New River, AZ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New River, a community in Maricopa County, Arizona.
Today
107°F
Sunny
Sunny. High near 107, with temperatures falling to around 105 in the afternoon. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.
7-day forecast for New River
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 107°F | Sunny | 10 to 15 mph WSW | 2% |
| Tonight | 84°F | Mostly Clear then Patchy Blowing Dust | 0 to 15 mph S | 2% |
| Wednesday | 105°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph WSW | 10% |
| Wednesday Night | 83°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 10 mph NNE | 10% |
| Thursday | 107°F | Slight Chance Showers And Thunderstorms | 0 to 10 mph W | 19% |
| Thursday Night | 83°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 10 mph NNE | 19% |
| Friday | 108°F | Sunny | 0 to 10 mph S | 7% |
| Friday Night | 84°F | Partly Cloudy | 0 to 10 mph NNE | 7% |
| Saturday | 108°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 10 mph S | 26% |
| Saturday Night | 84°F | Chance Showers And Thunderstorms | 0 to 10 mph NNE | 26% |
| Sunday | 106°F | Chance Showers And Thunderstorms | 0 to 10 mph SSW | 29% |
| Sunday Night | 82°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 10 mph NNE | 29% |
| Monday | 102°F | Chance Showers And Thunderstorms | 0 to 10 mph SSW | 34% |
| Monday Night | 80°F | Chance Showers And Thunderstorms | 0 to 10 mph NNW | 34% |
Forecast source: National Weather Service (api.weather.gov) for New River (33.883, -112.086). Updated through the day.
Growing snapshot for New River
Last spring frost
Jan 8
First fall frost
Dec 25
Growing season
354 days
Hardiness zone
9b
More local growing data for New River: nearby ZIP 85086 weather · frost dates · planting calendar · Arizona frost dates
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Climate data from the nearest NOAA station, Phoenix Deer Valley Muni Ap, Az (9.7 mi from New River). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.