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

San Angelo, Mathis Field (KSJT)

Lat: 31.35°NLon: 100.49°WElev: 1916ft.

A Few Clouds

85°F

29°C

Humidity 50%
Wind Speed Vrbl 3 mph
Barometer 30.06 in (1015.6 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 3 Jun 3:51 pm CDT
Extended Forecast for

Mertzon TX

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. East southeast wind around 10 mph.

    High: 86 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 68. South southeast wind 5 to 10 mph.

    Low: 68 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 87. South wind around 5 mph.

    High: 87 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 10pm, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. South wind 5 to 10 mph. Chance of precipitation is 40%.

    Low: 69 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 83. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    Showers then
    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Showers
    Likely

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. South wind 5 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 68. South wind 5 to 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 91. South wind around 15 mph, with gusts as high as 25 mph.

    High: 91 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. East southeast wind around 10 mph.
Tonight
A 30 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 68. South southeast wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 87. South wind around 5 mph.
Thursday Night
A slight chance of showers and thunderstorms before 10pm, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. South wind 5 to 10 mph. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 83. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. South wind 5 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 50 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 68. South wind 5 to 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 91. South wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 71. South wind around 15 mph.
Monday
Mostly sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 72.
Tuesday
Mostly sunny, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mertzon TX
 31.26°N 100.82°W (Elev. 2274 ft)
Last Update:
3:16 pm CDT Jun 3, 2026
Forecast Valid:
4pm CDT Jun 3, 2026-6pm CDT Jun 9, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation