Summit, AZ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Summit, a community in Pima County, Arizona.
This Afternoon
74°F
Sunny
Sunny, with a high near 74. Northeast wind around 7 mph.
7-day forecast for Summit
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Sunny | 7 mph NE | 0% |
| Tonight | 49°F | Mostly Clear | 2 to 7 mph SSE | 0% |
| Wednesday | 74°F | Sunny | 2 to 9 mph NW | 0% |
| Wednesday Night | 48°F | Mostly Clear | 2 to 6 mph SSW | 0% |
| Thursday | 74°F | Sunny | 6 mph SSE | 0% |
| Thursday Night | 51°F | Mostly Clear | 3 mph SSW | 0% |
| Friday | 74°F | Mostly Sunny | 2 to 7 mph ENE | 3% |
| Friday Night | 51°F | Mostly Clear | 6 mph ENE | 3% |
| Saturday | 75°F | Sunny | 7 to 12 mph E | 1% |
| Saturday Night | 52°F | Mostly Clear | 8 to 16 mph E | 1% |
| Sunday | 75°F | Sunny | 12 to 22 mph E | 4% |
| Sunday Night | 52°F | Partly Cloudy | 14 mph E | 4% |
| Monday | 76°F | Mostly Sunny | 5 to 13 mph ESE | 7% |
| Monday Night | 53°F | Partly Cloudy | 7 mph SE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Summit (32.062, -110.949). Updated through the day.
Growing snapshot for Summit
Last spring frost
Feb 5
First fall frost
Dec 9
Growing season
307 days
Hardiness zone
9a
More local growing data for Summit: nearby ZIP 85756 weather · frost dates · planting calendar · Arizona frost dates
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Climate data from the nearest NOAA station, Tucson Intl Ap, Az (5.1 mi from Summit). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.