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CheckWeather USGwynn Oak
Forecast confidence: High · models disagree by 2°F

Gwynn Oak weather

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Light drizzle,much the same tomorrow

NWS, the American and the European model agree on a high near 80° in Gwynn Oak today. Tomorrow looks mostly clear around 81°, with a 2% chance of rain.

80°69°
81°63°
80°61°
85°63°
90°67°
91°72°
Todaymodels agreeTomorrowmodels agreeMondaysplit ±4°Tuesdaysplit ±6°Wednesdaysplit ±6°Thursdaysplit ±11°
NWSNational Blend (NBM)
72°
Clear
Feels 74° · Wind 4 mph · Humidity 70%
AmericanNOAA GFS
73°
Clear
Feels 72° · Wind 4 mph · Humidity 53%
EuropeanECMWF
72°
Clear
Feels 72° · Wind 4 mph · Humidity 60%

Latest for Gwynn Oak: NWS (National Blend (NBM)): 72° Clear · American (NOAA GFS): 73° Clear · European (ECMWF): 72° Clear.

The weather map: all three models at once

NWS, American, European side by side around Gwynn Oak and nearby towns.Live rain radar →
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Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split
Today
Light drizzle
80° 69°
models agree
Tomorrow
Mostly clear
81° 63°
models agree
Mon
Mostly clear
80° 61°
±4°
Tue
Mostly clear
85° 63°
±6°
Wed
Cloudy
90° 67°
±6°
Thu
Light drizzle
91° 72°
±11°
Fri
Partly cloudy
83° 67°
±12°
Sat
Mostly clear
84° 66°
±11°
Sun
Mostly clear
87° 70°
±9°
Mon
Light drizzle
88° 69°
±17°
Tue
Drizzle
82° 67°
±25°
Wed
Drizzle
76° 61°
±7°
Thu
Light drizzle
76° 60°
models agree
Fri
Light rain
72° 60°
±12°

Gwynn Oak, MD is at its warmest in Jul (average highs near 88°F) and coldest in Jan (lows around 32°F), with roughly 48 in of precipitation across the year. Below, compare what NWS, American, European forecast for Gwynn Oak 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.

Gwynn Oak climate by month

average daytime high and overnight low across a typical year
Jan
46°
32°
Feb
50°
32°
Mar
55°
36°
Apr
66°
46°
May
73°
53°
Jun
83°
62°
Jul
88°
69°
Aug
84°
66°
Sep
77°
61°
Oct
68°
50°
Nov
56°
40°
Dec
47°
33°

Which forecast is most accurate in Gwynn Oak?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
91
/100rank #1
90±1.0°F97±1.0 mph8994% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
68
/100rank #2
80±2.0°F94±1.8 mph3665% 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.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±2°79° to 81°±33%12% to 45% chance
Tomorrow±3°80° to 82°±1%1% to 2% chance
Mon±4°78° to 82°±3%0% to 3% chance
Tue±6°82° to 88°±2%0% to 2% chance
Wed±6°86° to 93°±11%1% to 12% 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 Gwynn Oak

today, local time
Sunrise
06:39
Sunset
19:31
Daylight
12h 52m

Common questions

What's the weather in Gwynn Oak today?
On this page we show what NWS, American, European each forecast for Gwynn Oak 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 Gwynn Oak today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Gwynn Oak 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 Gwynn Oak?
Over the last 30 days, the European model has been the most accurate for Gwynn Oak (CheckWeather Score 91/100), ahead of the American at 68. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Gwynn Oak?
July is typically the warmest month in Gwynn Oak, with average highs around 88°F.
How cold does Gwynn Oak get?
The coldest month in Gwynn Oak is January, when overnight lows average about 32°F.
How much rain does Gwynn Oak get?
Gwynn Oak sees roughly 48 in of precipitation a year, with April usually the wettest month.

Nearby

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