Riverton, WY Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Riverton, WY in one place.
A slight chance of rain showers after 5pm. Partly sunny. High near 56, with temperatures falling to around 52 in the afternoon. North northeast wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
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: Oct 13, 2026 6:23 PM MDT.
The active forecast window currently covers Oct 13 to Oct 19, 2026 for Riverton, WY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 6:23 PM MDT
- Forecast office
- RIW
- Source
- NOAA / NWS
Daily Outlook
This Week in Riverton
Saturday looks like the warmest upcoming period in Riverton at 69 degrees F.
Thursday Night is the coolest period ahead with temperatures near 28 degrees F.
The strongest winds are forecast for This Afternoon at about 15 mph NNE.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 6:23 PM MDT
- Coverage
- 8 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
Rain showers. Cloudy, with a low around 40. North wind 7 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Rain showers likely. Cloudy, with a high near 49. North wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
A chance of rain showers before 4am. Mostly cloudy, with a low around 37. North northwest wind 3 to 10 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Mostly sunny, with a high near 57. North wind 3 to 13 mph.
Mostly clear, with a low around 28. South southeast wind around 3 mph.
Sunny, with a high near 65. Southeast wind around 6 mph.
Clear, with a low around 31.
Sunny, with a high near 69.
Mostly clear, with a low around 34.
Sunny, with a high near 66.
Clear, with a low around 34.
Sunny, with a high near 69.
Mostly clear, with a low around 40.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Oct 13
|
Slight Chance Rain Showers
|
56°F |
15 mph
NNE
|
|
Tonight
Oct 13
|
Rain Showers
|
40°F |
7 to 15 mph
N
|
|
Wednesday
Oct 14
|
Rain Showers Likely
|
49°F |
6 mph
N
|
|
Wednesday Night
Oct 14
|
Chance Rain Showers
|
37°F |
3 to 10 mph
NNW
|
|
Thursday
Oct 15
|
Mostly Sunny
|
57°F |
3 to 13 mph
N
|
|
Thursday Night
Oct 15
|
Mostly Clear
|
28°F |
3 mph
SSE
|
|
Friday
Oct 16
|
Sunny
|
65°F |
6 mph
SE
|
|
Friday Night
Oct 16
|
Clear
|
31°F |
5 mph
SSW
|
|
Saturday
Oct 17
|
Sunny
|
69°F |
5 mph
S
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
34°F |
5 mph
SW
|
|
Sunday
Oct 18
|
Sunny
|
66°F |
5 mph
SSE
|
|
Sunday Night
Oct 18
|
Clear
|
34°F |
5 mph
W
|
|
Monday
Oct 19
|
Sunny
|
69°F |
5 mph
SW
|
|
Monday Night
Oct 19
|
Mostly Clear
|
40°F |
9 to 14 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Riverton.
