Fort Thomas, AZ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fort Thomas, a community in Graham County, Arizona.
This Afternoon
95°F
Sunny
Sunny, with a high near 95. Southeast wind around 6 mph.
7-day forecast for Fort Thomas
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 95°F | Sunny | 6 mph SE | 6% |
| Tonight | 71°F | Mostly Clear | 1 to 6 mph NE | 2% |
| Saturday | 97°F | Sunny | 1 to 10 mph SSE | 1% |
| Saturday Night | 69°F | Mostly Clear | 1 to 9 mph N | 0% |
| Sunday | 95°F | Sunny | 0 to 12 mph SSW | 0% |
| Sunday Night | 70°F | Partly Cloudy | 0 to 10 mph N | 0% |
| Monday | 94°F | Mostly Sunny | 0 to 7 mph SSE | 0% |
| Monday Night | 71°F | Partly Cloudy then Slight Chance Rain Showers | 1 to 5 mph NNE | 20% |
| Tuesday | 92°F | Chance Showers And Thunderstorms | 1 to 22 mph ESE | 26% |
| Tuesday Night | 70°F | Chance Showers And Thunderstorms | 14 to 26 mph ESE | 26% |
| Wednesday | 89°F | Chance Showers And Thunderstorms | 16 to 29 mph ESE | 40% |
| Wednesday Night | 69°F | Chance Showers And Thunderstorms | 15 to 24 mph ESE | 40% |
| Thursday | 88°F | Chance Showers And Thunderstorms | 17 to 26 mph ESE | 42% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms | 17 to 23 mph ESE | 42% |
Forecast source: National Weather Service (api.weather.gov) for Fort Thomas (33.030, -109.961). Updated through the day.
Growing snapshot for Fort Thomas
Last spring frost
Apr 1
First fall frost
Nov 6
Growing season
217 days
Hardiness zone
8b
More local growing data for Fort Thomas: nearby ZIP 85535 weather · frost dates · planting calendar · Arizona frost dates
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Swift Trail Junction
Thatcher
Climate data from the nearest NOAA station, Ft Thomas 2 Sw, Az (4.5 mi from Fort Thomas). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.