Rock Island, WA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Rock Island, WA in one place.
Sunny, with a high near 62.
Local Weather Overview
This forecast page for Rock Island, WA 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 14, 2026 10:21 PM PDT.
The active forecast window currently covers Apr 17 to Apr 21, 2026 for Rock Island, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 17 to Apr 21, 2026
- Latest sync
- Apr 14, 2026 10:21 PM PDT
- Forecast office
- OTX
- Source
- NOAA / NWS
Daily Outlook
This Week in Rock Island
Monday looks like the warmest upcoming period in Rock Island at 69 degrees F.
Friday Night is the coolest period ahead with temperatures near 39 degrees F.
The strongest winds are forecast for Tuesday at about 9 to 15 mph NW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 14, 2026 10:21 PM PDT
- Coverage
- 5 days
- Time zone
- America/Los_Angeles
- Forecast office
- OTX
- Radar station
- KOTX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 39.
Partly sunny, with a high near 66.
A chance of rain after 5am. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.
A chance of rain. Mostly cloudy, with a high near 68. Chance of precipitation is 30%.
A slight chance of rain before 11pm. Mostly cloudy, with a low around 46. Chance of precipitation is 20%.
Partly sunny, with a high near 69.
Partly cloudy, with a low around 45.
Mostly sunny, with a high near 69.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Apr 17
|
Sunny
|
62°F |
5 to 10 mph
W
|
|
Friday Night
Apr 17
|
Partly Cloudy
|
39°F |
2 to 10 mph
NW
|
|
Saturday
Apr 18
|
Partly Sunny
|
66°F |
2 to 10 mph
E
|
|
Saturday Night
Apr 18
|
Mostly Cloudy then Chance Light Rain
|
45°F |
5 to 10 mph
N
|
|
Sunday
Apr 19
|
Chance Light Rain
|
68°F |
6 to 9 mph
N
|
|
Sunday Night
Apr 19
|
Slight Chance Light Rain then Mostly Cloudy
|
46°F |
9 mph
NW
|
|
Monday
Apr 20
|
Partly Sunny
|
69°F |
7 to 12 mph
NW
|
|
Monday Night
Apr 20
|
Partly Cloudy
|
45°F |
12 mph
NW
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
69°F |
9 to 15 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Rock Island.
