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Maryville weather

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NWSNational Blend (NBM)
49°
Clear
Feels 48° · Wind 0 mph · Humidity 90%
AmericanNOAA GFS
42°
Fog
Feels 39° · Wind 0 mph · Humidity 100%
EuropeanECMWF
52°
Clear
Feels 49° · Wind 2 mph · Humidity 74%

Latest for Maryville: NWS (National Blend (NBM)): 49° Clear · American (NOAA GFS): 42° Fog · European (ECMWF): 52° Clear.

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Maryville weather alerts and warnings

active National Weather Service watches, warnings and advisories

Checking the National Weather Service for active alerts covering Maryville…

Maryville weather in numbers

measured normals and 10 years of recorded weather

Maryville swings 59°F across the year, from 88°F highs in July to 29°F lows in January, and February is usually the wettest month in a year that brings about 49 in of precipitation. Over 10 years of recorded weather it averages 153 days a year at 77°F or above, 72 of them at 86°F or above, 50 frost nights, and rain on 137 days.

Warmest month
July
88°F average high
Coldest month
January
29°F average low
Wettest month
February
49 in a year
Comfortable
4 months
April, May, October and November
Residents
28,000
share this forecast
Most accurate here
European
98/100 CheckWeather Score
Warm days
153 days
a year at 77°F or above
Frost nights
50 nights
a year below 32°F
Rain days
137 days
a year with 0.04 in or more

Day counts are from the ERA5 reanalysis for Maryville’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 Maryville and nearby towns.Live rain radar →
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Maryville 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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Maryville 10-day forecast, out to 14 days

where the models agree, and where they split

Maryville, Tennessee (TN) is at its warmest in Jul (average highs near 88°F) and coldest in Jan (lows around 29°F), with roughly 49 in of precipitation across the year. Below, compare what NWS, American, European forecast for Maryville 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.

Maryville climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
47°
29°
Feb
53°
33°
Mar
59°
38°
Apr
69°
48°
May
78°
57°
Jun
85°
63°
Jul
88°
68°
Aug
87°
67°
Sep
81°
60°
Oct
71°
48°
Nov
60°
40°
Dec
51°
32°

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

How the weather around Maryville has changed since 1995

Maryville sits in the same roughly 50 km square of NASA's reanalysis as Knoxville. That square ran 1.6°F warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the Knoxville page.

Which forecast is most accurate in Maryville?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
98
/100rank #1
98±0.2°F97±1.0 mph100100% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
76
/100rank #2
84±1.6°F96±1.4 mph5374% 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 Maryville today?
On this page we show what NWS, American, European each forecast for Maryville 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 Maryville today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Maryville 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 Maryville?
Over the last 30 days, the European model has been the most accurate for Maryville (CheckWeather Score 98/100), ahead of the American at 76. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Maryville?
July is typically the warmest month in Maryville, with average highs around 88°F.
How cold does Maryville get?
The coldest month in Maryville is January, when overnight lows average about 29°F.
How much rain does Maryville get?
Maryville sees roughly 49 in of precipitation a year, with February usually the wettest month.

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