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.

Fair

41°F

5°C

Humidity 60%
Wind Speed S 8 mph
Barometer 30.17 in (1021.7 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 8 Dec 11:51 pm CST
Extended Forecast for

Mertzon TX

  • Overnight

    Overnight: Clear, with a steady temperature around 42. South southwest wind around 10 mph.

    Low: 42 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 69. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 69 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 42. South southwest wind 10 to 15 mph.

    Low: 42 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 66. West southwest wind 10 to 15 mph becoming northeast in the afternoon.

    High: 66 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 34. Northeast wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 72. South southwest wind 5 to 10 mph.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 44. South southwest wind around 5 mph.

    Low: 44 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 75. Southwest wind 5 to 10 mph becoming north northeast in the afternoon.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40. North northeast wind around 5 mph.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a steady temperature around 42. South southwest wind around 10 mph.
Tuesday
Sunny, with a high near 69. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Clear, with a low around 42. South southwest wind 10 to 15 mph.
Wednesday
Sunny, with a high near 66. West southwest wind 10 to 15 mph becoming northeast in the afternoon.
Wednesday Night
Clear, with a low around 34. Northeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 72. South southwest wind 5 to 10 mph.
Thursday Night
Clear, with a low around 44. South southwest wind around 5 mph.
Friday
Sunny, with a high near 75. Southwest wind 5 to 10 mph becoming north northeast in the afternoon.
Friday Night
Mostly clear, with a low around 40. North northeast wind around 5 mph.
Saturday
Sunny, with a high near 74. North northeast wind 5 to 10 mph becoming south southwest in the morning.
Saturday Night
Mostly clear, with a low around 39.
Sunday
Partly sunny, with a high near 57.
Sunday Night
Mostly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 66.
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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:
12:06 am CST Dec 9, 2025
Forecast Valid:
12am CST Dec 9, 2025-6pm CST Dec 15, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation