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CheckWeather USWest Lake Sammamish

West Lake Sammamish weather

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The weather map: all three models at once

NWS, American, European side by side around West Lake Sammamish and nearby towns.Live rain radar →
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Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split

West Lake Sammamish, WA is at its warmest in Jul (average highs near 80°F) and coldest in Feb (lows around 35°F), with roughly 57 in of precipitation across the year. Below, compare what NWS, American, European forecast for West Lake Sammamish 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.

West Lake Sammamish climate by month

average daytime high and overnight low across a typical year
Jan
47°
36°
Feb
47°
35°
Mar
53°
36°
Apr
56°
40°
May
66°
48°
Jun
71°
51°
Jul
80°
57°
Aug
79°
58°
Sep
70°
54°
Oct
61°
47°
Nov
51°
40°
Dec
50°
39°

Which forecast is most accurate in West Lake Sammamish?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
92
/100rank #1
91±0.9°F97±1.0 mph8994% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
88
/100rank #2
82±1.8°F97±1.0 mph8994% 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.

Common questions

What's the weather in West Lake Sammamish today?
On this page we show what NWS, American, European each forecast for West Lake Sammamish 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 West Lake Sammamish today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for West Lake Sammamish 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 West Lake Sammamish?
Over the last 30 days, the European model has been the most accurate for West Lake Sammamish (CheckWeather Score 92/100), ahead of the American at 88. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in West Lake Sammamish?
July is typically the warmest month in West Lake Sammamish, with average highs around 80°F.
How cold does West Lake Sammamish get?
The coldest month in West Lake Sammamish is February, when overnight lows average about 35°F.
How much rain does West Lake Sammamish get?
West Lake Sammamish sees roughly 57 in of precipitation a year, with December usually the wettest month.

Nearby

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