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
70°F
Sunny
Sunny. High near 70, with temperatures falling to around 64 in the afternoon. East southeast wind 5 to 8 mph.
7-day forecast for Fort Thomas
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Sunny | 5 to 8 mph ESE | 0% |
| Tonight | 46°F | Partly Cloudy | 6 mph ESE | 0% |
| Wednesday | 71°F | Sunny | 3 to 8 mph SSE | 0% |
| Wednesday Night | 44°F | Clear | 2 to 7 mph NNW | 0% |
| Thursday | 69°F | Sunny | 1 to 6 mph ESE | 0% |
| Thursday Night | 48°F | Partly Cloudy | 5 mph E | 0% |
| Friday | 71°F | Mostly Sunny | 2 to 10 mph ESE | 4% |
| Friday Night | 47°F | Mostly Clear | 5 mph E | 4% |
| Saturday | 73°F | Sunny | 3 to 10 mph ESE | 0% |
| Saturday Night | 48°F | Mostly Clear | 3 to 12 mph ESE | 3% |
| Sunday | 72°F | Sunny | 13 to 25 mph ESE | 3% |
| Sunday Night | 48°F | Partly Cloudy | 8 to 12 mph E | 2% |
| Monday | 72°F | Mostly Sunny | 3 to 14 mph SE | 5% |
| Monday Night | 49°F | Partly Cloudy | 3 mph E | 3% |
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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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 Nov 3, 2026.