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Every US forecast, compared
CheckWeather US›Olympia

Olympia weather

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NWSNational Blend (NBM)
59°
Partly cloudy
Feels 60° · Wind 2 mph · Humidity 93%
AmericanNOAA GFS
61°
Mainly clear
Feels 61° · Wind 4 mph · Humidity 83%
EuropeanECMWF
61°
Overcast
Feels 62° · Wind 4 mph · Humidity 93%

Latest for Olympia: NWS (National Blend (NBM)): 59° Partly cloudy · American (NOAA GFS): 61° Mainly clear · European (ECMWF): 61° Overcast.

The weather map: all three models at once

NWS, American, European side by side around Olympia 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

Olympia, WA is at its warmest in Jul (average highs near 82°F) and coldest in Jan (lows around 36°F), with roughly 46 in of precipitation across the year. Below, compare what NWS, American, European forecast for Olympia right now, and see exactly where they disagree.

Olympia climate by month

average daytime high and overnight low across a typical year
Jan
46°
36°
Feb
48°
36°
Mar
52°
36°
Apr
56°
40°
May
67°
47°
Jun
71°
50°
Jul
82°
55°
Aug
80°
56°
Sep
72°
52°
Oct
61°
45°
Nov
50°
39°
Dec
49°
39°

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 Olympia today?
On this page we show what NWS, American, European each forecast for Olympia 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 Olympia today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Olympia 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 Olympia?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Olympia 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 Olympia?
July is typically the warmest month in Olympia, with average highs around 82°F.
How cold does Olympia get?
The coldest month in Olympia is January, when overnight lows average about 36°F.
How much rain does Olympia get?
Olympia sees roughly 46 in of precipitation a year, with December 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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