Grand Mound, WA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Grand Mound, WA in one place.
Mostly sunny, with a high near 65.
Local Weather Overview
This forecast page for Grand Mound, 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: May 27, 2026 11:24 PM PDT.
The active forecast window currently covers May 30 to Jun 3, 2026 for Grand Mound, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 30 to Jun 3, 2026
- Latest sync
- May 27, 2026 11:24 PM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in Grand Mound
Tuesday looks like the warmest upcoming period in Grand Mound at 88 degrees F.
Saturday Night is the coolest period ahead with temperatures near 39 degrees F.
The strongest winds are forecast for Saturday Night at about 1 to 12 mph W.
The forecast from May 30 through Jun 3 stays mostly dry.
Forecast Details
- Last updated
- May 27, 2026 11:24 PM PDT
- Coverage
- 5 days
- Time zone
- America/Los_Angeles
- Forecast office
- SEW
- Radar station
- KLGX
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 39.
Sunny, with a high near 71.
Mostly clear, with a low around 42.
Sunny, with a high near 81.
Mostly clear, with a low around 52.
Mostly sunny, with a high near 88.
Mostly cloudy, with a low around 56.
Mostly sunny, with a high near 81.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Mostly Sunny
|
65°F |
3 to 10 mph
W
|
|
Saturday Night
May 30
|
Mostly Clear
|
39°F |
1 to 12 mph
W
|
|
Sunday
May 31
|
Sunny
|
71°F |
0 to 6 mph
NW
|
|
Sunday Night
May 31
|
Mostly Clear
|
42°F |
0 to 6 mph
NW
|
|
Monday
Jun 1
|
Sunny
|
81°F |
0 to 7 mph
N
|
|
Monday Night
Jun 1
|
Mostly Clear
|
52°F |
0 to 6 mph
N
|
|
Tuesday
Jun 2
|
Mostly Sunny
|
88°F |
0 to 5 mph
NNE
|
|
Tuesday Night
Jun 2
|
Mostly Cloudy
|
56°F |
0 to 5 mph
NNW
|
|
Wednesday
Jun 3
|
Mostly Sunny
|
81°F |
0 to 7 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grand Mound.
