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CheckWeather USMount Lebanon

Mount Lebanon weather

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Mount Lebanon weather alerts and warnings

active National Weather Service watches, warnings and advisories

Checking the National Weather Service for active alerts covering Mount Lebanon…

Mount Lebanon weather in numbers

from 30 years of measured normals

Mount Lebanon swings 56°F across the year, from 85°F highs in July to 29°F lows in January, and April is usually the wettest month in a year that brings about 46 in of precipitation.

Warmest month
July
85°F average high
Coldest month
January
29°F average low
Wettest month
April
46 in a year
Below freezing
2 months
January and February
Comfortable
3 months
May, September and October
Residents
33,000
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The weather map: all three models at once

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

where the models agree, and where they split

Mount Lebanon, Pennsylvania (PA) is at its warmest in Jul (average highs near 85°F) and coldest in Jan (lows around 29°F), with roughly 46 in of precipitation across the year. Below, compare what NWS, American, European forecast for Mount 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.

Mount Lebanon climate by month

average daytime high and overnight low across a typical year
Jan
41°
29°
Feb
49°
29°
Mar
53°
33°
Apr
65°
43°
May
72°
51°
Jun
80°
59°
Jul
85°
65°
Aug
82°
62°
Sep
77°
58°
Oct
66°
47°
Nov
53°
37°
Dec
45°
32°

Which forecast is most accurate in Mount Lebanon?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
86
/100rank #1
91±0.9°F98±0.6 mph7184% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
64
/100rank #2
86±1.4°F95±1.6 mph1855% 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 Mount Lebanon today?
On this page we show what NWS, American, European each forecast for Mount 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 Mount Lebanon today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Mount 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 Mount Lebanon?
Over the last 30 days, the European model has been the most accurate for Mount Lebanon (CheckWeather Score 86/100), ahead of the American at 64. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Mount Lebanon?
July is typically the warmest month in Mount Lebanon, with average highs around 85°F.
How cold does Mount Lebanon get?
The coldest month in Mount Lebanon is January, when overnight lows average about 29°F.
How much rain does Mount Lebanon get?
Mount Lebanon sees roughly 46 in of precipitation a year, with April usually the wettest month.

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