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Lebanon weather

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Lebanon weather alerts and warnings

active National Weather Service watches, warnings and advisories

Checking the National Weather Service for active alerts covering Lebanon…

Lebanon weather in numbers

measured normals and 10 years of recorded weather

Lebanon swings 59°F across the year, from 88°F highs in July to 29°F lows in January, and May 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, 74 of them at 86°F or above, 48 frost nights, and rain on 151 days.

Warmest month
July
88°F average high
Coldest month
January
29°F average low
Wettest month
May
52 in a year
Comfortable
3 months
March, April and October
Residents
30,000
share this forecast
Most accurate here
European
92/100 CheckWeather Score
Warm days
154 days
a year at 77°F or above
Frost nights
48 nights
a year below 32°F
Rain days
151 days
a year with 0.04 in or more

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

where the models agree, and where they split

Lebanon, Tennessee (TN) is at its warmest in Jul (average highs near 88°F) and coldest in Jan (lows around 29°F), with roughly 52 in of precipitation across the year. Below, compare what NWS, American, European forecast for Lebanon 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.

Lebanon climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
46°
29°
Feb
52°
32°
Mar
60°
39°
Apr
69°
49°
May
78°
58°
Jun
87°
65°
Jul
88°
69°
Aug
88°
68°
Sep
81°
61°
Oct
71°
50°
Nov
58°
40°
Dec
50°
34°

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

How the weather around Lebanon has changed since 1995

Lebanon sits in the same roughly 50 km square of NASA's reanalysis as Murfreesboro. That square ran 1.4°F warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the Murfreesboro page.

Which forecast is most accurate in Lebanon?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
92
/100rank #1
98±0.2°F98±0.5 mph8290% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
85
/100rank #2
87±1.3°F96±1.3 mph7687% 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 Lebanon today?
On this page we show what NWS, American, European each forecast for Lebanon 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 Lebanon today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Lebanon 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 Lebanon?
Over the last 30 days, the European model has been the most accurate for Lebanon (CheckWeather Score 92/100), ahead of the American at 85. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Lebanon?
July is typically the warmest month in Lebanon, with average highs around 88°F.
How cold does Lebanon get?
The coldest month in Lebanon is January, when overnight lows average about 29°F.
How much rain does Lebanon get?
Lebanon sees roughly 52 in of precipitation a year, with May usually the wettest month.

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