Hewitt, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hewitt, a city in Mclennan County, Texas.
Overnight
75°F
Clear
Clear, with a low around 75. Wind around 0 mph.
7-day forecast for Hewitt
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 75°F | Clear | 0 mph | 0% |
| Tuesday | 99°F | Sunny | 0 to 10 mph S | 0% |
| Tuesday Night | 77°F | Mostly Clear | 10 mph SSE | 0% |
| Wednesday | 100°F | Sunny | 5 to 10 mph S | 0% |
| Wednesday Night | 75°F | Mostly Clear | 10 mph S | 1% |
| Thursday | 98°F | Sunny | 10 mph S | 1% |
| Thursday Night | 76°F | Mostly Clear | 5 to 10 mph SSE | 1% |
| Friday | 99°F | Sunny | 5 to 10 mph S | 3% |
| Friday Night | 75°F | Mostly Clear | 5 to 10 mph SSE | 8% |
| Saturday | 96°F | Sunny | 5 mph S | 4% |
| Saturday Night | 76°F | Mostly Clear | 5 to 10 mph SSE | 4% |
| Sunday | 96°F | Sunny | 5 to 10 mph SSE | 3% |
| Sunday Night | 75°F | Mostly Clear | 5 to 10 mph SSE | 5% |
| Monday | 96°F | Sunny | 5 to 10 mph S | 7% |
Forecast source: National Weather Service (api.weather.gov) for Hewitt (31.451, -97.193). Updated through the day.
Growing snapshot for Hewitt
Last spring frost
Mar 9
First fall frost
Nov 20
Growing season
256 days
Hardiness zone
8b
More local growing data for Hewitt: nearby ZIP 76643 weather · frost dates · planting calendar · Texas frost dates
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Leroy
Lorena
McGregor
Robinson
Ross
Waco
West
Willow Grove
Woodway
Climate data from the nearest NOAA station, Waco Dam, Tx (10.5 mi from Hewitt). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.