Johnson City weather
Loading live data…Rain,rain likely tomorrow
NWS, the American and the European model agree on a high near 87° in Johnson City today. Tomorrow looks light rain around 86°, with a 54% chance of rain.
Latest for Johnson City: NWS (National Blend (NBM)): 87° Mainly clear · American (NOAA GFS): 86° Clear · European (ECMWF): 87° Clear.
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Johnson City weather in numbers
from 30 years of measured normalsJohnson City swings 56°F across the year, from 87°F highs in July to 31°F lows in January, and September is usually the wettest month in a year that brings about 44 in of precipitation.
The weather map: all three models at once
NWS, American, European side by side around Johnson City and nearby towns.Live rain radar →Johnson City hourly forecast: next 14 hours
consensus of the three modelsRain in the next 24 hours, model by model
each model's own hourly precipitation, side by sideLoading the three models…
Johnson City 10-day forecast, out to 14 days
where the models agree, and where they splitJohnson City, Tennessee (TN) is at its warmest in Jul (average highs near 87°F) and coldest in Jan (lows around 31°F), with roughly 44 in of precipitation across the year. Below, compare what NWS, American, European forecast for Johnson City 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.
Johnson City climate by month
average daytime high and overnight low across a typical yearWhich forecast is most accurate in Johnson City?
CheckWeather Score, graded against the weather that actually happened
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.
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Where the models disagree
temperature and rain, judged separatelyThe 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.