Jamestown, NM Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jamestown, a community in Mckinley County, New Mexico.
This Afternoon
74°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy. High near 74, with temperatures falling to around 69 in the afternoon. Southwest wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Jamestown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Showers And Thunderstorms Likely | 10 mph SW | 60% |
| Tonight | 51°F | Scattered Showers And Thunderstorms then Partly Cloudy | 0 to 10 mph S | 25% |
| Saturday | 76°F | Sunny | 0 to 15 mph SW | 10% |
| Saturday Night | 49°F | Mostly Clear | 0 to 15 mph SW | 4% |
| Sunday | 76°F | Sunny | 0 to 10 mph SW | 1% |
| Sunday Night | 49°F | Partly Cloudy | 0 to 10 mph SW | 0% |
| Monday | 75°F | Partly Sunny | 0 to 10 mph SW | 1% |
| Monday Night | 51°F | Mostly Cloudy | 0 to 5 mph S | 6% |
| Tuesday | 73°F | Showers And Thunderstorms | 5 to 10 mph S | 76% |
| Tuesday Night | 50°F | Showers And Thunderstorms Likely | 10 mph SE | 62% |
| Wednesday | 70°F | Showers And Thunderstorms Likely | 5 mph SE | 70% |
| Wednesday Night | 49°F | Chance Showers And Thunderstorms | 5 mph SE | 29% |
| Thursday | 69°F | Showers And Thunderstorms Likely | 5 to 10 mph SE | 57% |
| Thursday Night | 50°F | Chance Showers And Thunderstorms | 5 to 10 mph SE | 43% |
Forecast source: National Weather Service (api.weather.gov) for Jamestown (35.469, -108.440). Updated through the day.
Growing snapshot for Jamestown
Last spring frost
Jun 5
First fall frost
Sep 25
Growing season
109 days
Hardiness zone
6a
More local growing data for Jamestown: nearby ZIP 87347 weather · frost dates · planting calendar · New Mexico frost dates
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Climate data from the nearest NOAA station, Mcgaffey 5 Se, Nm (3.4 mi from Jamestown). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.