Oregon · NWS PQR office

Lake Oswego, OR weather

It is 48°F and mostly cloudy at Aurora State Airport as of Oct 27, 11:15 PM PDT. Tonight: Light Rain, low near 45°F, 95% chance of precipitation. Forecast from the National Weather Service, issued Oct 27, 10:41 PM PDT.

Updated Oct 27, 11:25 PM PDT (snapshot)

Current conditions

Temperature

48°F

Mostly Cloudy · feels like 43°F

Wind

SSW 11 mph

Humidity 87% · dew point 45°F

Pressure · visibility

30.04 inHg

Visibility —

Observed at Aurora State Airport (KUAO), Oct 27, 11:15 PM PDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Lake Oswego forecast zone right now.

Around the NWS PQR forecast area

No active alerts in zones served by the PQR office near Lake Oswego.

From the alert snapshot of Oct 28, 2026, 2:15 AM EDT. No alerts are active anywhere in Oregon.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for Lake Oswego (local time)
TimeTempForecastPrecip. chanceWind
Tue 11 PM48°FLight Rain76%SSW 9 mph
Wed 12 AM47°FLight Rain86%SSW 12 mph
Wed 1 AM47°FLight Rain95%SSW 12 mph
Wed 2 AM47°FLight Rain87%SSW 13 mph
Wed 3 AM47°FLight Rain Likely70%SSW 12 mph
Wed 4 AM47°FLight Rain Likely61%SSW 10 mph
Wed 5 AM47°FLight Rain82%SSW 10 mph
Wed 6 AM47°FLight Rain89%SSW 10 mph
Wed 7 AM45°FLight Rain87%SSW 9 mph
Wed 8 AM46°FLight Rain Likely70%SSW 8 mph
Wed 9 AM47°FLight Rain Likely71%SSW 8 mph
Wed 10 AM48°FChance Light Rain51%SSW 7 mph
Wed 11 AM50°FLight Rain Likely68%SSW 7 mph
Wed 12 PM52°FLight Rain85%SSW 7 mph
Wed 1 PM52°FLight Rain Likely72%SW 7 mph
Wed 2 PM52°FLight Rain75%SW 7 mph
Wed 3 PM54°FLight Rain Likely73%WSW 6 mph
Wed 4 PM52°FChance Light Rain51%WSW 5 mph
Wed 5 PM53°FChance Light Rain43%SW 2 mph
Wed 6 PM51°FChance Light Rain35%SW 2 mph
Wed 7 PM48°FMostly Cloudy13%SW 2 mph
Wed 8 PM46°FPatchy Fog8%S 1 mph
Wed 9 PM45°FPatchy Fog2%S 1 mph
Wed 10 PM45°FPatchy Fog10%S 1 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Lake Oswego can differ.

7-day forecast

Tonight

Low 45°F

Rain. Cloudy. Low around 45, with temperatures rising to around 47 overnight. South southwest wind 9 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible.

Wednesday

High 56°F·Low 41°F

Rain. Mostly cloudy. High near 56, with temperatures falling to around 53 in the afternoon. Southwest wind 2 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.

Wednesday Night: A chance of rain before 7pm, then patchy fog between 8pm and 11pm, then areas of fog and a slight chance of rain. Mostly cloudy, with a low around 41. South southwest wind around 2 mph. Chance of precipitation is 40%.

Thursday

High 56°F·Low 41°F

Rain likely and areas of fog. Partly sunny, with a high near 56. South southeast wind around 1 mph. Chance of precipitation is 60%.

Thursday Night: Rain likely before 8pm, then rain likely and areas of fog between 8pm and 5am, then areas of fog and a slight chance of rain. Mostly cloudy, with a low around 41. South wind around 1 mph. Chance of precipitation is 60%.

Friday

High 57°F·Low 36°F

Areas of fog and a slight chance of rain before 5pm. Partly sunny, with a high near 57. Chance of precipitation is 20%.

Friday Night: Partly cloudy, with a low around 36.

Saturday

High 57°F·Low 39°F

A slight chance of rain after 5pm. Partly sunny, with a high near 57.

Saturday Night: A chance of rain before 4am. Mostly cloudy, with a low around 39.

Sunday

High 58°F·Low 38°F

Mostly sunny, with a high near 58.

Sunday Night: Partly cloudy, with a low around 38.

Monday

High 61°F·Low 41°F

Partly sunny, with a high near 61.

Monday Night: Mostly cloudy, with a low around 41.

Tuesday

High 62°F

A slight chance of rain after 5pm. Partly sunny, with a high near 62.

Nearby cities

Larger cities in the area

Other cities in Clackamas County

See every city we cover in Oregon, or check all active alerts.

About this forecast

Forecast office
Lake Oswego is served by the National Weather Service PQR forecast office, forecast zone ORZ111, county zone ORC005.
Location used
The Census Bureau's internal point for Lake Oswego (45.4136, -122.7000), in Clackamas County. Population: 40,029 (2024 estimate), number 13 of the 30 Oregon cities on this site.
Radar
Nearest NWS radar: KRTX. View it on radar.weather.gov.

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Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/45.4136,-122.7 (forecast issued Oct 27, 10:41 PM PDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

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