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Mertzon, TX Weather

It is 63°F and light rain and fog/mist in Mertzon, TX, observed at 5:20 AM CDT. Today: Slight Chance Rain Showers then Mostly Cloudy, high 73°F, low 55°F. Hourly and 10-day forecast from the National Weather Service. Times are local (CDT).

Mertzon, TX current weather

63°F

Light Rain and Fog/Mist

H 73° / L 55°Feels like 63°

Observed at San Angelo, Mathis Field (20.2 mi away), 10/31/2026, 5:20 AM CDT

Hourly forecast

NWS, updated 10/31/2026, 1:16 AM PT

  1. Now59°20%
  2. 6 AM59°20%
  3. 7 AM57°
  4. 8 AM59°
  5. 9 AM60°
  6. 10 AM64°
  7. 11 AM67°
  8. 12 PM69°
  9. 1 PM70°
  10. 2 PM71°
  11. 3 PM72°
  12. 4 PM72°
  13. 5 PM73°
  14. 6 PM71°
  15. 7 PM70°
  16. 8 PM68°
  17. 9 PM66°
  18. 10 PM65°
  19. 11 PM65°
  20. 12 AM64°Sun
  21. 1 AM63°
  22. 1 AM63°
  23. 2 AM63°
  24. 3 AM63°
  25. 4 AM62°
  26. 5 AM62°
  27. 6 AM62°
  28. 7 AM61°
  29. 8 AM64°
  30. 9 AM69°
  31. 10 AM71°
  32. 11 AM73°
  33. 12 PM74°
  34. 1 PM75°
  35. 2 PM76°
  36. 3 PM77°
  37. 4 PM77°
  38. 5 PM76°
  39. 6 PM74°
  40. 7 PM72°
  41. 8 PM70°
  42. 9 PM68°
  43. 10 PM67°
  44. 11 PM67°
  45. 12 AM66°Mon
  46. 1 AM66°
  47. 2 AM65°
  48. 3 AM65°

10-day forecast

Tap a day for details

  • Today10/3120% chance of precipitationLow 55°High 73°

    Saturday: A slight chance of rain showers before 7am. Mostly cloudy, with a high near 73. South southeast wind 0 to 5 mph. Chance of precipitation is 20%.

    Overnight: A slight chance of rain showers. Cloudy. Low around 55, with temperatures rising to around 59 overnight. Southeast wind around 0 mph. Chance of precipitation is 20%.

    Slight Chance Rain Showers then Mostly Cloudy
  • Sun11/1Low 64°High 77°

    Sunday: Mostly cloudy, with a high near 77. South wind 5 to 15 mph.

    Sunday Night: Mostly cloudy, with a low around 64. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Mostly Cloudy
  • Mon11/241% chance of precipitationLow 55°High 81°

    Monday: Partly sunny, with a high near 81. South southwest wind 10 to 20 mph.

    Monday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers and thunderstorms. Mostly clear, with a low around 55. West southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

    Partly Sunny
  • Tue11/3Low 47°High 74°

    Tuesday: Sunny, with a high near 74. North northwest wind 5 to 10 mph, with gusts as high as 25 mph.

    Tuesday Night: Clear, with a low around 47. Northwest wind 0 to 5 mph.

    Sunny
  • Wed11/4Low 48°High 76°

    Wednesday: Sunny, with a high near 76. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.

    Wednesday Night: Clear, with a low around 48.

    Sunny
  • Thu11/5Low 47°High 77°

    Thursday: Sunny, with a high near 77.

    Thursday Night: Mostly clear, with a low around 47.

    Sunny
  • Fri11/6Low High 74°

    Friday: Sunny, with a high near 74.

    Sunny
  • Sat11/7Model blend35% chance of precipitationLow 48°High 75°

    Saturday: Chance of rain. High near 75°. Low that night near 48°. About 0.29 in of precipitation.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Sun11/8Model blend16% chance of precipitationLow 44°High 72°

    Sunday: Partly cloudy, slight chance of rain. High near 72°. Low that night near 44°. About 0.06 in of precipitation.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Mon11/9Model blendLow 46°High 71°

    Monday: Mostly sunny. High near 71°. Low that night near 46°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

Forecast for 31.261, -100.820 from the NWS SJT office, updated 10/31/2026, 1:16 AM PT · Official forecast on weather.gov

Days 8 to 10: NOAA National Blend of Models, station KSJT (San Angelo/Mathis Fld, 20 mi), model run 10/31/2026, 3:00 AM CDT

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now59°Slight Chance Rain Showers20%0 mph
  2. 6 AM59°Slight Chance Rain Showers20%0 mph
  3. 7 AM57°Mostly Cloudy9%0 mph
  4. 8 AM59°Mostly Cloudy9%0 mph
  5. 9 AM60°Mostly Cloudy9%0 mph
  6. 10 AM64°Mostly Cloudy8%0 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the weather in Mertzon, TX right now?
The latest observation from San Angelo, Mathis Field was 63°F and light rain and fog/mist, reported at 10/31/2026, 5:20 AM CDT.
What is the high temperature today in Mertzon, TX?
The National Weather Service forecast for saturday calls for a high near 73°F. Slight Chance Rain Showers then Mostly Cloudy.
Will it rain in Mertzon, TX in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What is the 10-day forecast for Mertzon, TX?
The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 7 to Nov 9) come from the NOAA National Blend of Models, with highs of 71°F to 75°F and up to a 35% chance of precipitation. Model guidance this far out often changes.
What time is sunrise and sunset in Mertzon, TX today?
Sunrise is about 7:58 AM CDT and sunset is about 6:55 PM CDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Mertzon, TX?
At Mertzon 12nnw, the 1991 to 2020 normal high in October is 80°F and the normal low is 51°F.

Rain and snow totals

Next 3 days, NWS forecast grid

Rain (liquid)
0.02 in
Snow
0.00 in
Ice
0.00 in

Nearby hazards

Texas hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: None reported

UV and air quality forecast

EPA and AirNow

AQI forecast today (Midland-Odessa)
GoodPM2.5
AQI forecast tomorrow (Midland-Odessa)
GoodPM2.5

UV index guide · Air quality

Drought

By county

Irion County, week of 10/27/2026

100% of the county is in moderate drought or worse.

Sun and moon

Local time, center of the area

Sunrise
7:58 AM
Sunset
6:55 PM
Daylight
10 hr 57 min
Moon
Waning Gibbous 71% lit
First light (civil dawn)
7:33 AM
Last light (civil dusk)
7:20 PM
Moonrise
None today
Moonset
1:49 PM

Normal October weather

Climate

Normal October high 80°, low 51°, precipitation 2.17 in for the month. 1991 to 2020 normals at Mertzon 12nnw, 13 mi away.

Other places nearby

Data sources

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About this data

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