Umtanum, WA Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers then Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Umtanum, WA in one place.
A slight chance of rain showers before 8am. Mostly sunny, with a high near 57. West wind 5 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Umtanum, 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: Jun 8, 2026 1:12 AM PDT.
The active forecast window currently covers Jun 9 to Jun 14, 2026 for Umtanum, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 9 to Jun 14, 2026
- Latest sync
- Jun 8, 2026 1:12 AM PDT
- Forecast office
- PDT
- Source
- NOAA / NWS
Daily Outlook
This Week in Umtanum
Sunday looks like the warmest upcoming period in Umtanum at 77 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 41 degrees F.
The strongest winds are forecast for Tuesday at about 5 to 17 mph W.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Jun 8, 2026 1:12 AM PDT
- Coverage
- 6 days
- Time zone
- America/Los_Angeles
- Forecast office
- PDT
- Radar station
- KPDT
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 41. West wind 8 to 16 mph, with gusts as high as 25 mph.
Sunny, with a high near 59.
Mostly clear, with a low around 43.
Sunny, with a high near 65.
Clear, with a low around 48.
Sunny, with a high near 69.
Clear, with a low around 52.
Sunny, with a high near 74.
Mostly clear, with a low around 57.
Sunny, with a high near 77.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 9
|
Slight Chance Rain Showers then Mostly Sunny
|
57°F |
5 to 17 mph
W
|
|
Tuesday Night
Jun 9
|
Mostly Clear
|
41°F |
8 to 16 mph
W
|
|
Wednesday
Jun 10
|
Sunny
|
59°F |
8 to 16 mph
NW
|
|
Wednesday Night
Jun 10
|
Mostly Clear
|
43°F |
7 to 17 mph
NW
|
|
Thursday
Jun 11
|
Sunny
|
65°F |
7 mph
W
|
|
Thursday Night
Jun 11
|
Clear
|
48°F |
7 to 16 mph
NW
|
|
Friday
Jun 12
|
Sunny
|
69°F |
5 to 12 mph
NW
|
|
Friday Night
Jun 12
|
Clear
|
52°F |
7 to 14 mph
NW
|
|
Saturday
Jun 13
|
Sunny
|
74°F |
8 mph
N
|
|
Saturday Night
Jun 13
|
Mostly Clear
|
57°F |
6 mph
N
|
|
Sunday
Jun 14
|
Sunny
|
77°F |
5 to 8 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Umtanum.