Olmito, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Olmito, a community in Cameron County, Texas.
Tonight
70°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 4am. Mostly cloudy, with a low around 70. North northeast wind 3 to 10 mph. Chance of precipitation is 50%.
7-day forecast for Olmito
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 70°F | Chance Showers And Thunderstorms | 3 to 10 mph NNE | 45% |
| Wednesday | 83°F | Mostly Sunny | 8 to 12 mph NNE | 8% |
| Wednesday Night | 70°F | Partly Cloudy | 2 to 9 mph ESE | 1% |
| Thursday | 90°F | Mostly Sunny | 5 to 13 mph SSE | 6% |
| Thursday Night | 72°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 to 10 mph SW | 65% |
| Friday | 82°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 6 to 14 mph N | 62% |
| Friday Night | 66°F | Partly Cloudy then Chance Rain Showers | 6 to 10 mph N | 31% |
| Saturday | 80°F | Chance Showers And Thunderstorms | 9 to 14 mph N | 51% |
| Saturday Night | 63°F | Chance Showers And Thunderstorms | 10 to 15 mph N | 42% |
| Sunday | 76°F | Chance Showers And Thunderstorms | 13 to 16 mph N | 32% |
| Sunday Night | 58°F | Slight Chance Rain Showers then Partly Cloudy | 6 to 10 mph N | 21% |
| Monday | 77°F | Mostly Sunny | 8 to 12 mph NNE | 6% |
| Monday Night | 59°F | Partly Cloudy | 3 to 8 mph NE | 0% |
| Tuesday | 80°F | Mostly Sunny | 5 to 10 mph ENE | 2% |
Forecast source: National Weather Service (api.weather.gov) for Olmito (26.028, -97.540). Updated through the day.
Growing snapshot for Olmito
Last spring frost
Jan 9
First fall frost
Jan 4
Growing season
365 days
Hardiness zone
10a
More local growing data for Olmito: nearby ZIP 78575 weather · frost dates · planting calendar · Texas frost dates
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Climate data from the nearest NOAA station, Wfo Brownsville, Tx (11.5 mi from Olmito). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.