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CheckWeather USJohns Creek
Forecast confidence: High · models disagree by 3°F

Johns Creek weather

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Drizzle,rain likely tomorrow

NWS, the American and the European model agree on a high near 97° in Johns Creek today. Tomorrow looks light drizzle around 96°, with a 38% chance of rain.

97°74°
96°73°
82°72°
87°70°
90°70°
88°72°
Todaymodels agreeTomorrowmodels agreeMondaymodels agreeTuesdaysplit ±5°Wednesdaysplit ±5°Thursdaysplit ±7°
NWSNational Blend (NBM)
97°
Drizzle
Today 97°·Low 74°·Rain 33%
AmericanNOAA GFS
99°
Cloudy
Today 99°·Low 73°·Rain 33%
EuropeanECMWF
95°
Light drizzle
Today 95°·Low 74°·Rain 57%

The weather map: all three models at once

NWS, American, European side by side around Johns Creek and nearby towns.Live rain radar →
Loading the three model maps…

Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split
Today
Drizzle
97° 74°
models agree
Tomorrow
Light drizzle
96° 73°
models agree
Mon
Light drizzle
82° 72°
models agree
Tue
Partly cloudy
87° 70°
±5°
Wed
Mostly clear
90° 70°
±5°
Thu
Showers
88° 72°
±7°
Fri
Light drizzle
90° 72°
models agree
Sat
Drizzle
89° 72°
models agree
Sun
Mostly clear
90° 72°
±8°
Mon
Mostly clear
89° 72°
±12°
Tue
Light drizzle
87° 70°
±13°
Wed
Light drizzle
85° 67°
±10°
Thu
Showers
79° 66°
±12°
Fri
Light drizzle
86° 65°
models agree

Johns Creek, GA is at its warmest in Jul (average highs near 89°F) and coldest in Jan (lows around 37°F), with roughly 54 in of precipitation across the year. Below, compare what NWS, American, European forecast for Johns Creek 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.

Johns Creek climate by month

average daytime high and overnight low across a typical year
Jan
53°
37°
Feb
61°
42°
Mar
65°
45°
Apr
71°
51°
May
78°
60°
Jun
86°
66°
Jul
89°
71°
Aug
89°
70°
Sep
82°
64°
Oct
74°
54°
Nov
64°
47°
Dec
55°
38°

Which forecast is most accurate in Johns Creek?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
88
/100rank #1
94±0.6°F96±1.3 mph7687% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
61
/100rank #2
89±1.1°F93±2.1 mph548% 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±3°95° to 99°±24%33% to 57% chance
Tomorrow±2°95° to 97°±21%17% to 38% chance
Mon±3°81° to 84°±38%21% to 59% chance
Tue±5°85° to 90°±31%6% to 37% chance
Wed±5°88° to 93°±23%6% to 29% 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 Johns Creek

today, local time
Sunrise
07:13
Sunset
19:57
Daylight
12h 44m

Common questions

What's the weather in Johns Creek today?
On this page we show what NWS, American, European each forecast for Johns Creek 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 Johns Creek today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Johns Creek 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 Johns Creek?
Over the last 30 days, the European model has been the most accurate for Johns Creek (CheckWeather Score 88/100), ahead of the American at 61. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Johns Creek?
July is typically the warmest month in Johns Creek, with average highs around 89°F.
How cold does Johns Creek get?
The coldest month in Johns Creek is January, when overnight lows average about 37°F.
How much rain does Johns Creek get?
Johns Creek sees roughly 54 in of precipitation a year, with January usually the wettest month.

Nearby

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