NWS, American, European side by side around Johns Creek and nearby towns.Live rain radar →
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Next 14 hours
consensus of the three models
7-day forecast
where the models agree, and where they split
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.
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°
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?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Johns Creek forecast is reliable, and when they split you should expect surprises. See our tested US accuracy scoreboard for how the models compare.
What is the warmest month in Johns Creek?
Jul 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 Jan, 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 Jan usually the wettest month.
The forecasts Americans check
The two biggest apps keep their model a secret, so we can't show their numbers, only link you to them. The National Weather Service is public, so its data sits right in the comparison above.