Mount Calm, TX Weather & Growing Conditions
Today
98°F
Sunny
Sunny, with a high near 98. Heat index values as high as 99. South wind 5 to 10 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 98°F | Sunny | 5 to 10 mph S | 0% |
| Tonight | 76°F | Mostly Clear | 5 to 10 mph SSE | 0% |
| Wednesday | 98°F | Sunny | 5 to 10 mph S | 0% |
| Wednesday Night | 75°F | Mostly Clear | 10 mph S | 1% |
| Thursday | 96°F | Sunny | 5 to 10 mph S | 1% |
| Thursday Night | 76°F | Mostly Clear | 5 to 10 mph SSE | 1% |
| Friday | 97°F | Sunny | 5 mph S | 4% |
| Friday Night | 75°F | Mostly Clear | 5 to 10 mph S | 6% |
| Saturday | 95°F | Sunny | 5 mph S | 4% |
| Saturday Night | 75°F | Mostly Clear | 5 mph SSE | 4% |
| Sunday | 95°F | Sunny | 5 to 10 mph S | 4% |
| Sunday Night | 75°F | Mostly Clear | 10 mph SSE | 7% |
| Monday | 95°F | Sunny | 5 to 10 mph S | 7% |
| Monday Night | 75°F | Mostly Clear | 10 mph S | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mount Calm, TX
Last spring frost
Mar 13
First fall frost
Nov 14
Growing season
250 days
Hardiness zone
8b
Explore more for Mount Calm, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Navarro Mills Dam, Tx (18.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.