Skip to main content
Every US forecast, compared
checkweather.io
CheckWeather USLake Oswego

Lake Oswego weather

Loading live data…

The weather map: all three models at once

NWS, American, European side by side around Lake Oswego 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

Lake Oswego, OR is at its warmest in Jul (average highs near 86°F) and coldest in Jan (lows around 35°F), with roughly 57 in of precipitation across the year. Below, compare what NWS, American, European forecast for Lake Oswego 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.

Lake Oswego climate by month

average daytime high and overnight low across a typical year
Jan
47°
35°
Feb
49°
35°
Mar
52°
36°
Apr
57°
41°
May
68°
47°
Jun
75°
51°
Jul
86°
58°
Aug
85°
59°
Sep
75°
54°
Oct
64°
47°
Nov
52°
40°
Dec
50°
39°

Which forecast is most accurate in Lake Oswego?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
92
/100rank #1
93±0.7°F96±1.3 mph8994% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
81
/100rank #2
62±3.8°F93±2.1 mph9597% 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 Lake Oswego today?
On this page we show what NWS, American, European each forecast for Lake Oswego 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 Lake Oswego today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Lake Oswego 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 Lake Oswego?
Over the last 30 days, the European model has been the most accurate for Lake Oswego (CheckWeather Score 92/100), ahead of the American at 81. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Lake Oswego?
July is typically the warmest month in Lake Oswego, with average highs around 86°F.
How cold does Lake Oswego get?
The coldest month in Lake Oswego is January, when overnight lows average about 35°F.
How much rain does Lake Oswego get?
Lake Oswego sees roughly 57 in of precipitation a year, with December usually the wettest month.

Nearby

More US weather