Granite Falls, WA Weather Forecast
Local 7-day forecast
Slight Chance Light Rain then Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Granite Falls, WA in one place.
A slight chance of rain before 7am, then patchy fog and a slight chance of rain between 7am and 10am. Partly sunny, with a high near 67. Northwest wind around 3 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Granite Falls, 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: Sep 15, 2026 1:31 AM PDT.
The active forecast window currently covers Sep 15 to Sep 21, 2026 for Granite Falls, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 15 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 1:31 AM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in Granite Falls
Thursday looks like the warmest upcoming period in Granite Falls at 76 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 48 degrees F.
The strongest winds are forecast for Tuesday Night at about 1 to 5 mph NNE.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 1:31 AM PDT
- Coverage
- 7 days
- Time zone
- America/Los_Angeles
- Forecast office
- SEW
- Radar station
- KATX
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 48. North northeast wind 1 to 5 mph.
Sunny, with a high near 75. North wind around 3 mph.
Mostly clear, with a low around 50. North northeast wind 1 to 5 mph.
Sunny, with a high near 76.
Mostly clear, with a low around 50.
Sunny, with a high near 75.
Partly cloudy, with a low around 51.
Mostly sunny, with a high near 74.
Mostly clear, with a low around 51.
Sunny, with a high near 75.
A slight chance of rain after 5am. Partly cloudy, with a low around 50.
A chance of rain. Partly sunny, with a high near 70.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Sep 15
|
Slight Chance Light Rain then Partly Sunny
|
67°F |
3 mph
NW
|
|
Tuesday Night
Sep 15
|
Mostly Clear
|
48°F |
1 to 5 mph
NNE
|
|
Wednesday
Sep 16
|
Sunny
|
75°F |
3 mph
N
|
|
Wednesday Night
Sep 16
|
Mostly Clear
|
50°F |
1 to 5 mph
NNE
|
|
Thursday
Sep 17
|
Sunny
|
76°F |
1 mph
N
|
|
Thursday Night
Sep 17
|
Mostly Clear
|
50°F |
0 to 3 mph
NE
|
|
Friday
Sep 18
|
Sunny
|
75°F |
2 mph
SSE
|
|
Friday Night
Sep 18
|
Partly Cloudy
|
51°F |
1 mph
E
|
|
Saturday
Sep 19
|
Mostly Sunny
|
74°F |
1 mph
NW
|
|
Saturday Night
Sep 19
|
Mostly Clear
|
51°F |
1 mph
NNE
|
|
Sunday
Sep 20
|
Sunny
|
75°F |
1 mph
N
|
|
Sunday Night
Sep 20
|
Partly Cloudy then Slight Chance Light Rain
|
50°F |
1 mph
NNE
|
|
Monday
Sep 21
|
Chance Light Rain
|
70°F |
2 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Granite Falls.