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CheckWeather US›Tennessee›East Chattanooga
Forecast confidence: High · models disagree by 1°F

East Chattanooga weather

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Clear,much the same tomorrow

NWS, the American and the European model agree on a high near 72° in East Chattanooga today. Tomorrow: mostly clear, around 72°, with a 0% chance of rain.

72°48°
72°48°
72°49°
74°49°
72°52°
74°50°
Todaymodels agreeTomorrowmodels agreeMondaymodels agreeTuesdaymodels agreeWednesdaymodels agreeThursdaymodels agree
NWSNational Blend (NBM)
73°
Clear
Today 73°·Low 47°·Rain 0%
AmericanNOAA GFS
73°
Cloudy
Today 73°·Low 46°·Rain 0%
EuropeanECMWF
72°
Clear
Today 72°·Low 51°·Rain 0%
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East Chattanooga weather alerts and warnings

active National Weather Service watches, warnings and advisories

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East Chattanooga weather in numbers

measured normals and 10 years of recorded weather

East Chattanooga swings 57°F across the year, from 88°F highs in July to 31°F lows in January, and February is usually the wettest month in a year that brings about 52 in of precipitation. Over 10 years of recorded weather it averages 154 days a year at 77°F or above, 71 of them at 86°F or above, 40 frost nights, and rain on 136 days.

Warmest month
July
88°F average high
Coldest month
January
31°F average low
Wettest month
February
52 in a year
Comfortable
4 months
March, April, May and October
Residents
154,000
share this forecast
Most accurate here
European
92/100 CheckWeather Score
Warm days
154 days
a year at 77°F or above
Frost nights
40 nights
a year below 32°F
Rain days
136 days
a year with 0.04 in or more

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

where the models agree, and where they split
Today
Clear
72° 48°
models agree
Tomorrow
Mostly clear
72° 48°
models agree
Mon
Cloudy
72° 49°
models agree
Tue
Cloudy
74° 49°
models agree
Wed
Cloudy
72° 52°
models agree
Thu
Mostly clear
74° 50°
models agree
Fri
Mostly clear
76° 51°
models agree
Sat
Cloudy
76° 53°
models agree
Sun
Light drizzle
72° 60°
±5°
Mon
Rain
72° 53°
±8°
Tue
Clear
66° 46°
models agree
Wed
Cloudy
67° 47°
models agree
Thu
Cloudy
67° 47°
±11°

East Chattanooga, Tennessee (TN) is at its warmest in Jul (average highs near 88°F) and coldest in Jan (lows around 31°F), with roughly 52 in of precipitation across the year. Below, compare what NWS, American, European forecast for East Chattanooga 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.

East Chattanooga climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
47°
31°
Feb
54°
34°
Mar
61°
41°
Apr
69°
49°
May
77°
58°
Jun
86°
65°
Jul
88°
69°
Aug
87°
68°
Sep
81°
62°
Oct
72°
52°
Nov
59°
41°
Dec
51°
35°

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

How the weather around East Chattanooga has changed since 1995

East Chattanooga sits in the same roughly 50 km square of NASA's reanalysis as Chattanooga. That square ran 1.8°F warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the Chattanooga page.

Which forecast is most accurate in East Chattanooga?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
92
/100rank #1
86±1.4°F98±0.7 mph9597% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
78
/100rank #2
80±2.0°F95±1.7 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.

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±1°72° to 73°models agree0% to 0% chance
Tomorrow±1°71° to 72°models agree0% to 0% chance
Mon±1°72° to 73°models agree0% to 0% chance
Tuemodels agree74° to 74°models agree0% to 0% chance
Wedmodels agree72° to 72°models agree0% to 0% 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 East Chattanooga

today, local time
Sunrise
07:54
Sunset
18:54
Daylight
11h 0m

Common questions

What's the weather in East Chattanooga today?
Saturday, October 24: NWS, the American and the European model agree on a high near 72° in East Chattanooga today. Tomorrow: mostly clear, around 72°, with a 0% chance of rain. The forecast on this page refreshes live.
Will it rain in East Chattanooga today or tomorrow?
Rain looks unlikely in East Chattanooga on Sunday, October 25: no model gives more than 0% (NWS 0%, American 0%, European 0%). On Saturday, October 24 the highest chance of rain from any model is 0%. The hourly strip and the model-by-model rain panel above update live.
Which forecast is most accurate for East Chattanooga?
Over the last 30 days, the European model has been the most accurate for East Chattanooga (CheckWeather Score 92/100), ahead of the American at 78. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in East Chattanooga?
July is typically the warmest month in East Chattanooga, with average highs around 88°F.
How cold does East Chattanooga get?
The coldest month in East Chattanooga is January, when overnight lows average about 31°F.
How much rain does East Chattanooga get?
East Chattanooga sees roughly 52 in of precipitation a year, with February usually the wettest month.

Nearby

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