10-day forecast for Ion, IA: 23° to 58°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
53°
Best day: Wednesday, November 18
58° · 1.2 in
Worst day: Saturday, November 21
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 1442° / 25°0
Morning29°feels 24°
Afternoon42°feels 41°
Evening29°feels 29°
Overnight26°feels 21°
42 °
Ion, Saturday, 14 November
Clear. High 42°, low 25°.
Pressure30.33 inHg
Wind2.5 mph NW
Humidity67%
Visibility6.2 mi
Dew point26°
Sun, 1546° / 25°0
Morning28°feels 28°
Afternoon46°feels 44°
Evening32°feels 28°
Overnight28°feels 28°
46 °
Ion, Sunday, 15 November
Clear. High 46°, low 25°.
Pressure30.47 inHg
Wind3.7 mph SW
Humidity60%
Visibility6.2 mi
Dew point28°
Mon, 1649° / 30°0
Morning32°feels 25°
Afternoon49°feels 45°
Evening39°feels 32°
Overnight30°feels 25°
49 °
Ion, Monday, 16 November
Overcast. High 49°, low 30°.
Pressure30.45 inHg
Wind9 mph SW
Humidity58%
Visibility6.2 mi
Dew point33°
Tue, 1753° / 34°0
Morning38°feels 33°
Afternoon52°feels 49°
Evening45°feels 39°
Overnight37°feels 30°
53 °
Ion, Tuesday, 17 November
Overcast. High 53°, low 34°.
Pressure30.36 inHg
Wind9.8 mph S
Humidity56%
Visibility6.2 mi
Dew point36°
Wed, 1853° / 38°0
Morning42°feels 36°
Afternoon51°feels 48°
Evening51°feels 48°
Overnight49°feels 46°
53 °
Ion, Wednesday, 18 November
Overcast. High 53°, low 38°.
Pressure30.15 inHg
Wind14.6 mph S
Humidity57%
Visibility—
Dew point34°
Thu, 1952° / 41°0
Morning52°feels 50°
Afternoon50°feels 48°
Evening43°feels 42°
Overnight43°feels 43°
52 °
Ion, Thursday, 19 November
Overcast. High 52°, low 41°.
Pressure30.21 inHg
Wind15.1 mph S
Humidity57%
Visibility—
Dew point37°
Fri, 2058° / 36°0.11
Morning39°feels 34°
Afternoon49°feels 45°
Evening56°feels 56°
Overnight53°feels 52°
58 °
Ion, Friday, 20 November
Light rain. High 58°, low 36°.
Pressure30.12 inHg
Wind19.5 mph S
Humidity87%
Visibility—
Dew point42°
Sat, 2158° / 34°1.2
Morning55°feels 55°
Afternoon48°feels 46°
Evening36°feels 25°
Overnight39°feels 30°
58 °
Ion, Saturday, 21 November
Snow. High 58°, low 34°.
Pressure29.71 inHg
Wind22.1 mph NW
Humidity93%
Visibility—
Dew point50°
Sun, 2231° / 23°0
Morning26°feels 13°
Afternoon28°feels 16°
Evening24°feels 12°
Overnight23°feels 11°
31 °
Ion, Sunday, 22 November
Partly cloudy. High 31°, low 23°.
Pressure30.24 inHg
Wind16.6 mph NW
Humidity49%
Visibility—
Dew point11°
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 Ion, 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.