Olmito, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Olmito, a community in Cameron County, Texas.
Overnight
80°F
Mostly Cloudy
Mostly cloudy, with a low around 80. South southeast wind around 8 mph.
7-day forecast for Olmito
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 80°F | Mostly Cloudy | 8 mph SSE | 1% |
| Tuesday | 98°F | Sunny | 9 to 18 mph SSE | 2% |
| Tuesday Night | 81°F | Mostly Clear | 9 to 17 mph SE | 1% |
| Wednesday | 98°F | Mostly Sunny | 9 to 16 mph SE | 3% |
| Wednesday Night | 80°F | Mostly Clear | 7 to 16 mph SE | 0% |
| Thursday | 98°F | Sunny | 7 to 16 mph SE | 11% |
| Thursday Night | 80°F | Mostly Clear | 6 to 16 mph SE | 11% |
| Friday | 97°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 14 mph SE | 18% |
| Friday Night | 78°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 2 to 15 mph SE | 18% |
| Saturday | 96°F | Sunny then Slight Chance Showers And Thunderstorms | 2 to 14 mph ESE | 15% |
| Saturday Night | 79°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 3 to 14 mph SE | 15% |
| Sunday | 97°F | Sunny then Slight Chance Showers And Thunderstorms | 2 to 14 mph SE | 15% |
| Sunday Night | 79°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 6 to 14 mph SE | 15% |
| Monday | 98°F | Sunny | 6 to 17 mph SSE | 6% |
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 Aug 4, 2026.