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CheckWeather USRiverton
Forecast confidence: Low · models disagree by 10°F

Riverton weather

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Light rain,rain likely tomorrow

NWS, the American and the European model put Riverton's high today between 69° and 79°, a 10° split. Tomorrow looks drizzle around 69°, with a 93% chance of rain.

74°58°
69°53°
73°50°
79°55°
75°58°
78°56°
Todaysplit ±10°Tomorrowmodels agreeSundaysplit ±7°Mondaysplit ±4°Tuesdaysplit ±9°Wednesdaysplit ±8°
NWSNational Blend (NBM)
74°
Light rain
Today 74°·Low 59°·Rain 49%
AmericanNOAA GFS
79°
Heavy showers
Today 79°·Low 60°·Rain 49%
EuropeanECMWF
69°
Light rain
Today 69°·Low 56°·Rain 99%
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Riverton weather alerts and warnings

active National Weather Service watches, warnings and advisories

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Riverton weather in numbers

from 30 years of measured normals

Riverton swings 69°F across the year, from 93°F highs in July to 24°F lows in January, and March is usually the wettest month in a year that brings about 33 in of precipitation.

Warmest month
July
93°F average high
Coldest month
January
24°F average low
Wettest month
March
33 in a year
Below freezing
4 months
January, February, March and December
Comfortable
2 months
May and October
Residents
42,000
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The weather map: all three models at once

NWS, American, European side by side around Riverton and nearby towns.Live rain radar →
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Riverton hourly forecast: next 14 hours

consensus of the three models

Rain in the next 24 hours, model by model

each model's own hourly precipitation, side by side

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Riverton 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Light rain
74° 58°
±10°
Tomorrow
Drizzle
69° 53°
models agree
Sun
Cloudy
73° 50°
±7°
Mon
Cloudy
79° 55°
±4°
Tue
Partly cloudy
75° 58°
±9°
Wed
Partly cloudy
78° 56°
±8°
Thu
Mostly clear
82° 58°
±5°
Fri
Cloudy
82° 61°
±10°
Sat
Light drizzle
81° 61°
±12°
Sun
Light drizzle
79° 61°
±11°
Mon
Light drizzle
77° 57°
±19°
Tue
Light drizzle
77° 56°
±4°
Wed
Light drizzle
84° 59°
models agree
Thu
Clear
73° 58°
±13°

Riverton, Utah (UT) is at its warmest in Jul (average highs near 93°F) and coldest in Jan (lows around 24°F), with roughly 33 in of precipitation across the year. Below, compare what NWS, American, European forecast for Riverton right now, and see exactly where they disagree.

We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in United States before you trust any single number.

Riverton climate by month

average daytime high and overnight low across a typical year
Jan
36°
24°
Feb
38°
24°
Mar
43°
27°
Apr
57°
37°
May
69°
47°
Jun
81°
59°
Jul
93°
68°
Aug
88°
66°
Sep
80°
58°
Oct
67°
47°
Nov
48°
32°
Dec
42°
29°

Which forecast is most accurate in Riverton?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
American logo
American ★ Best
78
/100rank #1
80±2.0°F84±5.0 mph7184% hitNOAA / NCEP (United States)College Park, Maryland, USA
European logo
European
71
/100rank #2
73±2.7°F94±2.0 mph5374% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom

The CheckWeather Score blends temperature, wind and rain accuracy, each measured against ERA5 (the recorded weather) over the last 30 days across 1999 cities. Lower error means a higher score. See which forecast model is most accurate in United States, how we measure forecast accuracy, or which model each weather app uses.

What do you think of the forecasts?

your vote counts

The accuracy above is the measured record. This is your opinion: which forecast service do you trust most in United States? Give each 1 to 5 stars.

NWSNational Blend (NBM)
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AmericanNOAA GFS
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EuropeanECMWF
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One vote per service. Anonymous: we store no personal data, only a one-way hash of your connection for a day to stop double votes.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±10°69° to 79°±50%49% to 99% chance
Tomorrow±3°67° to 70°±84%9% to 93% chance
Sun±7°70° to 77°±2%0% to 2% chance
Mon±4°77° to 81°±2%1% to 3% chance
Tue±9°71° to 80°±13%25% to 38% chance

The models often agree on temperature and still split on rain, and rain is usually what decides whether a plan survives. A wide rain range means the shower is genuinely uncertain, not that the forecast is wrong.

Sunrise and sunset in Riverton

today, local time
Sunrise
07:11
Sunset
19:31
Daylight
12h 20m

Common questions

What's the weather in Riverton today?
On this page we show what NWS, American, European each forecast for Riverton today, side by side and updated live. When all three agree the forecast is reliable; when they split, we flag it so you know the day is genuinely less certain.
Will it rain in Riverton today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Riverton and flag the days where the models disagree on whether showers actually arrive, which is exactly when a single app can catch you out.
Which forecast is most accurate for Riverton?
Over the last 30 days, the American model has been the most accurate for Riverton (CheckWeather Score 78/100), ahead of the European at 71. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Riverton?
July is typically the warmest month in Riverton, with average highs around 93°F.
How cold does Riverton get?
The coldest month in Riverton is January, when overnight lows average about 24°F.
How much rain does Riverton get?
Riverton sees roughly 33 in of precipitation a year, with March usually the wettest month.

Nearby

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