Lake Oswego weather
At 3:30 PM local time it was cloudy and 12°C (53°F). Little to no rain in the next 24 hours. Best months for weather: May–Sep. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Lake Oswego, Oregon, United States.
Current conditions
- Clouds
- 100%
- Chance of rain
- 1%
- Rain
- 0.0 mm/h
Hourly Forecast
Little to no rain in the next 24 hours
Daily Forecast
Best Time to Visit
Peak season May–SepOff season Nov–Mar
About Lake Oswego weather
Is it raining in Lake Oswego right now?
No. It’s cloudy and 12° right now. Little to no rain in the next 24 hours.
What’s the weather like in Lake Oswego this week?
Over the next 7 days, expect highs of 12–17° and lows of 2–11°. Rain is likely on 2 of 7 days (Thursday, Friday). The driest day looks like Saturday.
Has it been raining in Lake Oswego lately?
In the past 7 days, Lake Oswego had 6 rainy days and 31.3 mm of rain in total.
What should I pack for Lake Oswego?
For the coming week, bring an umbrella or rain jacket and a warm winter coat.
Lake Oswego weather by month
When is the best time to visit Lake Oswego?
Based on weather alone, the best time to visit Lake Oswego is May–Sep, according to NASA's 2001–2025 climate averages. Nov–Mar tends to be the least pleasant. Average highs run from 6°C (42°F) in December to 28°C (82°F) in August.
What is the rainiest month in Lake Oswego?
December is the wettest month, with about 251 mm (9.9 in) of rain on average. July is the driest, with about 11 mm (0.4 in).
What is the hottest month in Lake Oswego?
August is the warmest, with average highs of 28°C (82°F) and lows of 12°C (53°F). December is the coolest, with highs of 6°C (42°F) and lows of 0°C (33°F).
Does Lake Oswego have a rainy season?
Yes. Mar, Nov–Jan is the rainy season (150 mm or more a month), while Jun–Sep is usually dry (under 60 mm).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months