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Riverton, UT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Riverton, a city in Salt Lake County, Utah.

Today
92°F
Patchy Smoke
Patchy smoke. Sunny. High near 92, with temperatures falling to around 90 in the afternoon. North northwest wind 2 to 12 mph.

7-day forecast for Riverton

WhenTempForecastWindPrecip
Today 92°F Patchy Smoke 2 to 12 mph NNW 0%
Tonight 61°F Patchy Smoke 2 to 12 mph NW 0%
Wednesday 94°F Patchy Smoke 2 to 10 mph S 0%
Wednesday Night 64°F Patchy Smoke then Mostly Clear 3 to 10 mph ENE 0%
Thursday 99°F Sunny 5 to 8 mph S 0%
Thursday Night 69°F Mostly Clear 3 to 9 mph ENE 0%
Friday 102°F Sunny 7 mph S 0%
Friday Night 72°F Mostly Clear 3 to 9 mph ENE 0%
Saturday 102°F Sunny 5 to 8 mph SSE 0%
Saturday Night 73°F Partly Cloudy 3 to 8 mph E 1%
Sunday 101°F Mostly Sunny 7 to 10 mph SSW 7%
Sunday Night 72°F Slight Chance Showers And Thunderstorms then Partly Cloudy 6 to 12 mph SE 11%
Monday 98°F Mostly Sunny then Slight Chance Showers And Thunderstorms 9 to 13 mph S 15%
Monday Night 70°F Slight Chance Showers And Thunderstorms 6 to 10 mph ENE 19%

Forecast source: National Weather Service (api.weather.gov) for Riverton (40.518, -111.964). Updated through the day.

Growing snapshot for Riverton

Last spring frost
Apr 18
First fall frost
Oct 22
Growing season
185 days
Hardiness zone
7a

More local growing data for Riverton: nearby ZIP 84065 weather · frost dates · planting calendar · Utah frost dates

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Climate data from the nearest NOAA station, Draper-Point Of Mtn, Ut (2.4 mi from Riverton). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.