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Every US forecast, compared
CheckWeather US›Juneau

Juneau weather

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AmericanNOAA GFS
52°
Overcast
Feels 51° · Wind 3 mph · Humidity 92%
EuropeanECMWF
53°
Overcast
Feels 52° · Wind 6 mph · Humidity 95%

Latest for Juneau: American (NOAA GFS): 52° Overcast · European (ECMWF): 53° Overcast.

The weather map: all three models at once

NWS, American, European side by side around Juneau 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

Juneau, AK is at its warmest in Aug (average highs near 65°F) and coldest in Feb (lows around 24°F), with roughly 135 in of precipitation across the year. Below, compare what NWS, American, European forecast for Juneau right now, and see exactly where they disagree.

Juneau climate by month

average daytime high and overnight low across a typical year
Jan
34°
26°
Feb
32°
24°
Mar
35°
26°
Apr
42°
32°
May
51°
39°
Jun
61°
49°
Jul
64°
54°
Aug
65°
53°
Sep
54°
47°
Oct
46°
38°
Nov
36°
29°
Dec
36°
29°

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 Juneau today?
On this page we show what NWS, American, European each forecast for Juneau 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 Juneau today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Juneau 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 Juneau?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Juneau 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 Juneau?
August is typically the warmest month in Juneau, with average highs around 65°F.
How cold does Juneau get?
The coldest month in Juneau is February, when overnight lows average about 24°F.
How much rain does Juneau get?
Juneau sees roughly 135 in of precipitation a year, with September 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

SitkaKetchikan

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