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CheckWeather US›Utah›American Fork

American Fork weather

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NWSNational Blend (NBM)
38°
Clear
Feels 34° · Wind 3 mph · Humidity 100%
AmericanNOAA GFS
38°
Clear
Feels 33° · Wind 6 mph · Humidity 91%
EuropeanECMWF
43°
Clear
Feels 39° · Wind 2 mph · Humidity 82%

Latest for American Fork: NWS (National Blend (NBM)): 38° Clear · American (NOAA GFS): 38° Clear · European (ECMWF): 43° Clear.

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American Fork weather alerts and warnings

active National Weather Service watches, warnings and advisories

Checking the National Weather Service for active alerts covering American Fork…

American Fork weather in numbers

measured normals and 10 years of recorded weather

American Fork swings 67°F across the year, from 89°F highs in July to 22°F lows in December, and May is usually the wettest month in a year that brings about 17 in of precipitation. Over 10 years of recorded weather it averages 110 days a year at 77°F or above, 69 of them at 86°F or above, 109 frost nights, and rain on 79 days.

Warmest month
July
89°F average high
Coldest month
December
22°F average low
Wettest month
May
17 in a year
Comfortable
3 months
June, September and October
Residents
28,000
share this forecast
Most accurate here
European
87/100 CheckWeather Score
Warm days
110 days
a year at 77°F or above
Frost nights
109 nights
a year below 32°F
Rain days
79 days
a year with 0.04 in or more

Day counts are from the ERA5 reanalysis for American Fork’s grid square, 2016 to 2025, counted the same way for every city so the numbers compare. A reanalysis square is an area, not a weather station, so it is good for counting days and not for a single day’s record.

The weather map: all three models at once

NWS, American, European side by side around American Fork and nearby towns.Live rain radar →
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American Fork 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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American Fork 10-day forecast, out to 14 days

where the models agree, and where they split

American Fork, Utah (UT) is at its warmest in Jul (average highs near 89°F) and coldest in Dec (lows around 22°F), with roughly 17 in of precipitation across the year. Below, compare what NWS, American, European forecast for American Fork 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.

American Fork climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
35°
24°
Feb
39°
27°
Mar
47°
32°
Apr
56°
38°
May
68°
49°
Jun
78°
59°
Jul
89°
67°
Aug
86°
66°
Sep
76°
56°
Oct
61°
43°
Nov
46°
31°
Dec
34°
22°

Source: 1991-2020 averages, ERA5 for this place adjusted with NASA POWER.

How the weather around American Fork has changed since 1995

American Fork sits in the same roughly 50 km square of NASA's reanalysis as West Valley City. That square ran 1.1°F warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the West Valley City page.

Which forecast is most accurate in American Fork?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
87
/100rank #1
87±1.3°F93±2.1 mph8290% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
84
/100rank #2
71±2.9°F88±3.8 mph9597% 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.

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.

Common questions

What's the weather in American Fork today?
On this page we show what NWS, American, European each forecast for American Fork 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 American Fork today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for American Fork 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 American Fork?
Over the last 30 days, the European model has been the most accurate for American Fork (CheckWeather Score 87/100), ahead of the American at 84. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in American Fork?
July is typically the warmest month in American Fork, with average highs around 89°F.
How cold does American Fork get?
The coldest month in American Fork is December, when overnight lows average about 22°F.
How much rain does American Fork get?
American Fork sees roughly 17 in of precipitation a year, with May usually the wettest month.

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