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Perry Hall weather

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Perry Hall weather alerts and warnings

active National Weather Service watches, warnings and advisories

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Perry Hall weather in numbers

measured normals and 10 years of recorded weather

Perry Hall 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 48 in of precipitation. Over 10 years of recorded weather it averages 112 days a year at 77°F or above, 32 of them at 86°F or above, 68 frost nights, and rain on 136 days.

Warmest month
July
84°F average high
Coldest month
January
26°F average low
Wettest month
July
48 in a year
Comfortable
4 months
April, May, September and October
Residents
28,000
share this forecast
Most accurate here
European
91/100 CheckWeather Score
Warm days
112 days
a year at 77°F or above
Frost nights
68 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 Perry Hall’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 Perry Hall and nearby towns.Live rain radar →
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Perry Hall 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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Perry Hall 10-day forecast, out to 14 days

where the models agree, and where they split

Perry Hall, Maryland (MD) is at its warmest in Jul (average highs near 84°F) and coldest in Jan (lows around 26°F), with roughly 48 in of precipitation across the year. Below, compare what NWS, American, European forecast for Perry Hall 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.

Perry Hall climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
39°
26°
Feb
43°
27°
Mar
51°
33°
Apr
62°
43°
May
71°
53°
Jun
81°
62°
Jul
84°
67°
Aug
83°
66°
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 Perry Hall has changed since 1995

Perry Hall 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 Perry Hall?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
91
/100rank #1
93±0.7°F99±0.4 mph8290% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
84
/100rank #2
88±1.2°F96±1.4 mph7184% 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 Perry Hall today?
On this page we show what NWS, American, European each forecast for Perry Hall 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 Perry Hall today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Perry Hall 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 Perry Hall?
Over the last 30 days, the European model has been the most accurate for Perry Hall (CheckWeather Score 91/100), ahead of the American at 84. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Perry Hall?
July is typically the warmest month in Perry Hall, with average highs around 84°F.
How cold does Perry Hall get?
The coldest month in Perry Hall is January, when overnight lows average about 26°F.
How much rain does Perry Hall get?
Perry Hall sees roughly 48 in of precipitation a year, with July usually the wettest month.

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