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CheckWeather US›Iowa City

Iowa City weather

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NWSNational Blend (NBM)
74°
Clear
Feels 77° · Wind 5 mph · Humidity 50%
AmericanNOAA GFS
76°
Clear
Feels 80° · Wind 4 mph · Humidity 42%
EuropeanECMWF
74°
Partly cloudy
Feels 77° · Wind 5 mph · Humidity 46%

Latest for Iowa City: NWS (National Blend (NBM)): 74° Clear · American (NOAA GFS): 76° Clear · European (ECMWF): 74° Partly cloudy.

The weather map: all three models at once

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°

Which forecast is most accurate in the US?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
Behind Apple Weather, Windy
88
/100rank #1
85±1.5°F96±1.2 mph8592% hitECMWF — European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
Behind Windy & many free apps
74
/100rank #2
82±1.8°F92±2.6 mph5374% hitNOAA / NCEP (United States)College Park, Maryland, USA

The CheckWeather Score blends temperature, wind and rain accuracy — each measured against ERA5 (the recorded weather) over the last 30 days across 40 cities. Lower error means a higher score. The apps you know (AccuWeather, Apple Weather, The Weather Channel) are built on these models.

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.

NWSNational Weather Service
Open model · shown above ✓AWAccuWeather
Closed model · open ↗↗TWCThe Weather Channel
Closed model · open ↗↗

Nearby

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