National Weather Service

News Headlines

New: Quick Summary of Starr County Damaging Wind, Hail, and Flash Flooding March 7-8, 2026
New! Understand Spring and Summer Hazardous Weather in the RGV with the 2026 Guide
Winter 2025/2026 Weather and Climate Summary for the RGV - Warm and Dry - and a Hard Freeze - Worsens Drought
March-May (Spring 2026) Outlook: Warmer than normal temperatures are favored to continue; precipitation is a toss-up; drought, wildfire potential, water supply, and heat risk concerns are in focus
The Potential for Wildfire Spread Will Remain Acute through Early March. Stop Wildfires Before they Start with Smokey Bear
El riesgo de propagación de incendios forestales aumenta durante marzo. Revise estas medidas de prevención.
Drought is Worsening and Increasing in Coverage Across the Area as We Head into Spring. Track Its Coverage Here.

Current conditions at

Harlingen, Rio Grande Valley International Airport (KHRL)

Lat: 26.23°NLon: 97.66°WElev: 33ft.

Fair

59°F

15°C

Humidity	93%
Wind Speed	SE 8 mph
Barometer	29.92 in (1013.2 mb)
Dewpoint	57°F (14°C)
Visibility	10.00 mi
Last update	14 Mar 2:52 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

3 Miles SSE San Perlita TX

Overnight
Low: 59 °F
Clear
Saturday
High: 89 °F
Sunny then
Sunny and
Breezy
Saturday Night
Low: 66 °F
Mostly Clear
and Breezy
then Partly
Cloudy
Sunday
High: 96 °F
Mostly Sunny
and Breezy
Sunday Night
Low: 52 °F
Partly Cloudy
then Slight
Chance
Showers and
Breezy
Monday
High: 66 °F
Becoming
Sunny and
Windy
Monday Night
Low: 47 °F
Partly Cloudy
Tuesday
High: 72 °F
Mostly Sunny
Tuesday Night
Low: 51 °F
Mostly Clear

Detailed Forecast

Overnight

Clear, with a low around 59. South southeast wind around 7 mph.

Saturday

Sunny, with a high near 89. Breezy, with a southeast wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph.

Saturday Night

Mostly clear, with a low around 66. Breezy, with a south southeast wind 13 to 20 mph, with gusts as high as 26 mph.

Sunday

Mostly sunny, with a high near 96. Breezy, with a south wind 14 to 21 mph, with gusts as high as 29 mph.

Sunday Night

A 20 percent chance of showers after 1am. Partly cloudy, with a low around 52. Breezy, with a south wind 14 to 19 mph becoming north 20 to 25 mph after midnight. Winds could gust as high as 39 mph.

Monday

Partly sunny, then gradually becoming sunny, with a high near 66. Windy, with a north wind 24 to 29 mph decreasing to 18 to 23 mph in the afternoon. Winds could gust as high as 41 mph.

Monday Night

Partly cloudy, with a low around 47. North northeast wind 6 to 14 mph, with gusts as high as 20 mph.

Tuesday

Mostly sunny, with a high near 72. East wind 6 to 15 mph, with gusts as high as 22 mph.

Tuesday Night

Mostly clear, with a low around 51. East southeast wind 6 to 14 mph, with gusts as high as 21 mph.

Wednesday

Sunny, with a high near 80. Southeast wind 6 to 15 mph, with gusts as high as 21 mph.

Wednesday Night

Clear, with a low around 56. South southeast wind 6 to 16 mph, with gusts as high as 22 mph.

Thursday

Sunny, with a high near 84.