First Mesa, AZ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for First Mesa, a community in Navajo County, Arizona.
Overnight
68°F
Mostly Clear
Mostly clear. Low around 68, with temperatures rising to around 70 overnight. Southwest wind around 5 mph.
7-day forecast for First Mesa
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 68°F | Mostly Clear | 5 mph SW | 0% |
| Tuesday | 98°F | Sunny | 5 to 14 mph W | 1% |
| Tuesday Night | 67°F | Mostly Clear | 3 to 9 mph SW | 1% |
| Wednesday | 98°F | Sunny | 3 to 12 mph W | 1% |
| Wednesday Night | 66°F | Mostly Clear | 5 to 10 mph W | 1% |
| Thursday | 97°F | Sunny | 5 to 9 mph NW | 8% |
| Thursday Night | 65°F | Partly Cloudy | 3 to 12 mph W | 8% |
| Friday | 98°F | Sunny | 3 to 9 mph W | 2% |
| Friday Night | 66°F | Mostly Clear | 5 to 9 mph SW | 2% |
| Saturday | 98°F | Sunny | 7 mph SW | 7% |
| Saturday Night | 67°F | Partly Cloudy | 5 to 14 mph SW | 7% |
| Sunday | 96°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 9 mph SW | 22% |
| Sunday Night | 66°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 3 to 13 mph SW | 22% |
| Monday | 94°F | Chance Showers And Thunderstorms | 3 to 15 mph SW | 31% |
Forecast source: National Weather Service (api.weather.gov) for First Mesa (35.832, -110.369). Updated through the day.
Growing snapshot for First Mesa
Last spring frost
May 16
First fall frost
Oct 10
Growing season
147 days
Hardiness zone
7a
More local growing data for First Mesa: nearby ZIP 86042 weather · frost dates · planting calendar · Arizona frost dates
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Climate data from the nearest NOAA station, Keams Canyon, Az (11.3 mi from First Mesa). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.