South River, NM Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for South River, a community in San Juan County, New Mexico.
Today
100°F
Patchy Smoke
Patchy smoke before 3pm. Sunny, with a high near 100. West wind 5 to 15 mph.
7-day forecast for South River
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 100°F | Patchy Smoke | 5 to 15 mph W | 0% |
| Tonight | 64°F | Mostly Clear | 5 to 15 mph NE | 0% |
| Wednesday | 100°F | Sunny | 5 to 15 mph E | 0% |
| Wednesday Night | 64°F | Mostly Clear | 5 to 15 mph N | 0% |
| Thursday | 99°F | Sunny | 5 to 15 mph S | 0% |
| Thursday Night | 64°F | Mostly Clear | 5 to 15 mph N | 0% |
| Friday | 98°F | Sunny | 5 to 10 mph SE | 0% |
| Friday Night | 66°F | Mostly Clear | 10 mph E | 0% |
| Saturday | 98°F | Sunny | 5 to 10 mph S | 0% |
| Saturday Night | 66°F | Partly Cloudy | 10 mph E | 2% |
| Sunday | 98°F | Sunny | 5 to 10 mph S | 3% |
| Sunday Night | 65°F | Partly Cloudy | 5 to 10 mph NE | 5% |
| Monday | 97°F | Sunny | 5 to 15 mph W | 5% |
| Monday Night | 63°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 15 mph NE | 24% |
Forecast source: National Weather Service (api.weather.gov) for South River (36.786, -108.058). Updated through the day.
Growing snapshot for South River
Last spring frost
May 12
First fall frost
Oct 6
Growing season
147 days
Hardiness zone
6b
More local growing data for South River: nearby ZIP 87415 weather · frost dates · planting calendar · New Mexico frost dates
Nearby towns & communities
Angustura
Aztec
Beclabito
Blanco
Bloomfield
Cedar Hill
Center Point
Crouch Mesa
Farmington
Flora Vista
Fruitland
Kirtland
La Plata
Lake Valley
Lee Acres
Nageezi
Napi Headquarters
Naschitti
Navajo Dam
Nenahnezad
Newcomb
North Light Plant
Ojo Amarillo
Sanostee
Sheep Springs
Shiprock
Spencerville
Totah Vista
Turley
Upper Fruitland
Climate data from the nearest NOAA station, Aztec Ruins Nm, Nm (5.4 mi from South River). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.