10-day forecast for Alton, IA: 25° to 64°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
64°
Best day: Monday, November 9
39°
Worst day: Friday, November 13
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 1060° / 35°0
Morning37°feels 37°
Afternoon60°feels 57°
Evening47°feels 43°
Overnight40°feels 37°
60 °
Alton, Tuesday, 10 November
Light rain. High 60°, low 35°.
Pressure30.12 inHg
Wind5.1 mph S
Humidity46%
Visibility6.2 mi
Dew point36°
Wed, 1154° / 42°0
Morning43°feels 36°
Afternoon54°feels 51°
Evening44°feels 41°
Overnight45°feels 39°
54 °
Alton, Wednesday, 11 November
Overcast. High 54°, low 42°.
Pressure30.06 inHg
Wind9.5 mph N
Humidity56%
Visibility6.2 mi
Dew point37°
Thu, 1242° / 36°0
Morning36°feels 29°
Afternoon41°feels 36°
Evening38°feels 32°
Overnight42°feels 37°
42 °
Alton, Thursday, 12 November
Overcast. High 42°, low 36°.
Pressure30.24 inHg
Wind8.4 mph N
Humidity71%
Visibility6.2 mi
Dew point28°
Fri, 1339° / 29°0
Morning33°feels 31°
Afternoon39°feels 39°
Evening32°feels 31°
Overnight33°feels 33°
39 °
Alton, Friday, 13 November
Overcast. High 39°, low 29°.
Pressure30.27 inHg
Wind3.9 mph NE
Humidity73%
Visibility6.2 mi
Dew point24°
Sat, 1442° / 25°0
Morning29°feels 23°
Afternoon40°feels 33°
Evening38°feels 31°
Overnight36°feels 29°
42 °
Alton, Saturday, 14 November
Partly cloudy. High 42°, low 25°.
Pressure30.24 inHg
Wind11.1 mph SE
Humidity68%
Visibility—
Dew point28°
Sun, 1555° / 37°0
Morning41°feels 36°
Afternoon50°feels 48°
Evening46°feels 42°
Overnight43°feels 38°
55 °
Alton, Sunday, 15 November
Overcast. High 55°, low 37°.
Pressure29.85 inHg
Wind11.4 mph SE
Humidity63%
Visibility—
Dew point37°
Mon, 1661° / 43°0
Morning47°feels 44°
Afternoon57°feels 55°
Evening52°feels 51°
Overnight49°feels 45°
61 °
Alton, Monday, 16 November
Overcast. High 61°, low 43°.
Pressure29.85 inHg
Wind10.8 mph SE
Humidity69%
Visibility—
Dew point45°
Tue, 1759° / 49°0
Morning53°feels 53°
Afternoon58°feels 58°
Evening57°feels 57°
Overnight55°feels 55°
59 °
Alton, Tuesday, 17 November
Light rain. High 59°, low 49°.
Pressure30.03 inHg
Wind9.3 mph SE
Humidity93%
Visibility—
Dew point55°
Wed, 1864° / 55°0.08
Morning57°feels 57°
Afternoon62°feels 62°
Evening61°feels 61°
Overnight58°feels 58°
64 °
Alton, Wednesday, 18 November
Light rain. High 64°, low 55°.
Pressure30.06 inHg
Wind15.1 mph S
Humidity77%
Visibility—
Dew point54°
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.