Phoenix, AZ weather
Right now 82°, clear · today 100° / 79°, sunny · seven days from the National Weather Service
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Right now · 82° · clear · wind E 6 mph · the same as this time yesterday · at Phoenix Sky Harbor, 2:55 AM
Today, in the Weather Service’s words
Sunny. High near 100, with temperatures falling to around 98 in the afternoon. East wind 0 to 5 mph.
Seven days
Winter in Phoenix
Phoenix sees essentially no snow in an average year, according to NOAA’s 1991-2020 climate normals - a essentially snowless place. Measurable snow is close to unheard of. On the rare occasion it falls, everything stops.
That is why local snowfall thresholds differ so much from one town to the next: a district that plans for 0 inches a year is equipped differently from one that never sees any. Here, roughly 0.5 inches in a single storm is where a normal school day comes under threat.
Upper air over Phoenix
The nearest radiosonde launch is Phoenix, about 0 miles away. A weather balloon goes up twice a day and measures temperature, humidity and wind all the way through the atmosphere - which is what forecasters actually read to judge whether storms will fire, and how a surface forecast was arrived at.
Sources: National Weather Service forecast and hourly grid for Phoenix (api.weather.gov), updated Tue, 7:12 AM UTC. Sunrise and sunset from NOAA’s solar position calculations. Snowfall normals from NOAA’s 1991-2020 US Climate Normals. County lines from the US Census Bureau.