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Brownsville, TX 78578 Weather

It is 72°F and mostly clear in Brownsville, TX 78578, observed at 4:55 AM CDT. Today: Mostly Sunny, high 85°F, low 70°F. Hourly and 10-day forecast from the National Weather Service. Times are local (CDT).

Brownsville, TX 78578 current weather

72°F

Mostly Clear

H 85° / L 70°Feels like 72°

  • No rain expected in the next 12 hours

Observed at Port Isabel, Port Isabel-Cameron County Airport (7.7 mi away), 10/30/2026, 4:55 AM CDT

Hourly forecast

NWS, updated 10/30/2026, 3:00 AM PT

  1. Now71°
  2. 6 AM71°
  3. 7 AM71°
  4. 8 AM71°
  5. 9 AM75°
  6. 10 AM79°
  7. 11 AM81°
  8. 12 PM82°
  9. 1 PM83°
  10. 2 PM84°
  11. 3 PM84°
  12. 4 PM84°
  13. 5 PM83°
  14. 6 PM81°
  15. 7 PM80°
  16. 8 PM77°
  17. 9 PM76°
  18. 10 PM76°
  19. 11 PM76°
  20. 12 AM75°Sat
  21. 1 AM74°
  22. 2 AM74°
  23. 3 AM74°
  24. 4 AM73°
  25. 5 AM72°
  26. 6 AM72°
  27. 7 AM71°
  28. 8 AM72°
  29. 9 AM75°
  30. 10 AM80°
  31. 11 AM81°
  32. 12 PM82°
  33. 1 PM84°
  34. 2 PM83°
  35. 3 PM83°
  36. 4 PM84°
  37. 5 PM82°
  38. 6 PM81°
  39. 7 PM80°
  40. 8 PM77°
  41. 9 PM76°
  42. 10 PM76°
  43. 11 PM76°
  44. 12 AM75°Sun
  45. 1 AM75°
  46. 1 AM74°
  47. 2 AM74°
  48. 3 AM73°

10-day forecast

Tap a day for details

  • Today10/30Low 70°High 85°

    Friday: Mostly sunny, with a high near 85. Southeast wind 3 to 12 mph.

    Overnight: Partly cloudy, with a low around 70. South southeast wind around 3 mph.

    Mostly Sunny
  • Sat10/31Low 71°High 85°

    Saturday: Sunny, with a high near 85. East northeast wind 0 to 10 mph.

    Saturday Night: Partly cloudy, with a low around 71. East northeast wind 0 to 8 mph.

    Sunny
  • Sun11/1Low 72°High 85°

    Sunday: Mostly sunny, with a high near 85. Northeast wind 0 to 10 mph.

    Sunday Night: Partly cloudy, with a low around 72. East southeast wind 3 to 7 mph.

    Mostly Sunny
  • Mon11/2Low 72°High 86°

    Monday: Mostly sunny, with a high near 86. Southeast wind 5 to 15 mph.

    Monday Night: Partly cloudy, with a low around 72. South southeast wind 7 to 13 mph.

    Mostly Sunny
  • Tue11/320% chance of precipitationLow 68°High 86°

    Tuesday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86. South southeast wind 7 to 12 mph. Chance of precipitation is 20%.

    Tuesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 68. West wind 5 to 9 mph. Chance of precipitation is 20%.

    Mostly Sunny then Slight Chance Showers And Thunderstorms
  • Wed11/4Low 65°High 80°

    Wednesday: Mostly sunny, with a high near 80.

    Wednesday Night: Mostly clear, with a low around 65.

    Mostly Sunny
  • Thu11/5Low High 81°

    Thursday: Sunny, with a high near 81.

    Sunny
  • Fri11/6Model blendLow 68°High 85°

    Friday: Mostly sunny. High near 85°. Low that night near 68°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Sat11/7Model blend15% chance of precipitationLow 70°High 85°

    Saturday: Partly cloudy. High near 85°. Low that night near 70°. About 0.05 in of precipitation.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Sun11/8Model blend21% chance of precipitationLow 67°High 85°

    Sunday: Partly cloudy, slight chance of rain. High near 85°. Low that night near 67°. About 0.08 in of precipitation.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

Forecast for 26.055, -97.295 from the NWS BRO office, updated 10/30/2026, 3:00 AM PT · Official forecast on weather.gov

Days 8 to 10: NOAA National Blend of Models, station KBRO (Brownsville Intl, 13 mi), model run 10/30/2026, 3:00 AM CDT

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now71°Partly Cloudy2%3 mph
  2. 6 AM71°Mostly Sunny1%3 mph
  3. 7 AM71°Mostly Sunny1%3 mph
  4. 8 AM71°Mostly Sunny1%3 mph
  5. 9 AM75°Partly Sunny1%5 mph
  6. 10 AM79°Mostly Sunny1%7 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the weather in Brownsville, TX 78578 right now?
The latest observation from Port Isabel, Port Isabel-Cameron County Airport was 72°F and mostly clear, reported at 10/30/2026, 4:55 AM CDT.
What is the high temperature today in Brownsville, TX 78578?
The National Weather Service forecast for friday calls for a high near 85°F. Mostly Sunny.
Will it rain in Brownsville, TX 78578 in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What is the 10-day forecast for Brownsville, TX 78578?
The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 6 to Nov 8) come from the NOAA National Blend of Models, with highs near 85°F. Model guidance this far out often changes.
What time is sunrise and sunset in Brownsville, TX 78578 today?
Sunrise is about 7:36 AM CDT and sunset is about 6:48 PM CDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Brownsville, TX 78578?
At Port Isabel, the 1991 to 2020 normal high in October is 85°F and the normal low is 69°F.

Nearby hazards

Texas hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: None reported

UV and air quality forecast

EPA and AirNow

AQI forecast today (Brownsville-McAllen)
GoodPM2.5
AQI forecast tomorrow (Brownsville-McAllen)
GoodPM2.5

UV index guide · Air quality

Drought

By county

Cameron County, week of 10/27/2026

53% of the county is in moderate drought or worse.

Tides nearby

NOAA tide stations

Beaches nearby

EPA BEACON beaches

Sun and moon

Local time, center of the area

Sunrise
7:36 AM
Sunset
6:48 PM
Daylight
11 hr 12 min
Moon
Waning Gibbous 81% lit
First light (civil dawn)
7:13 AM
Last light (civil dusk)
7:12 PM
Moonrise
10:55 PM
Moonset
12:25 PM

Normal October weather

Climate

Normal October high 85°, low 69°, precipitation 3.86 in for the month. 1991 to 2020 normals at Port Isabel, 3 mi away.

Other places nearby

Data sources

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About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

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