Lake Oswego, OR Weather Forecast
Local 7-day forecast
Mostly Sunny then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Lake Oswego, OR in one place.
A slight chance of showers and thunderstorms after 5pm. Mostly sunny. High near 82, with temperatures falling to around 80 in the afternoon. West wind 1 to 8 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: May 27, 2026 3:06 PM PDT.
The active forecast window currently covers May 28 to Jun 2, 2026 for Lake Oswego, OR.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 28 to Jun 2, 2026
- Latest sync
- May 27, 2026 3:06 PM PDT
- Forecast office
- PQR
- Source
- NOAA / NWS
Daily Outlook
This Week in Lake Oswego
Tuesday looks like the warmest upcoming period in Lake Oswego at 90 degrees F.
Saturday Night is the coolest period ahead with temperatures near 44 degrees F.
The strongest winds are forecast for Friday Night at about 2 to 12 mph WNW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- May 27, 2026 3:06 PM PDT
- Coverage
- 7 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
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. West southwest wind 6 to 10 mph. Chance of precipitation is 30%.
A chance of rain showers before 11am. Mostly cloudy, with a high near 65. West northwest wind 6 to 9 mph. Chance of precipitation is 30%.
Partly cloudy, with a low around 45.
Mostly sunny, with a high near 66.
Mostly clear, with a low around 44.
Sunny, with a high near 71.
Mostly clear, with a low around 48.
Sunny, with a high near 85.
Mostly clear, with a low around 57.
Mostly sunny, with a high near 90.
Partly cloudy, with a low around 59.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
May 28
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
82°F |
1 to 8 mph
W
|
|
Thursday Night
May 28
|
Chance Showers And Thunderstorms
|
52°F |
6 to 10 mph
WSW
|
|
Friday
May 29
|
Chance Rain Showers then Mostly Cloudy
|
65°F |
6 to 9 mph
WNW
|
|
Friday Night
May 29
|
Partly Cloudy
|
45°F |
2 to 12 mph
WNW
|
|
Saturday
May 30
|
Mostly Sunny
|
66°F |
2 to 8 mph
WNW
|
|
Saturday Night
May 30
|
Mostly Clear
|
44°F |
1 to 12 mph
NW
|
|
Sunday
May 31
|
Sunny
|
71°F |
1 to 9 mph
NW
|
|
Sunday Night
May 31
|
Mostly Clear
|
48°F |
5 to 10 mph
NNW
|
|
Monday
Jun 1
|
Sunny
|
85°F |
5 to 9 mph
N
|
|
Monday Night
Jun 1
|
Mostly Clear
|
57°F |
5 to 9 mph
N
|
|
Tuesday
Jun 2
|
Mostly Sunny
|
90°F |
7 mph
NNE
|
|
Tuesday Night
Jun 2
|
Partly Cloudy
|
59°F |
7 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lake Oswego.