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Forecast confidence: High · models disagree by 3°F

Frederick weather

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Light drizzle,much the same tomorrow

NWS, the American and the European model agree on a high near 81° in Frederick today. Tomorrow looks cloudy around 77°, with a 8% chance of rain.

81°68°
77°60°
81°67°
70°59°
62°57°
61°52°
Todaymodels agreeTomorrowmodels agreeSundaysplit ±9°Mondaymodels agreeTuesdaysplit ±5°Wednesdaymodels agree
NWSNational Blend (NBM)
80°
Light drizzle
Today 80°·Low 67°·Rain 18%
AmericanNOAA GFS
80°
Cloudy
Today 80°·Low 68°·Rain 18%
EuropeanECMWF
83°
Drizzle
Today 83°·Low 69°·Rain 90%
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Frederick weather alerts and warnings

active National Weather Service watches, warnings and advisories

Checking the National Weather Service for active alerts covering Frederick…

Frederick weather in numbers

from 30 years of measured normals

Frederick swings 60°F across the year, from 90°F highs in July to 30°F lows in January, and August is usually the wettest month in a year that brings about 42 in of precipitation.

Warmest month
July
90°F average high
Coldest month
January
30°F average low
Wettest month
August
42 in a year
Below freezing
2 months
January and February
Comfortable
4 months
April, May, September and October
Residents
69,000
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The weather map: all three models at once

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

where the models agree, and where they split
Today
Light drizzle
81° 68°
models agree
Tomorrow
Cloudy
77° 60°
models agree
Sun
Drizzle
81° 67°
±9°
Mon
Drizzle
70° 59°
models agree
Tue
Light rain
62° 57°
±5°
Wed
Heavy drizzle
61° 52°
models agree
Thu
Light drizzle
64° 54°
±4°
Fri
Light drizzle
70° 55°
±7°
Sat
Light drizzle
70° 52°
models agree
Sun
Light drizzle
72° 52°
±5°
Mon
Light drizzle
74° 55°
models agree
Tue
Light drizzle
76° 56°
models agree
Wed
Light rain
75° 58°
models agree
Thu
Mostly clear
71° 51°
±6°

Frederick, Maryland (MD) is at its warmest in Jul (average highs near 90°F) and coldest in Jan (lows around 30°F), with roughly 42 in of precipitation across the year. Below, compare what NWS, American, European forecast for Frederick 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.

Frederick climate by month

average daytime high and overnight low across a typical year
Jan
45°
30°
Feb
50°
31°
Mar
55°
35°
Apr
68°
45°
May
74°
53°
Jun
84°
61°
Jul
90°
69°
Aug
85°
65°
Sep
78°
59°
Oct
68°
48°
Nov
56°
38°
Dec
47°
32°

Which forecast is most accurate in Frederick?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
82
/100rank #1
83±1.7°F97±0.8 mph7184% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
73
/100rank #2
86±1.4°F94±1.9 mph4268% 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±3°80° to 83°±72%18% to 90% chance
Tomorrow±2°77° to 78°±8%0% to 8% chance
Sun±9°78° to 87°±33%55% to 88% chance
Mon±3°69° to 72°±3%55% to 58% chance
Tue±5°60° to 64°±3%57% to 60% 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 Frederick

today, local time
Sunrise
06:53
Sunset
19:13
Daylight
12h 20m

Common questions

What's the weather in Frederick today?
On this page we show what NWS, American, European each forecast for Frederick 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 Frederick today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Frederick 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 Frederick?
Over the last 30 days, the European model has been the most accurate for Frederick (CheckWeather Score 82/100), ahead of the American at 73. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Frederick?
July is typically the warmest month in Frederick, with average highs around 90°F.
How cold does Frederick get?
The coldest month in Frederick is January, when overnight lows average about 30°F.
How much rain does Frederick get?
Frederick sees roughly 42 in of precipitation a year, with August usually the wettest month.

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