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.

Overcast

67°F

19°C

Humidity 93%
Wind Speed Calm
Barometer 30.15 in (1019.6 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 3 Oct 10:51 pm CDT
Extended Forecast for

Mertzon TX

  • Tonight

    Tonight: A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 78. North wind 5 to 15 mph.

    High: 78 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 60. Northeast wind 5 to 10 mph becoming light after midnight.

    Low: 60 °F

    Increasing
    Clouds

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 79. Northeast wind 5 to 10 mph.

    High: 79 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. East northeast wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. Calm wind.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57. East southeast wind around 5 mph becoming calm.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. East wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 58. Calm wind.
Sunday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 78. North wind 5 to 15 mph.
Sunday Night
Increasing clouds, with a low around 60. Northeast wind 5 to 10 mph becoming light after midnight.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 79. Northeast wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 56. East northeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 82. Calm wind.
Tuesday Night
Mostly clear, with a low around 57. East southeast wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 84. Calm wind becoming east southeast around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 57. East wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 82. Calm wind becoming east around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 57.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 61.
Saturday
Sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mertzon TX
 31.26°N 100.82°W (Elev. 2274 ft)
Last Update:
5:27 pm CDT Oct 3, 2026
Forecast Valid:
11pm CDT Oct 3, 2026-6pm CDT Oct 10, 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