Jacinto City, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jacinto City, a city in Harris County, Texas.
Today
97°F
Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 4pm. Sunny. High near 97, with temperatures falling to around 93 in the afternoon. Heat index values as high as 104. South wind 0 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Jacinto City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 97°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph S | 16% |
| Tonight | 79°F | Mostly Clear | 5 to 10 mph S | 13% |
| Wednesday | 96°F | Sunny | 0 to 10 mph S | 15% |
| Wednesday Night | 79°F | Mostly Clear | 5 to 10 mph S | 11% |
| Thursday | 95°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph S | 20% |
| Thursday Night | 79°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 10 mph S | 20% |
| Friday | 93°F | Sunny then Chance Showers And Thunderstorms | 0 to 10 mph SE | 26% |
| Friday Night | 78°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 10 mph S | 26% |
| Saturday | 92°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph E | 24% |
| Saturday Night | 79°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 10 mph SE | 24% |
| Sunday | 92°F | Sunny then Chance Showers And Thunderstorms | 0 to 10 mph E | 28% |
| Sunday Night | 79°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 10 mph S | 28% |
| Monday | 92°F | Chance Showers And Thunderstorms | 0 to 10 mph S | 37% |
| Monday Night | 79°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph S | 37% |
Forecast source: National Weather Service (api.weather.gov) for Jacinto City (29.766, -95.241). Updated through the day.
Growing snapshot for Jacinto City
Last spring frost
Feb 2
First fall frost
Dec 25
Growing season
327 days
Hardiness zone
9b
More local growing data for Jacinto City: nearby ZIP 77029 weather · frost dates · planting calendar · Texas frost dates
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Climate data from the nearest NOAA station, Houston-Port, Tx (1.7 mi from Jacinto City). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.