Riverton, WA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Riverton, WA in one place.
Sunny, with a high near 55. South southwest wind around 8 mph.
Local Weather Overview
This forecast page for Riverton, 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 16, 2026 12:10 PM PDT.
The active forecast window currently covers Apr 16 to Apr 22, 2026 for Riverton, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 16 to Apr 22, 2026
- Latest sync
- Apr 16, 2026 12:10 PM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in Riverton
Sunday looks like the warmest upcoming period in Riverton at 66 degrees F.
Tonight is the coolest period ahead with temperatures near 40 degrees F.
The strongest winds are forecast for Today at about 8 mph SSW.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 16, 2026 12:10 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
Partly cloudy, with a low around 40. South southwest wind 5 to 8 mph.
Mostly sunny, with a high near 57. East northeast wind around 5 mph.
Mostly cloudy, with a low around 42. North northeast wind around 5 mph.
A slight chance of rain after 5pm. Mostly cloudy, with a high near 64. Northwest wind 2 to 6 mph. Chance of precipitation is 20%.
A chance of rain. Mostly cloudy, with a low around 48. Chance of precipitation is 30%.
A chance of rain. Mostly cloudy, with a high near 66.
A slight chance of rain before 11pm. Mostly cloudy, with a low around 48.
A slight chance of rain after 11am. Partly sunny, with a high near 66.
A slight chance of rain. Mostly cloudy, with a low around 49.
A chance of rain. Partly sunny, with a high near 61.
A chance of rain. Mostly cloudy, with a low around 47.
A chance of rain before 5pm. Mostly cloudy, with a high near 57.
Mostly cloudy, with a low around 43.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Apr 16
|
Sunny
|
55°F |
8 mph
SSW
|
|
Tonight
Apr 16
|
Partly Cloudy
|
40°F |
5 to 8 mph
SSW
|
|
Friday
Apr 17
|
Mostly Sunny
|
57°F |
5 mph
ENE
|
|
Friday Night
Apr 17
|
Mostly Cloudy
|
42°F |
5 mph
NNE
|
|
Saturday
Apr 18
|
Mostly Cloudy then Slight Chance Light Rain
|
64°F |
2 to 6 mph
NW
|
|
Saturday Night
Apr 18
|
Chance Light Rain
|
48°F |
6 mph
NNE
|
|
Sunday
Apr 19
|
Chance Light Rain
|
66°F |
7 mph
N
|
|
Sunday Night
Apr 19
|
Slight Chance Light Rain then Mostly Cloudy
|
48°F |
6 mph
N
|
|
Monday
Apr 20
|
Slight Chance Light Rain
|
66°F |
3 to 7 mph
N
|
|
Monday Night
Apr 20
|
Slight Chance Light Rain
|
49°F |
7 mph
WSW
|
|
Tuesday
Apr 21
|
Chance Light Rain
|
61°F |
5 to 8 mph
SSW
|
|
Tuesday Night
Apr 21
|
Chance Light Rain
|
47°F |
8 mph
SSW
|
|
Wednesday
Apr 22
|
Chance Light Rain
|
57°F |
8 mph
SW
|
|
Wednesday Night
Apr 22
|
Mostly Cloudy
|
43°F |
3 to 7 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Riverton.