Riverton, WY Weather Forecast

Local 7-day forecast

84°
F

Partly Sunny then Scattered Showers And Thunderstorms

Track current conditions, temperature changes, wind, and the full daily outlook for Riverton, WY in one place.

Saturday, August 29, 2026
Wind: 6 to 18 mph WSW
Saturday

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 7-day forecast

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
Next High
84°F
Saturday
Next Low
57°F
Saturday Night
Rain Outlook
2
Periods mentioning precipitation
Windiest
6 to 18 mph
Saturday

Daily Outlook

Today
Aug 29
Partly Sunny then Scattered Showers And Thunderstorms
84 °F
/ 57°F
Wind 6 to 18 mph
Sun
Aug 30
Mostly Sunny
83 °F
/ 51°F
Wind 12 to 18 mph
Mon
Aug 31
Sunny
83 °F
/ 53°F
Wind 5 to 8 mph
Tue
Sep 1
Sunny
86 °F
/ 54°F
Wind 7 to 10 mph
Wed
Sep 2
Mostly Sunny
84 °F
/ 53°F
Wind 8 to 14 mph

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 source

Extended Forecast

Saturday Night
Aug 29
57°F
Mostly Cloudy then Slight Chance Rain Showers
7 to 14 mph SW

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%.

Sunday
Aug 30
83°F
Mostly Sunny
12 to 18 mph SW

Mostly sunny, with a high near 83. Southwest wind 12 to 18 mph, with gusts as high as 31 mph.

Sunday Night
Aug 30
51°F
Mostly Clear
7 to 14 mph W

Mostly clear, with a low around 51.

Monday
Aug 31
83°F
Sunny
5 to 8 mph SW

Sunny, with a high near 83.

Monday Night
Aug 31
53°F
Partly Cloudy
10 mph SW

Partly cloudy, with a low around 53.

Tuesday
Sep 1
86°F
Sunny
7 to 10 mph SW

Sunny, with a high near 86.

Tuesday Night
Sep 1
54°F
Partly Cloudy
9 to 14 mph SSW

Partly cloudy, with a low around 54.

Wednesday
Sep 2
84°F
Mostly Sunny
8 to 14 mph SW

Mostly sunny, with a high near 84.

Wednesday Night
Sep 2
53°F
Partly Cloudy
10 to 15 mph SW

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
Riverton 'WY' Museum
Riverton 'WY' Museum image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.