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Blackwater, AZ Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Blackwater, a community in Pinal County, Arizona.

Tonight
73°F
Mostly Clear
Mostly clear, with a low around 73. South wind 0 to 5 mph.

7-day forecast for Blackwater

WhenTempForecastWindPrecip
Tonight 73°F Mostly Clear 0 to 5 mph S 0%
Saturday 99°F Sunny 0 to 5 mph S 0%
Saturday Night 72°F Mostly Clear 0 to 5 mph SE 0%
Sunday 98°F Sunny 5 mph SSE 0%
Sunday Night 75°F Partly Cloudy 5 mph ESE 0%
Monday 98°F Mostly Sunny 5 mph SSE 2%
Monday Night 75°F Mostly Clear 0 to 5 mph S 9%
Tuesday 98°F Sunny 0 to 5 mph SSE 9%
Tuesday Night 77°F Partly Cloudy 5 to 10 mph ENE 8%
Wednesday 99°F Mostly Sunny 5 to 10 mph E 9%
Wednesday Night 78°F Partly Cloudy 5 to 15 mph E 14%
Thursday 98°F Slight Chance Showers And Thunderstorms 5 to 15 mph E 20%
Thursday Night 78°F Slight Chance Showers And Thunderstorms 10 to 15 mph E 20%
Friday 98°F Slight Chance Showers And Thunderstorms 5 to 15 mph ENE 25%

Forecast source: National Weather Service (api.weather.gov) for Blackwater (33.040, -111.580). Updated through the day.

Growing snapshot for Blackwater

Last spring frost
Feb 17
First fall frost
Nov 29
Growing season
284 days
Hardiness zone
9a

More local growing data for Blackwater: nearby ZIP 85128 weather · frost dates · planting calendar · Arizona frost dates

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Climate data from the nearest NOAA station, Casa Grande Nm, Az (2.7 mi from Blackwater). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.