Skip to main content
Every US forecast, compared
checkweather.io
CheckWeather USOlympia
Forecast confidence: High · models disagree by 4°F

Olympia weather

Loading live data…

Light drizzle,much the same tomorrow

NWS, the American and the European model agree on a high near 71° in Olympia today. Tomorrow looks cloudy around 75°, with a 10% chance of rain.

71°50°
75°52°
70°53°
76°51°
82°52°
73°53°
Todaymodels agreeTomorrowmodels agreeMondaymodels agreeTuesdaysplit ±5°Wednesdaymodels agreeThursdaysplit ±8°
NWSNational Blend (NBM)
71°
Light drizzle
Today 71°·Low 50°·Rain 12%
AmericanNOAA GFS
73°
Fog
Today 73°·Low 48°·Rain 12%
EuropeanECMWF
69°
Light drizzle
Today 69°·Low 51°·Rain 51%

The weather map: all three models at once

NWS, American, European side by side around Olympia and nearby towns.Live rain radar →
Loading the three model maps…

Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split
Today
Light drizzle
71° 50°
models agree
Tomorrow
Cloudy
75° 52°
models agree
Mon
Light drizzle
70° 53°
models agree
Tue
Partly cloudy
76° 51°
±5°
Wed
Cloudy
82° 52°
models agree
Thu
Cloudy
73° 53°
±8°
Fri
Light drizzle
72° 52°
±7°
Sat
Partly cloudy
75° 52°
±8°
Sun
Clear
79° 52°
±8°
Mon
Partly cloudy
81° 53°
±15°
Tue
Cloudy
76° 54°
±11°
Wed
Cloudy
75° 52°
models agree
Thu
Light drizzle
70° 52°
models agree
Fri
Cloudy
71° 50°
±6°

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.

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.

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 Olympia?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
97
/100rank #1
94±0.6°F97±1.0 mph100100% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
82
/100rank #2
79±2.1°F96±1.3 mph7687% 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.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±4°69° to 73°±39%12% to 51% chance
Tomorrow±4°74° to 77°±6%4% to 10% chance
Mon±1°70° to 71°±34%10% to 44% chance
Tue±5°74° to 79°models agree0% to 0% chance
Wed±4°81° to 84°±2%0% to 2% chance

The models often agree on temperature and still split on rain — and rain is usually what decides whether a plan survives. A wide rain range means the shower is genuinely uncertain, not that the forecast is wrong.

Sunrise and sunset in Olympia

today, local time
Sunrise
06:36
Sunset
19:43
Daylight
13h 7m

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?
Over the last 30 days, the European model has been the most accurate for Olympia (CheckWeather Score 97/100), ahead of the American at 82. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
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.

Nearby

More US weather