Sierra Vista weather
Loading live data…Clear,much the same tomorrow
NWS, the American and the European model agree on a high near 88° in Sierra Vista today. Tomorrow looks clear around 88°, with a 2% chance of rain.
CheckWeather.io on iPhoneFree. No ads, no account.Sierra Vista weather alerts and warnings
active National Weather Service watches, warnings and advisoriesChecking the National Weather Service for active alerts covering Sierra Vista…
Sierra Vista weather in numbers
from 30 years of measured normalsSierra Vista swings 62°F across the year, from 96°F highs in July to 34°F lows in January, and January is usually the wettest month in a year that brings about 8 in of precipitation.
The weather map: all three models at once
NWS, American, European side by side around Sierra Vista and nearby towns.Live rain radar →Sierra Vista 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…
Sierra Vista 10-day forecast, out to 14 days
where the models agree, and where they splitSierra Vista, Arizona (AZ) is at its warmest in Jul (average highs near 96°F) and coldest in Jan (lows around 34°F), with roughly 8 in of precipitation across the year. Below, compare what NWS, American, European forecast for Sierra Vista 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.
Sierra Vista climate by month
average daytime high and overnight low across a typical yearWhich forecast is most accurate in Sierra Vista?
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.
What do you think of the forecasts?
your vote countsThe 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.
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 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.