Lake Oswego, OR Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Lake Oswego, OR in one place.
Patchy fog before 7am, then a slight chance of rain showers between 11am and 5pm. Mostly sunny, with a high near 72. West wind 1 to 6 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Lake Oswego, OR is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Aug 27, 2026 11:34 AM PDT.
The active forecast window currently covers Aug 29 to Sep 2, 2026 for Lake Oswego, OR.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 29 to Sep 2, 2026
- Latest sync
- Aug 27, 2026 11:34 AM PDT
- Forecast office
- PQR
- Source
- NOAA / NWS
Daily Outlook
This Week in Lake Oswego
Monday looks like the warmest upcoming period in Lake Oswego at 75 degrees F.
Saturday Night is the coolest period ahead with temperatures near 51 degrees F.
The strongest winds are forecast for Wednesday at about 6 to 9 mph SW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 27, 2026 11:34 AM PDT
- Coverage
- 6 days
- Time zone
- America/Los_Angeles
- Forecast office
- PQR
- Radar station
- KRTX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Patchy fog after 3am. Partly cloudy, with a low around 51.
Patchy fog before 8am. Mostly sunny, with a high near 72.
Partly cloudy, with a low around 52.
A slight chance of rain after 5pm. Mostly sunny, with a high near 75.
A slight chance of rain. Mostly cloudy, with a low around 54.
A chance of rain. Mostly cloudy, with a high near 70.
A chance of rain. Mostly cloudy, with a low around 54.
A chance of rain. Mostly cloudy, with a high near 69.
A chance of rain. Mostly cloudy, with a low around 53.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Slight Chance Rain Showers
|
72°F |
1 to 6 mph
W
|
|
Saturday Night
Aug 29
|
Partly Cloudy then Patchy Fog
|
51°F |
1 to 6 mph
NW
|
|
Sunday
Aug 30
|
Patchy Fog then Mostly Sunny
|
72°F |
1 to 5 mph
NNW
|
|
Sunday Night
Aug 30
|
Partly Cloudy
|
52°F |
1 to 5 mph
NNW
|
|
Monday
Aug 31
|
Mostly Sunny then Slight Chance Light Rain
|
75°F |
3 mph
WNW
|
|
Monday Night
Aug 31
|
Slight Chance Light Rain
|
54°F |
3 mph
WSW
|
|
Tuesday
Sep 1
|
Chance Light Rain
|
70°F |
5 mph
SW
|
|
Tuesday Night
Sep 1
|
Chance Light Rain
|
54°F |
2 to 7 mph
SW
|
|
Wednesday
Sep 2
|
Chance Light Rain
|
69°F |
6 to 9 mph
SW
|
|
Wednesday Night
Sep 2
|
Chance Light Rain
|
53°F |
2 to 6 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lake Oswego.
