New River, AZ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New River, a community in Maricopa County, Arizona.
Overnight
76°F
Mostly Clear
Mostly clear, with a low around 76. Northeast wind around 5 mph.
7-day forecast for New River
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 76°F | Mostly Clear | 5 mph NE | 0% |
| Saturday | 98°F | Sunny | 5 mph SSE | 0% |
| Saturday Night | 76°F | Mostly Clear | 0 to 5 mph NNE | 0% |
| Sunday | 97°F | Sunny | 5 mph SSE | 0% |
| Sunday Night | 77°F | Partly Cloudy | 0 to 5 mph N | 1% |
| Monday | 97°F | Mostly Sunny | 5 to 10 mph SE | 1% |
| Monday Night | 75°F | Mostly Clear | 0 to 5 mph NE | 9% |
| Tuesday | 97°F | Sunny | 0 to 10 mph SSE | 9% |
| Tuesday Night | 76°F | Mostly Clear | 0 to 10 mph N | 5% |
| Wednesday | 99°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 15 mph ESE | 14% |
| Wednesday Night | 78°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph ENE | 14% |
| Thursday | 97°F | Slight Chance Showers And Thunderstorms | 5 to 15 mph E | 28% |
| Thursday Night | 77°F | Chance Showers And Thunderstorms | 5 to 15 mph ENE | 28% |
| Friday | 97°F | Slight Chance Showers And Thunderstorms | 5 to 15 mph SE | 20% |
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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Phoenix
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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 Sep 19, 2026.