Riverton, WY Weather Forecast
Local 7-day forecast
Partly Sunny then Scattered Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Riverton, WY in one place.
Scattered showers and thunderstorms after noon. Partly sunny, with a high near 84. West southwest wind 6 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.
Local Weather Overview
This forecast page for Riverton, WY 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: Aug 27, 2026 5:41 PM MDT.
The active forecast window currently covers Aug 29 to Sep 2, 2026 for Riverton, WY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 29 to Sep 2, 2026
- Latest sync
- Aug 27, 2026 5:41 PM MDT
- Forecast office
- RIW
- Source
- NOAA / NWS
Daily Outlook
This Week in Riverton
Tuesday looks like the warmest upcoming period in Riverton at 86 degrees F.
Sunday Night is the coolest period ahead with temperatures near 51 degrees F.
The strongest winds are forecast for Saturday at about 6 to 18 mph WSW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 27, 2026 5:41 PM MDT
- Coverage
- 6 days
- Time zone
- America/Denver
- Forecast office
- RIW
- Radar station
- KRIW
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers after midnight. Mostly cloudy, with a low around 57. Southwest wind 7 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Mostly sunny, with a high near 83. Southwest wind 12 to 18 mph, with gusts as high as 31 mph.
Mostly clear, with a low around 51.
Sunny, with a high near 83.
Partly cloudy, with a low around 53.
Sunny, with a high near 86.
Partly cloudy, with a low around 54.
Mostly sunny, with a high near 84.
Partly cloudy, with a low around 53.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Partly Sunny then Scattered Showers And Thunderstorms
|
84°F |
6 to 18 mph
WSW
|
|
Saturday Night
Aug 29
|
Mostly Cloudy then Slight Chance Rain Showers
|
57°F |
7 to 14 mph
SW
|
|
Sunday
Aug 30
|
Mostly Sunny
|
83°F |
12 to 18 mph
SW
|
|
Sunday Night
Aug 30
|
Mostly Clear
|
51°F |
7 to 14 mph
W
|
|
Monday
Aug 31
|
Sunny
|
83°F |
5 to 8 mph
SW
|
|
Monday Night
Aug 31
|
Partly Cloudy
|
53°F |
10 mph
SW
|
|
Tuesday
Sep 1
|
Sunny
|
86°F |
7 to 10 mph
SW
|
|
Tuesday Night
Sep 1
|
Partly Cloudy
|
54°F |
9 to 14 mph
SSW
|
|
Wednesday
Sep 2
|
Mostly Sunny
|
84°F |
8 to 14 mph
SW
|
|
Wednesday Night
Sep 2
|
Partly Cloudy
|
53°F |
10 to 15 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Riverton.