Newcomb, NM Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Newcomb, a community in San Juan County, New Mexico.
This Afternoon
77°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 3pm, then showers and thunderstorms likely. Mostly cloudy. High near 77, with temperatures falling to around 71 in the afternoon. North wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Newcomb
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Chance Showers And Thunderstorms | 5 mph N | 59% |
| Tonight | 56°F | Isolated Showers And Thunderstorms then Partly Cloudy | 5 mph SE | 17% |
| Saturday | 81°F | Sunny | 0 to 5 mph S | 8% |
| Saturday Night | 54°F | Mostly Clear | 0 to 5 mph W | 3% |
| Sunday | 80°F | Sunny | 0 to 5 mph NW | 1% |
| Sunday Night | 54°F | Partly Cloudy | 0 to 5 mph W | 0% |
| Monday | 80°F | Partly Sunny | 0 to 5 mph S | 1% |
| Monday Night | 56°F | Partly Cloudy | 0 to 5 mph SW | 7% |
| Tuesday | 76°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 71% |
| Tuesday Night | 54°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 62% |
| Wednesday | 73°F | Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph E | 52% |
| Wednesday Night | 54°F | Slight Chance Rain Showers | 0 mph | 22% |
| Thursday | 73°F | Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph SE | 44% |
| Thursday Night | 55°F | Chance Rain Showers | 0 to 5 mph SE | 40% |
Forecast source: National Weather Service (api.weather.gov) for Newcomb (36.285, -108.712). Updated through the day.
Growing snapshot for Newcomb
Last spring frost
May 3
First fall frost
Oct 17
Growing season
163 days
Hardiness zone
7a
More local growing data for Newcomb: nearby ZIP 87455 weather · frost dates · planting calendar · New Mexico frost dates
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Climate data from the nearest NOAA station, Lukachukai, Az (30.3 mi from Newcomb). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.