Harman US

Surprise, AZ Weather & Growing Conditions

Today
110°F
Sunny
Sunny. High near 110, with temperatures falling to around 108 in the afternoon. Heat index values as high as 114. West southwest wind 5 to 15 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 110°F Sunny 5 to 15 mph WSW 1%
Tonight 88°F Mostly Clear then Patchy Blowing Dust 5 to 20 mph WSW 2%
Wednesday 108°F Sunny 0 to 10 mph WSW 7%
Wednesday Night 87°F Partly Cloudy 5 to 10 mph WSW 7%
Thursday 111°F Mostly Sunny then Slight Chance Showers And Thunderstorms 0 to 10 mph WSW 11%
Thursday Night 87°F Slight Chance Showers And Thunderstorms then Partly Cloudy 5 to 10 mph WNW 11%
Friday 112°F Sunny then Slight Chance Showers And Thunderstorms 0 to 10 mph WSW 10%
Friday Night 88°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 15%
Saturday Night 88°F Slight Chance Showers And Thunderstorms then Partly Cloudy 5 to 10 mph W 15%
Sunday 110°F Chance Showers And Thunderstorms 5 to 10 mph SW 27%
Sunday Night 86°F Chance Showers And Thunderstorms 5 to 10 mph WNW 27%
Monday 106°F Chance Showers And Thunderstorms 5 to 10 mph SSW 28%
Monday Night 84°F Chance Showers And Thunderstorms 5 to 10 mph WSW 28%

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 (7.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.