Harlingen, TX Weather

Cameron County5:56 AM CDT26.19°N, 97.70°WElevation 39 ft

Current conditions

Partly Cloudy
72°
Partly Cloudy
Feels like 72°
High 88°·Low 71° tonight
WindNNE 5 mph
Humidity82%
Dew point66°
Cloud cover42%
UV index0 Low
Sunrise7:33 AM
Sunset6:59 PM

Forecast for this hour (no station report in the last two hours)

Forecast

10-day

  • Overnight

    Partly cloudy, with a low around 71. North northeast wind around 5 mph.

  • Tuesday

    Sunny, with a high near 88. North northeast wind 5 to 13 mph, with gusts as high as 23 mph.

  • Tuesday Night

    Mostly clear, with a low around 70. North wind 5 to 12 mph, with gusts as high as 22 mph.

National Weather Service forecast updated 11 min ago.

Hourly

Hourly forecast
  1. Now Partly Cloudy 72°
  2. 6 AM Mostly Sunny 71°
  3. 7 AM Sunny 71°
  4. 8 AM Mostly Sunny 71°
  5. 9 AM Sunny 74°
  6. 10 AM Sunny 78°
  7. 11 AM Sunny 81°
  8. 12 PM Sunny 83°
  9. 1 PM Sunny 84°
  10. 2 PM Sunny 86°
  11. 3 PM Sunny 86°
  12. 4 PM Sunny 85°
  13. 5 PM Sunny 86°
  14. 6 PM Mostly Clear 82°
  15. 7 PM Mostly Clear 82°
  16. 8 PM Mostly Clear 80°10%
  17. 9 PM Mostly Clear 77°
  18. 10 PM Clear 76°
  19. 11 PM Mostly Clear 75°
  20. Wed12 AM Mostly Clear 74°
  21. 1 AM Mostly Clear 73°
  22. 2 AM Mostly Clear 73°
  23. 3 AM Mostly Clear 72°
  24. 4 AM Mostly Clear 71°

10-day forecast

Details
  1. TonightOct 19 Partly Cloudy Partly Cloudy71°
  2. TodayOct 20 Sunny Sunny10%70°88°
  3. WedOct 21 Mostly Sunny then Chance Showers And Thunderstorms Mostly Sunny then Chance Showers And Thunderstorms39%72°88°
  4. ThuOct 22 Slight Chance Rain Showers then Mostly Sunny Slight Chance Rain Showers then Mostly Sunny15%66°87°
  5. FriOct 23 Sunny Sunny68°87°
  6. SatOct 24 Sunny Sunny71°88°
  7. SunOct 25 Partly Sunny Partly Sunny12%71°88°
  8. MonOct 26 Chance Rain Showers Chance Rain Showers40%86°
  9. TueOct 27 Cloudy Cloudy0.08 in71°82°
  10. WedOct 28 Light rain Light rain0.02 in68°80°

Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.

Radar

Full map
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Weather news in Texas

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Air quality

35
Good
Fine particles (PM2.5)

Air quality is satisfactory, and air pollution poses little or no risk.

Forecast

  • TueGood
  • WedGood
  • ThuGood

Brownsville-McAllen, TX reporting area · 56 min ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.

Sun & moon

Sunrise 7:33 AM
Sunset 6:59 PM
Daylight 11 h 26 min (−1 min 27 s tomorrow)
Waxing Gibbous · 67% lit
Moonrise 3:40 PM Moonset 2:14 AM
Full moon Oct 26 New moon Nov 9

Almanac

Monthly
Normal high / low87° / 66°
Record high98° (1919)
Record low43° (1923)
Wettest2.30 in (1933)
Yesterday81° / 57°
Month to date4.70 in (normal 2.04 in)

Harlingen, records since 1912. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).

Nearby

Forecasters' discussion

From the National Weather Service office in BRO, issued 5 hrs ago

Key Messages

Updated at 1228 AM CDT Tue Oct 20 2026

- Overall seasonable temperatures and pleasant weather expected.

- Narrow beaches around high tide are expected through Wednesday.

- Showers and thunderstorms are possible Wednesday east of US-281.

Discussion

Issued at 1045 PM CDT Mon Oct 19 2026

Ridging over NE Mexico will slowly shift east towards the Gulf, keeping mostly fair weather for much of the period. High temperatures climb to the upper 80s-low 90s by Wednesday, with a Minor (level 1 of 4) risk of heat related illness into the weekend.

Mostly dry conditions should prevail through this afternoon. A plume of moisture associated with a developing coastal trough will bring deeper moisture westward beginning tonight. Rain chances increase along the coast overnight, spreading westward through Wednesday. Chances for showers and thunderstorms peak Wednesday afternoon, with moderate PoPs (40-60%) east of US-281, highest near the coast. Drier conditions are expected Thursday through Sunday as high pressure dominates. Low rain chances return early next week.

Long-period swell and northeast winds will keep local beaches narrow. Minor coastal flooding is possible near high through the middle of the week. Current guidance keeps water levels below minor flooding threshold, but conditions will continue to be monitored.

Aviation

(06Z TAFS) Issued at 1228 AM CDT Tue Oct 20 2026

VFR conditions are forecast to continue through the period. Winds are forecast to remain light and variable to calm overnight, increasing to around 10 kts by mid morning. Gusts to around 20 kts will be possible through the afternoon, before winds become light and variable again Tuesday evening.

Marine

Issued at 1045 PM CDT Mon Oct 19 2026

Adverse conditions are expected through midweek due to moderate seas and northeast to onshore winds, resulting in intermittent SCEC conditions across the Laguna Madre and Gulf waters. Rain chances increase Tuesday night into Wednesday as a coastal trough brings additional moisture to the reaching, with PoPs reaching 70-80% over the Gulf waters Wednesday. Thursday and Friday, conditions improve as seas decrease to slight and winds decrease to a gentle breeze.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use.