Harman US

Surprise, AZ Weather & Growing Conditions

Today
111°F
Sunny
Sunny. High near 111, with temperatures falling to around 109 in the afternoon. Heat index values as high as 113. West wind 0 to 15 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 111°F Sunny 0 to 15 mph W 1%
Tonight 89°F Mostly Clear then Patchy Blowing Dust 5 to 15 mph SW 2%
Wednesday 109°F Sunny 5 to 10 mph W 8%
Wednesday Night 88°F Partly Cloudy 0 to 10 mph W 8%
Thursday 111°F Mostly Sunny then Slight Chance Showers And Thunderstorms 0 to 10 mph WSW 12%
Thursday Night 88°F Slight Chance Showers And Thunderstorms then Partly Cloudy 0 to 10 mph NW 12%
Friday 113°F Sunny then Slight Chance Showers And Thunderstorms 0 to 5 mph WSW 10%
Friday Night 89°F Slight Chance Showers And Thunderstorms then Partly Cloudy 5 to 10 mph SW 10%
Saturday 112°F Sunny then Slight Chance Showers And Thunderstorms 0 to 5 mph SW 18%
Saturday Night 89°F Slight Chance Showers And Thunderstorms then Partly Cloudy 5 to 10 mph WNW 18%
Sunday 110°F Chance Showers And Thunderstorms 5 to 10 mph SW 28%
Sunday Night 86°F Chance Showers And Thunderstorms 5 to 10 mph NW 28%
Monday 106°F Chance Showers And Thunderstorms 5 to 10 mph SSW 29%
Monday Night 84°F Chance Showers And Thunderstorms 0 to 10 mph W 29%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Surprise, AZ

Last spring frost
Jan 20
First fall frost
Dec 15
Growing season
331 days
Hardiness zone
9b

Explore more for Surprise, AZ: full frost dates · planting calendar · Arizona frost dates

Climate data from the nearest NOAA station, Youngtown, Az (3.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.