NWS, American, European side by side around Iowa City and nearby towns.Live rain radar →
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Next 14 hours
consensus of the three models
7-day forecast
where the models agree, and where they split
Iowa City, IA is at its warmest in Jun (average highs near 83°F) and coldest in Jan (lows around 18°F), with roughly 35 in of precipitation across the year. Below, compare what NWS, American, European forecast for Iowa City right now, and see exactly where they disagree.
Iowa City climate by month
average daytime high and overnight low across a typical year
Jan
31°
18°
Feb
45°
24°
Mar
50°
32°
Apr
62°
41°
May
75°
54°
Jun
83°
64°
Jul
82°
65°
Aug
82°
65°
Sep
79°
59°
Oct
67°
48°
Nov
50°
35°
Dec
40°
28°
Common questions
What's the weather in Iowa City today?
On this page we show what NWS, American, European each forecast for Iowa City today, side by side and updated live. When all three agree the forecast is reliable; when they split, we flag it so you know the day is genuinely less certain.
Will it rain in Iowa City today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Iowa City and flag the days where the models disagree on whether showers actually arrive, which is exactly when a single app can catch you out.
Which forecast is most accurate for Iowa City?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Iowa City forecast is reliable, and when they split you should expect surprises. See our tested US accuracy scoreboard for how the models compare.
What is the warmest month in Iowa City?
Jun is typically the warmest month in Iowa City, with average highs around 83°F.
How cold does Iowa City get?
The coldest month in Iowa City is Jan, when overnight lows average about 18°F.
How much rain does Iowa City get?
Iowa City sees roughly 35 in of precipitation a year, with Jul usually the wettest month.
The forecasts Americans check
The two biggest apps keep their model a secret, so we can't show their numbers, only link you to them. The National Weather Service is public, so its data sits right in the comparison above.