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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.

Overnight
52°F
Scattered Showers And Thunderstorms
Scattered showers and thunderstorms. Mostly cloudy. Low around 52, with temperatures rising to around 54 overnight. North northwest wind around 2 mph. Chance of precipitation is 30%.

7-day forecast for Riverton

WhenTempForecastWindPrecip
Overnight 52°F Scattered Showers And Thunderstorms 2 mph NNW 30%
Saturday 71°F Isolated Showers And Thunderstorms 2 to 7 mph NNW 25%
Saturday Night 47°F Mostly Clear 2 to 8 mph NW 3%
Sunday 73°F Sunny 5 mph NW 0%
Sunday Night 48°F Partly Cloudy 5 mph ENE 0%
Monday 79°F Mostly Sunny 3 mph SSE 0%
Monday Night 54°F Mostly Cloudy then Slight Chance Showers And Thunderstorms 5 mph NE 10%
Tuesday 77°F Chance Showers And Thunderstorms 5 mph S 43%
Tuesday Night 50°F Chance Showers And Thunderstorms 1 to 5 mph SE 33%
Wednesday 79°F Sunny 6 mph S 11%
Wednesday Night 53°F Mostly Clear 1 to 5 mph ESE 2%
Thursday 83°F Sunny 2 to 6 mph SSE 2%
Thursday Night 56°F Partly Cloudy 1 to 7 mph SSE 0%
Friday 83°F Mostly Sunny 6 to 10 mph S 7%

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 Sep 19, 2026.