
Alton, Monday, 2 November
Rain. High 68°, low 56°.
Pressure29.56 inHg
Wind21.7 mph S
Humidity86%
Visibility6.2 mi
Dew point60°
Tue, 0356° / 47°0.13
Morning55°feels 55°
Afternoon53°feels 52°
Evening47°feels 42°
Overnight54°feels 54°
56 °
Alton, Tuesday, 3 November
Light rain. High 56°, low 47°.
Pressure29.68 inHg
Wind13.2 mph NW
Humidity79%
Visibility4.9 mi
Dew point47°
Wed, 0446° / 44°0.11
Morning44°feels 37°
Afternoon45°feels 38°
Evening44°feels 37°
Overnight46°feels 41°
46 °
Alton, Wednesday, 4 November
Light rain. High 46°, low 44°.
Pressure29.65 inHg
Wind15.6 mph W
Humidity79%
Visibility6.2 mi
Dew point39°
Thu, 0550° / 43°0.05
Morning44°feels 38°
Afternoon48°feels 43°
Evening48°feels 43°
Overnight44°feels 37°
50 °
Alton, Thursday, 5 November
Light rain. High 50°, low 43°.
Pressure29.88 inHg
Wind13.6 mph NW
Humidity70%
Visibility6.2 mi
Dew point37°
Fri, 0649° / 43°0
Morning45°feels 41°
Afternoon48°feels 45°
Evening46°feels 45°
Overnight45°feels 44°
49 °
Alton, Friday, 6 November
Overcast. High 49°, low 43°.
Pressure30.15 inHg
Wind8.2 mph NW
Humidity67%
Visibility—
Dew point37°
Sat, 0755° / 39°0
Morning43°feels 42°
Afternoon51°feels 49°
Evening48°feels 44°
Overnight44°feels 41°
55 °
Alton, Saturday, 7 November
Overcast. High 55°, low 39°.
Pressure30.00 inHg
Wind7.6 mph S
Humidity60%
Visibility—
Dew point37°
Sun, 0855° / 40°0
Morning43°feels 40°
Afternoon51°feels 49°
Evening47°feels 45°
Overnight44°feels 40°
55 °
Alton, Sunday, 8 November
Partly cloudy. High 55°, low 40°.
Pressure30.21 inHg
Wind8.9 mph SW
Humidity55%
Visibility—
Dew point35°
Mon, 0961° / 42°0
Morning47°feels 44°
Afternoon58°feels 55°
Evening51°feels 49°
Overnight47°feels 43°
61 °
Alton, Monday, 9 November
Clear. High 61°, low 42°.
Pressure29.97 inHg
Wind9.8 mph NW
Humidity39%
Visibility—
Dew point32°
Tue, 1057° / 40°0
Morning44°feels 40°
Afternoon53°feels 51°
Evening49°feels 48°
Overnight46°feels 44°
57 °
Alton, Tuesday, 10 November
Partly cloudy. High 57°, low 40°.
Pressure30.15 inHg
Wind7.4 mph NW
Humidity40%
Visibility—
Dew point29°
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.