Waterloo, OR Weather Forecast
Local 7-day forecast
Slight Chance Light Rain
Track current conditions, temperature changes, wind, and the full daily outlook for Waterloo, OR in one place.
A slight chance of rain before 5pm. Partly sunny, with a high near 60.
Local Weather Overview
This forecast page for Waterloo, 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: Apr 19, 2026 4:19 AM PDT.
The active forecast window currently covers Apr 23 to Apr 25, 2026 for Waterloo, OR.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 23 to Apr 25, 2026
- Latest sync
- Apr 19, 2026 4:19 AM PDT
- Forecast office
- PQR
- Source
- NOAA / NWS
Daily Outlook
This Week in Waterloo
Saturday looks like the warmest upcoming period in Waterloo at 68 degrees F.
Thursday Night is the coolest period ahead with temperatures near 40 degrees F.
The strongest winds are forecast for Friday at about 1 to 6 mph N.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Apr 19, 2026 4:19 AM PDT
- Coverage
- 3 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
Mostly clear, with a low around 40.
Sunny, with a high near 66.
Mostly clear, with a low around 42.
Sunny, with a high near 68.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 23
|
Slight Chance Light Rain
|
60°F |
5 mph
W
|
|
Thursday Night
Apr 23
|
Mostly Clear
|
40°F |
5 mph
NNE
|
|
Friday
Apr 24
|
Sunny
|
66°F |
1 to 6 mph
N
|
|
Friday Night
Apr 24
|
Mostly Clear
|
42°F |
2 to 6 mph
NNE
|
|
Saturday
Apr 25
|
Sunny
|
68°F |
1 to 6 mph
NNE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Waterloo.