Nelson, AZ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Nelson, a community in Pima County, Arizona.
Today
103°F
Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 103. Heat index values as high as 105. West northwest wind 3 to 10 mph. Chance of precipitation is 20%.
7-day forecast for Nelson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 103°F | Sunny then Slight Chance Showers And Thunderstorms | 3 to 10 mph WNW | 20% |
| Tonight | 79°F | Slight Chance Showers And Thunderstorms then Patchy Blowing Dust | 3 to 9 mph SSE | 34% |
| Wednesday | 101°F | Sunny then Chance Showers And Thunderstorms | 2 to 8 mph WNW | 17% |
| Wednesday Night | 78°F | Chance Showers And Thunderstorms then Mostly Cloudy | 2 to 7 mph SSE | 18% |
| Thursday | 103°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 8 mph W | 13% |
| Thursday Night | 79°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 to 7 mph SW | 13% |
| Friday | 104°F | Sunny then Slight Chance Showers And Thunderstorms | 2 to 7 mph SW | 25% |
| Friday Night | 79°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 7 mph SSW | 25% |
| Saturday | 105°F | Chance Showers And Thunderstorms | 2 to 6 mph W | 28% |
| Saturday Night | 79°F | Chance Showers And Thunderstorms then Partly Cloudy | 7 mph SW | 28% |
| Sunday | 102°F | Chance Showers And Thunderstorms | 2 to 8 mph WSW | 38% |
| Sunday Night | 76°F | Chance Showers And Thunderstorms | 3 to 7 mph SSW | 38% |
| Monday | 99°F | Chance Showers And Thunderstorms | 3 to 8 mph WSW | 42% |
| Monday Night | 75°F | Chance Showers And Thunderstorms | 7 mph SSW | 42% |
Forecast source: National Weather Service (api.weather.gov) for Nelson (32.430, -111.265). Updated through the day.
Growing snapshot for Nelson
Last spring frost
Feb 23
First fall frost
Dec 6
Growing season
287 days
Hardiness zone
9b
More local growing data for Nelson: nearby ZIP 85654 weather · frost dates · planting calendar · Arizona frost dates
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Climate data from the nearest NOAA station, Tucson 17 Nw, Az (11.4 mi from Nelson). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.