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CheckWeather USKetchikan

Ketchikan weather

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Ketchikan weather alerts and warnings

active National Weather Service watches, warnings and advisories

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Ketchikan weather in numbers

from 30 years of measured normals

Ketchikan swings 39°F across the year, from 68°F highs in July to 29°F lows in February, and December is usually the wettest month in a year that brings about 146 in of precipitation.

Warmest month
July
68°F average high
Coldest month
February
29°F average low
Wettest month
December
146 in a year
Below freezing
3 months
January, February and March
Comfortable
3 months
June, July and August
Residents
8,197
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The weather map: all three models at once

NWS, American, European side by side around Ketchikan and nearby towns.Live rain radar →
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Ketchikan hourly forecast: next 14 hours

consensus of the three models

Rain in the next 24 hours, model by model

each model's own hourly precipitation, side by side

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Ketchikan 10-day forecast, out to 14 days

where the models agree, and where they split

Ketchikan, Alaska (AK) is at its warmest in Jul (average highs near 68°F) and coldest in Feb (lows around 29°F), with roughly 146 in of precipitation across the year. Below, compare what NWS, American, European forecast for Ketchikan right now, and see exactly where they disagree.

We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in United States before you trust any single number.

Ketchikan climate by month

average daytime high and overnight low across a typical year
Jan
38°
30°
Feb
38°
29°
Mar
43°
30°
Apr
47°
35°
May
57°
44°
Jun
62°
49°
Jul
68°
54°
Aug
68°
55°
Sep
58°
49°
Oct
50°
41°
Nov
43°
35°
Dec
41°
35°

Which forecast is most accurate in the US?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
89
/100rank #1
88±1.2°F96±1.2 mph8491% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
73
/100rank #2
82±1.8°F93±2.3 mph4972% 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 1999 cities. Lower error means a higher score. See which forecast model is most accurate in United States, how we measure forecast accuracy, or which model each weather app uses.

What do you think of the forecasts?

your vote counts

The accuracy above is the measured record. This is your opinion: which forecast service do you trust most in United States? Give each 1 to 5 stars.

NWSNational Blend (NBM)
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AmericanNOAA GFS
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EuropeanECMWF
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One vote per service. Anonymous: we store no personal data, only a one-way hash of your connection for a day to stop double votes.

Common questions

What's the weather in Ketchikan today?
On this page we show what NWS, American, European each forecast for Ketchikan 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 Ketchikan today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Ketchikan 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 Ketchikan?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Ketchikan 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 Ketchikan?
July is typically the warmest month in Ketchikan, with average highs around 68°F.
How cold does Ketchikan get?
The coldest month in Ketchikan is February, when overnight lows average about 29°F.
How much rain does Ketchikan get?
Ketchikan sees roughly 146 in of precipitation a year, with December usually the wettest month.

Nearby

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