Riverton, UT Weather Forecast

Local 7-day forecast

69°
F

Sunny

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

Wednesday, May 20, 2026
Wind: 5 to 8 mph NE
Wednesday

Sunny, with a high near 69. Northeast wind 5 to 8 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Riverton, UT 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: May 19, 2026 8:54 AM MDT.

The active forecast window currently covers May 20 to May 25, 2026 for Riverton, UT.

Page Snapshot

Page focus
city weather
Forecast window
May 20 to May 25, 2026
Latest sync
May 19, 2026 8:54 AM MDT
Forecast office
SLC
Source
NOAA / NWS
Next High
69°F
Wednesday
Next Low
48°F
Wednesday Night
Rain Outlook
1
Periods mentioning precipitation
Windiest
5 to 13 mph
Thursday

Daily Outlook

Today
May 20
Sunny
69 °F
/ 48°F
Wind 5 to 8 mph
Thu
May 21
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
71 °F
/ 48°F
Wind 5 to 13 mph
Fri
May 22
Mostly Sunny
74 °F
/ 51°F
Wind 3 to 8 mph
Sat
May 23
Sunny
81 °F
/ 56°F
Wind 6 to 9 mph
Sun
May 24
Mostly Sunny
85 °F
/ 58°F
Wind 6 to 9 mph
Mon
May 25
Sunny
87 °F
/ 58°F
Wind 7 to 12 mph

This Week in Riverton

Memorial Day looks like the warmest upcoming period in Riverton at 87 degrees F.

Wednesday Night is the coolest period ahead with temperatures near 48 degrees F.

The strongest winds are forecast for Thursday at about 5 to 13 mph NE.

Precipitation is mentioned in 1 upcoming forecast period.

Forecast Details

Last updated
May 19, 2026 8:54 AM MDT
Coverage
7 days
Time zone
America/Denver
Forecast office
SLC
Radar station
KMTX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Wednesday Night
May 20
48°F
Mostly Cloudy
3 to 7 mph ESE

Mostly cloudy, with a low around 48. East southeast wind 3 to 7 mph.

Thursday
May 21
71°F
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
5 to 13 mph NE

A slight chance of rain showers before noon, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 71. Northeast wind 5 to 13 mph. Chance of precipitation is 20%.

Thursday Night
May 21
48°F
Mostly Clear
2 to 12 mph N

Mostly clear, with a low around 48.

Friday
May 22
74°F
Mostly Sunny
3 to 8 mph S

Mostly sunny, with a high near 74.

Friday Night
May 22
51°F
Partly Cloudy
2 to 8 mph ESE

Partly cloudy, with a low around 51.

Saturday
May 23
81°F
Sunny
6 to 9 mph SSE

Sunny, with a high near 81.

Saturday Night
May 23
56°F
Partly Cloudy
3 to 7 mph E

Partly cloudy, with a low around 56.

Sunday
May 24
85°F
Mostly Sunny
6 to 9 mph S

Mostly sunny, with a high near 85.

Sunday Night
May 24
58°F
Partly Cloudy
3 to 8 mph SSE

Partly cloudy, with a low around 58.

Memorial Day
May 25
87°F
Sunny
7 to 12 mph S

Sunny, with a high near 87.

Monday Night
May 25
58°F
Mostly Clear
9 mph SW

Mostly clear, with a low around 58.

Detailed Forecast

Period Conditions Temp Wind
Wednesday
May 20
Sunny
69°F
5 to 8 mph
NE
Wednesday Night
May 20
Mostly Cloudy
48°F
3 to 7 mph
ESE
Thursday
May 21
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
71°F
5 to 13 mph
NE
Thursday Night
May 21
Mostly Clear
48°F
2 to 12 mph
N
Friday
May 22
Mostly Sunny
74°F
3 to 8 mph
S
Friday Night
May 22
Partly Cloudy
51°F
2 to 8 mph
ESE
Saturday
May 23
Sunny
81°F
6 to 9 mph
SSE
Saturday Night
May 23
Partly Cloudy
56°F
3 to 7 mph
E
Sunday
May 24
Mostly Sunny
85°F
6 to 9 mph
S
Sunday Night
May 24
Partly Cloudy
58°F
3 to 8 mph
SSE
Memorial Day
May 25
Sunny
87°F
7 to 12 mph
S
Monday Night
May 25
Mostly Clear
58°F
9 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.