National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Harlingen, Rio Grande Valley International Airport (KHRL)

Lat: 26.23°NLon: 97.66°WElev: 33ft.

Partly Cloudy

88°F

31°C

Humidity 54%
Wind Speed E 15 mph
Barometer 29.96 in (1014.3 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 3 Oct 3:52 pm CDT
Extended Forecast for

San Perlita TX

  • This Afternoon

    This Afternoon: Sunny, with a high near 90. East northeast wind around 13 mph, with gusts as high as 20 mph.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 71. East northeast wind 5 to 10 mph becoming light and variable in the evening.

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers and thunderstorms before 4pm, then a slight chance of showers. Mostly sunny, with a high near 89. Northeast wind 6 to 11 mph. Chance of precipitation is 30%.

    High: 89 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Patchy fog after 1am. Otherwise, mostly clear, with a low around 71. East northeast wind 5 to 10 mph becoming light and variable in the evening.

    Low: 71 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: A chance of showers and thunderstorms. Sunny, with a high near 91. Light and variable wind becoming east northeast 5 to 9 mph in the afternoon. Chance of precipitation is 30%.

    High: 91 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Sunday Night

    Sunday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 72. East wind 5 to 9 mph becoming calm in the evening.

    Low: 72 °F

    Mostly Clear
    then Patchy
    Fog

  • Monday

    Monday: A 20 percent chance of showers after 1pm. Patchy fog before 8am. Otherwise, sunny, with a high near 92. Light east southeast wind becoming east 5 to 10 mph in the afternoon.

    High: 92 °F

    Patchy Fog
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Patchy fog after 3am. Otherwise, mostly clear, with a low around 73. East wind 5 to 9 mph becoming calm in the evening.

    Low: 73 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 92. Light east northeast wind increasing to 6 to 11 mph in the morning. Chance of precipitation is 40%.

    High: 92 °F

    Chance
    Showers and
    Patchy Fog

Detailed Forecast

This Afternoon
Sunny, with a high near 90. East northeast wind around 13 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 71. East northeast wind 5 to 10 mph becoming light and variable in the evening.
Saturday
A chance of showers and thunderstorms before 4pm, then a slight chance of showers. Mostly sunny, with a high near 89. Northeast wind 6 to 11 mph. Chance of precipitation is 30%.
Saturday Night
Patchy fog after 1am. Otherwise, mostly clear, with a low around 71. East northeast wind 5 to 10 mph becoming light and variable in the evening.
Sunday
A chance of showers and thunderstorms. Sunny, with a high near 91. Light and variable wind becoming east northeast 5 to 9 mph in the afternoon. Chance of precipitation is 30%.
Sunday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 72. East wind 5 to 9 mph becoming calm in the evening.
Monday
A 20 percent chance of showers after 1pm. Patchy fog before 8am. Otherwise, sunny, with a high near 92. Light east southeast wind becoming east 5 to 10 mph in the afternoon.
Monday Night
Patchy fog after 3am. Otherwise, mostly clear, with a low around 73. East wind 5 to 9 mph becoming calm in the evening.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 92. Light east northeast wind increasing to 6 to 11 mph in the morning. Chance of precipitation is 40%.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Patchy fog between 2am and 4am. Otherwise, partly cloudy, with a low around 73. East wind 5 to 10 mph becoming light in the evening.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Northeast wind 6 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
A 20 percent chance of showers. Mostly clear, with a low around 72.
Thursday
A 50 percent chance of showers. Mostly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Perlita TX
 26.51°N 97.63°W
Last Update:
4:30 pm CDT Oct 3, 2025
Forecast Valid:
4pm CDT Oct 3, 2025-6pm CDT Oct 9, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation