Riverton, WA Weather Forecast
Local 7-day forecast
Partly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Riverton, WA in one place.
Partly cloudy, with a low around 49. North wind around 7 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: Oct 15, 2026 7:18 AM PDT.
The active forecast window currently covers Oct 15 to Oct 21, 2026 for Riverton, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 7:18 AM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in Riverton
Friday looks like the warmest upcoming period in Riverton at 73 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 43 degrees F.
The strongest winds are forecast for Friday Night at about 6 to 14 mph SSW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 7:18 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
Sunny, with a high near 70. North northeast wind around 8 mph.
Mostly clear. Low around 52, with temperatures rising to around 54 overnight. East southeast wind around 7 mph.
Mostly sunny, with a high near 73. South wind around 7 mph.
A chance of rain after 11pm. Mostly cloudy, with a low around 54. South southwest wind 6 to 14 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain before 5pm. Partly sunny, with a high near 63. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Partly cloudy, with a low around 45.
Partly sunny, with a high near 58.
Mostly cloudy, with a low around 45.
Mostly cloudy, with a high near 58.
Mostly cloudy, with a low around 44.
Mostly sunny, with a high near 59.
Partly cloudy, with a low around 43.
A slight chance of rain after 5pm. Partly sunny, with a high near 60.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Oct 15
|
Partly Cloudy
|
49°F |
7 mph
N
|
|
Thursday
Oct 15
|
Sunny
|
70°F |
8 mph
NNE
|
|
Thursday Night
Oct 15
|
Mostly Clear
|
52°F |
7 mph
ESE
|
|
Friday
Oct 16
|
Mostly Sunny
|
73°F |
7 mph
S
|
|
Friday Night
Oct 16
|
Chance Light Rain
|
54°F |
6 to 14 mph
SSW
|
|
Saturday
Oct 17
|
Chance Light Rain
|
63°F |
8 to 14 mph
WSW
|
|
Saturday Night
Oct 17
|
Partly Cloudy
|
45°F |
8 mph
NNE
|
|
Sunday
Oct 18
|
Partly Sunny
|
58°F |
7 to 10 mph
NNE
|
|
Sunday Night
Oct 18
|
Mostly Cloudy
|
45°F |
2 to 7 mph
NE
|
|
Monday
Oct 19
|
Mostly Cloudy
|
58°F |
5 mph
S
|
|
Monday Night
Oct 19
|
Mostly Cloudy
|
44°F |
3 mph
E
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
59°F |
2 to 7 mph
NNE
|
|
Tuesday Night
Oct 20
|
Partly Cloudy
|
43°F |
2 to 6 mph
NNE
|
|
Wednesday
Oct 21
|
Partly Sunny then Slight Chance Light Rain
|
60°F |
5 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Riverton.