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CheckWeather US›Maryland›Bel Air South
Forecast confidence: High · models disagree by 2°F

Bel Air South weather

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Mostly clear,much the same tomorrow

NWS, the American and the European model agree on a high near 60° in Bel Air South today. Tomorrow: clear, around 63°, with a 0% chance of rain.

60°40°
63°41°
68°43°
63°47°
60°42°
64°45°
Todaymodels agreeTomorrowmodels agreeMondaymodels agreeTuesdaymodels agreeWednesdaymodels agreeThursdaysplit ±4°
NWSNational Blend (NBM)
61°
Mostly clear
Today 61°·Low 38°·Rain 0%
AmericanNOAA GFS
59°
Clear
Today 59°·Low 40°·Rain 0%
EuropeanECMWF
60°
Mostly clear
Today 60°·Low 40°·Rain 0%
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Bel Air South weather alerts and warnings

active National Weather Service watches, warnings and advisories

Checking the National Weather Service for active alerts covering Bel Air South…

Bel Air South weather in numbers

measured normals and 10 years of recorded weather

Bel Air South swings 58°F across the year, from 84°F highs in July to 26°F lows in January, and July is usually the wettest month in a year that brings about 49 in of precipitation. Over 10 years of recorded weather it averages 113 days a year at 77°F or above, 35 of them at 86°F or above, 71 frost nights, and rain on 136 days.

Warmest month
July
84°F average high
Coldest month
January
26°F average low
Wettest month
July
49 in a year
Comfortable
4 months
April, May, September and October
Residents
48,000
share this forecast
Most accurate here
European
91/100 CheckWeather Score
Warm days
113 days
a year at 77°F or above
Frost nights
71 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 Bel Air South’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 Bel Air South and nearby towns.Live rain radar →
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Bel Air South 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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Bel Air South 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Mostly clear
60° 40°
models agree
Tomorrow
Clear
63° 41°
models agree
Mon
Clear
68° 43°
models agree
Tue
Mostly clear
63° 47°
models agree
Wed
Cloudy
60° 42°
models agree
Thu
Partly cloudy
64° 45°
±4°
Fri
Clear
69° 48°
±7°
Sat
Cloudy
66° 48°
models agree
Sun
Cloudy
63° 48°
±5°
Mon
Light drizzle
62° 53°
±14°
Tue
Cloudy
61° 45°
models agree
Wed
Cloudy
53° 40°
models agree
Thu
Cloudy
57° 38°
models agree

Bel Air South, Maryland (MD) is at its warmest in Jul (average highs near 84°F) and coldest in Jan (lows around 26°F), with roughly 49 in of precipitation across the year. Below, compare what NWS, American, European forecast for Bel Air South 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.

Bel Air South climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
40°
26°
Feb
43°
26°
Mar
51°
33°
Apr
62°
43°
May
72°
53°
Jun
81°
62°
Jul
84°
66°
Aug
83°
65°
Sep
76°
59°
Oct
65°
47°
Nov
55°
38°
Dec
45°
31°

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

How the weather around Bel Air South has changed since 1995

Bel Air South sits in the same roughly 50 km square of NASA's reanalysis as Dundalk. That square ran 2.0°F warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the Dundalk page.

Which forecast is most accurate in Bel Air South?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
91
/100rank #1
94±0.6°F99±0.5 mph8290% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
91
/100rank #2
90±1.0°F95±1.6 mph8994% 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±2°59° to 61°models agree0% to 0% chance
Tomorrow±3°62° to 64°models agree0% to 0% chance
Mon±1°67° to 68°models agree0% to 0% chance
Tue±4°61° to 65°models agree0% to 0% chance
Wed±3°59° to 62°±1%1% to 2% 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 Bel Air South

today, local time
Sunrise
07:24
Sunset
18:13
Daylight
10h 49m

Common questions

What's the weather in Bel Air South today?
Saturday, October 24: NWS, the American and the European model agree on a high near 60° in Bel Air South today. Tomorrow: clear, around 63°, with a 0% chance of rain. The forecast on this page refreshes live.
Will it rain in Bel Air South today or tomorrow?
Rain looks unlikely in Bel Air South 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 Bel Air South?
Over the last 30 days, the European model has been the most accurate for Bel Air South (CheckWeather Score 91/100), ahead of the American at 91. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Bel Air South?
July is typically the warmest month in Bel Air South, with average highs around 84°F.
How cold does Bel Air South get?
The coldest month in Bel Air South is January, when overnight lows average about 26°F.
How much rain does Bel Air South get?
Bel Air South sees roughly 49 in of precipitation a year, with July usually the wettest month.

Nearby

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