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CheckWeather US›Ann Arbor

Ann Arbor weather

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NWSNational Blend (NBM)
78°
Clear
Feels 81° · Wind 2 mph · Humidity 36%
AmericanNOAA GFS
77°
Clear
Feels 76° · Wind 4 mph · Humidity 23%
EuropeanECMWF
75°
Clear
Feels 78° · Wind 1 mph · Humidity 36%

Latest for Ann Arbor: NWS (National Blend (NBM)): 78° Clear · American (NOAA GFS): 77° Clear · European (ECMWF): 75° Clear.

The weather map: all three models at once

NWS, American, European side by side around Ann Arbor 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

Ann Arbor, MI is at its warmest in Jul (average highs near 81°F) and coldest in Jan (lows around 23°F), with roughly 35 in of precipitation across the year. Below, compare what NWS, American, European forecast for Ann Arbor right now, and see exactly where they disagree.

Ann Arbor climate by month

average daytime high and overnight low across a typical year
Jan
34°
23°
Feb
43°
25°
Mar
47°
29°
Apr
60°
39°
May
71°
49°
Jun
79°
59°
Jul
81°
63°
Aug
79°
61°
Sep
75°
57°
Oct
62°
46°
Nov
49°
36°
Dec
40°
30°

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 Ann Arbor today?
On this page we show what NWS, American, European each forecast for Ann Arbor 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 Ann Arbor today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Ann Arbor 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 Ann Arbor?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Ann Arbor 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 Ann Arbor?
Jul is typically the warmest month in Ann Arbor, with average highs around 81°F.
How cold does Ann Arbor get?
The coldest month in Ann Arbor is Jan, when overnight lows average about 23°F.
How much rain does Ann Arbor get?
Ann Arbor 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 ↗↗

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