Youngtown, AZ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Youngtown, a town in Maricopa County, Arizona.
Tonight
78°F
Mostly Clear
Mostly clear, with a low around 78. Northwest wind 0 to 5 mph.
7-day forecast for Youngtown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 78°F | Mostly Clear | 0 to 5 mph NW | 0% |
| Saturday | 102°F | Sunny | 0 to 5 mph S | 0% |
| Saturday Night | 76°F | Mostly Clear | 0 to 5 mph NNW | 0% |
| Sunday | 101°F | Sunny | 5 mph SE | 0% |
| Sunday Night | 80°F | Partly Cloudy | 0 to 5 mph NW | 0% |
| Monday | 101°F | Mostly Sunny | 0 to 10 mph ESE | 2% |
| Monday Night | 78°F | Mostly Clear | 0 to 5 mph W | 8% |
| Tuesday | 101°F | Sunny | 0 to 5 mph ESE | 8% |
| Tuesday Night | 80°F | Mostly Clear | 5 to 10 mph N | 6% |
| Wednesday | 103°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph ESE | 13% |
| Wednesday Night | 82°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 15 mph ESE | 14% |
| Thursday | 101°F | Slight Chance Showers And Thunderstorms | 5 to 15 mph ESE | 19% |
| Thursday Night | 82°F | Slight Chance Showers And Thunderstorms | 5 to 15 mph E | 23% |
| Friday | 102°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 15 mph E | 23% |
Forecast source: National Weather Service (api.weather.gov) for Youngtown (33.585, -112.305). Updated through the day.
Growing snapshot for Youngtown
Last spring frost
Jan 20
First fall frost
Dec 15
Growing season
331 days
Hardiness zone
9b
More local growing data for Youngtown: nearby ZIP 85363 weather · frost dates · planting calendar · Arizona frost dates
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Climate data from the nearest NOAA station, Youngtown, Az (0.7 mi from Youngtown). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.