Hamilton, WA Weather Forecast
Local 7-day forecast
Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Hamilton, WA in one place.
A chance of rain showers. Partly sunny, with a high near 55. West southwest wind 6 to 9 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Hamilton, 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 22, 2026 1:42 PM PDT.
The active forecast window currently covers Apr 22 to Apr 28, 2026 for Hamilton, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 22 to Apr 28, 2026
- Latest sync
- Apr 22, 2026 1:42 PM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in Hamilton
Sunday looks like the warmest upcoming period in Hamilton at 65 degrees F.
Thursday Night is the coolest period ahead with temperatures near 43 degrees F.
The strongest winds are forecast for Thursday at about 3 to 10 mph SW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 22, 2026 1:42 PM PDT
- Coverage
- 8 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
A chance of rain showers between 8pm and 5am. Mostly cloudy, with a low around 46. South southwest wind 3 to 8 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Mostly sunny, with a high near 57. Southwest wind 3 to 10 mph.
Mostly clear, with a low around 43. Northeast wind 3 to 9 mph.
Sunny, with a high near 62. North northeast wind 3 to 9 mph.
Mostly clear, with a low around 43.
Sunny, with a high near 64.
Partly cloudy, with a low around 43.
Sunny, with a high near 65.
Partly cloudy, with a low around 45.
Mostly sunny, with a high near 64.
Mostly clear, with a low around 47.
Sunny, with a high near 65.
Mostly clear, with a low around 47.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Apr 22
|
Chance Rain Showers
|
55°F |
6 to 9 mph
WSW
|
|
Tonight
Apr 22
|
Chance Rain Showers
|
46°F |
3 to 8 mph
SSW
|
|
Thursday
Apr 23
|
Mostly Sunny
|
57°F |
3 to 10 mph
SW
|
|
Thursday Night
Apr 23
|
Mostly Clear
|
43°F |
3 to 9 mph
NE
|
|
Friday
Apr 24
|
Sunny
|
62°F |
3 to 9 mph
NNE
|
|
Friday Night
Apr 24
|
Mostly Clear
|
43°F |
7 mph
NNE
|
|
Saturday
Apr 25
|
Sunny
|
64°F |
3 to 8 mph
NNE
|
|
Saturday Night
Apr 25
|
Partly Cloudy
|
43°F |
3 to 8 mph
NE
|
|
Sunday
Apr 26
|
Sunny
|
65°F |
2 to 8 mph
SSE
|
|
Sunday Night
Apr 26
|
Partly Cloudy
|
45°F |
1 to 8 mph
S
|
|
Monday
Apr 27
|
Mostly Sunny
|
64°F |
2 to 8 mph
SSW
|
|
Monday Night
Apr 27
|
Mostly Clear
|
47°F |
1 to 8 mph
S
|
|
Tuesday
Apr 28
|
Sunny
|
65°F |
1 to 7 mph
SW
|
|
Tuesday Night
Apr 28
|
Mostly Clear
|
47°F |
0 to 7 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Hamilton.