Mertens, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mertens, a town in Hill County, Texas.
This Afternoon
99°F
Sunny
Sunny. High near 99, with temperatures falling to around 96 in the afternoon. Heat index values as high as 101. Southeast wind around 5 mph.
7-day forecast for Mertens
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 99°F | Sunny | 5 mph SE | 0% |
| Tonight | 73°F | Clear | 5 mph SSE | 0% |
| Saturday | 99°F | Sunny | 5 to 10 mph S | 0% |
| Saturday Night | 74°F | Mostly Clear | 5 to 10 mph S | 0% |
| Sunday | 99°F | Mostly Sunny | 5 mph S | 2% |
| Sunday Night | 75°F | Partly Cloudy then Slight Chance Rain Showers | 5 mph S | 23% |
| Monday | 96°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 23% |
| Monday Night | 74°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph ENE | 21% |
| Tuesday | 96°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 5 to 10 mph NNE | 21% |
| Tuesday Night | 73°F | Partly Cloudy | 5 to 10 mph NE | 14% |
| Wednesday | 96°F | Mostly Sunny | 5 to 10 mph NE | 7% |
| Wednesday Night | 72°F | Partly Cloudy | 5 to 10 mph ENE | 4% |
| Thursday | 95°F | Mostly Sunny | 5 to 10 mph ENE | 2% |
| Thursday Night | 71°F | Partly Cloudy | 0 to 10 mph E | 3% |
Forecast source: National Weather Service (api.weather.gov) for Mertens (32.059, -96.894). Updated through the day.
Growing snapshot for Mertens
Last spring frost
Mar 21
First fall frost
Nov 10
Growing season
235 days
Hardiness zone
8b
More local growing data for Mertens: nearby ZIP 76666 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Abbott
Aquilla
Blum
Bynum
Covington
Hillsboro
Hubbard
Itasca
Laguna Park
Malone
Mount Calm
Penelope
Whitney
Climate data from the nearest NOAA station, Hillsboro, Tx (12.7 mi from Mertens). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.