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
74°F
Sunny
Sunny. High near 74, with temperatures falling to around 72 in the afternoon. Northwest wind around 0 mph.
7-day forecast for New River
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Sunny | 0 mph | 0% |
| Tonight | 58°F | Partly Cloudy | 0 mph | 0% |
| Wednesday | 73°F | Sunny | 0 to 5 mph SW | 0% |
| Wednesday Night | 55°F | Clear | 0 to 5 mph NE | 0% |
| Thursday | 75°F | Sunny | 0 to 5 mph S | 0% |
| Thursday Night | 58°F | Partly Cloudy | 0 to 10 mph N | 0% |
| Friday | 77°F | Sunny | 0 to 10 mph NNW | 0% |
| Friday Night | 58°F | Mostly Clear | 5 to 20 mph N | 0% |
| Saturday | 79°F | Sunny | 0 to 15 mph NE | 0% |
| Saturday Night | 58°F | Mostly Clear | 5 to 15 mph NNE | 1% |
| Sunday | 79°F | Sunny | 0 to 15 mph E | 2% |
| Sunday Night | 60°F | Partly Cloudy | 0 to 10 mph ENE | 2% |
| Monday | 78°F | Mostly Sunny | 0 to 10 mph SE | 3% |
| Monday Night | 61°F | Partly Cloudy | 0 to 5 mph N | 2% |
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 Nov 3, 2026.