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CheckWeather USRiverton
Forecast confidence: High · models disagree by 3°F

Riverton weather

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Clear,much the same tomorrow

NWS, the American and the European model agree on a high near 88° in Riverton today. Tomorrow looks cloudy around 84°, with a 12% chance of rain.

88°64°
84°63°
74°61°
81°58°
85°60°
86°64°
Todaymodels agreeTomorrowsplit ±4°Mondaymodels agreeTuesdaysplit ±5°Wednesdaysplit ±4°Thursdaysplit ±5°
NWSNational Blend (NBM)
87°
Clear
Today 87°·Low 64°·Rain 0%
AmericanNOAA GFS
90°
Clear
Today 90°·Low 68°·Rain 0%
EuropeanECMWF
87°
Clear
Today 87°·Low 62°·Rain 0%

The weather map: all three models at once

NWS, American, European side by side around Riverton and nearby towns.Live rain radar →
Loading the three model maps…

Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split
Today
Clear
88° 64°
models agree
Tomorrow
Cloudy
84° 63°
±4°
Mon
Light drizzle
74° 61°
models agree
Tue
Mostly clear
81° 58°
±5°
Wed
Cloudy
85° 60°
±4°
Thu
Cloudy
86° 64°
±5°
Fri
Mostly clear
86° 65°
±4°
Sat
Partly cloudy
80° 60°
±15°
Sun
Light drizzle
76° 53°
±8°
Mon
Light drizzle
80° 56°
±6°
Tue
Light drizzle
84° 59°
±10°
Wed
Mostly clear
90° 65°
models agree
Thu
Cloudy
89° 66°
±6°
Fri
Light drizzle
85° 65°
models agree

Riverton, 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 Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
76
/100rank #1
75±2.5°F93±2.3 mph6581% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
75
/100rank #2
77±2.3°F86±4.3 mph6581% hitNOAA / NCEP (United States)College Park, Maryland, USA

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.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±3°87° to 90°models agree0% to 0% chance
Tomorrow±4°82° to 86°±2%10% to 12% chance
Mon±2°73° to 76°±35%46% to 81% chance
Tue±5°79° to 84°±3%1% to 4% chance
Wed±4°83° to 87°±1%0% to 1% 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
06:59
Sunset
19:53
Daylight
12h 54m

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 European model has been the most accurate for Riverton (CheckWeather Score 76/100), ahead of the American at 75. 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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