Weather StoryAlmanac, microseasons, and the day's weather story.

Marathon, Texas Weather

Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →

Marathon weather forecast — hour by hour, 7-day outlook, NOAA radar

Marathon, TX
Saturday, July 4 at 10:04 AM
81
°
Clear
Feels like
82°
Humidity
50%
Wind
7 mph
Sunrise
1:56 AM
Sunset
3:58 PM
Marathon, TX
Hour by hour · 24h
24-Hour ForecastMarathon, TX: 24-hour forecast. Temperatures range from 68 to 97 degrees Fahrenheit.
L 68°H 97°
Marathon, TX
7-day forecast
  1. Today
    Jul 4
    Showers
    18%
    0.12″
    97°69°
  2. Sunday
    Jul 5
    Overcast
    91°68°-6°
  3. Monday
    Jul 6
    Overcast
    91°70°
  4. Tuesday
    Jul 7
    Overcast
    90°73°-1°
  5. Wednesday
    Jul 8
    Overcast
    92°73°+2°
  6. Thursday
    Jul 9
    Clear
    94°74°+2°
  7. Friday
    Jul 10
    Clear
    95°72°+1°
Marathon, TX
Anemometer · 24h winds · from true
NESW
From · True
SW
216° · veering 24°
Direction
SW
216°
Sustained
7
mph
Gust
12
mph
Peak 24h
25
avg 6
Beaufort · 2 · LIGHT BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 6 · pk 25 @ 11:00p
0102030MPHB1B2B3B4B5B6B7-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 294SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 24° from the sw.
Marathon, TX
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
880.4
+3.3 mb in 3h · rising rapidly · 26.00 inHg
Now
880.4
mb
3h
+3.3
mb
12h
+0.6
mb
24h
-1.2
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 877883
870875880885890-21h-18h-15h-12h-9h-6h-3h-24hNOW882.7877.1880.4
−24h−18h−12h−6hnow
The low is filling — pressure climbing out of storm territory.
Marathon, TX
Air quality
45
AQI
Good
-6 in 6h

AQI 45 (Good), driven by Ozone. AQI down 6 over the last 6 hours (gradual decline). Ozone at AQI 34 now. With UV 5.5 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 25 around 1 PM.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5Good
6.0μg/m³
PM 10Good
9μg/m³
NO₂Good
1μg/m³
OzoneDRIVERModerate
71μg/m³
UV IndexModerate
3.9

What's driving it

Ozone × UV × Sky

Ozone at AQI 34 now. With UV 5.5 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 25 around 1 PM.

Present
AQI 34
UV peak
5.5 at 1 PM
Sky at peak
clear
Projected peak
AQI 25

PM × Wind × Precip

PM2.5 at 6.0 µg/m³ (AQI 33), ratio 0.67 with 7 mph wind — characteristic of long-range haze transport rather than a local source.

PM2.5/PM10
0.67
Wind
light
Recent rain
0h in last 6h
Pattern
transport
Marathon, TX
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
74.0mi
UNLIMITED
147 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
15:04 UTC · Marathon, TX · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
15:04 UTC · Marathon, TX · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Marathon, TX
Satellite · infrared · animated
Marathon, TX
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Marathon, TX
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
6:29 AM
Sunrise
1:56 AM
Daylight
14h 02m
Sunset
3:58 PM
Civil dusk
9:27 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Marathon, TX
The moon
Waning Gibbous
81% illuminated
Moonrise
11:37 PM
Moonset
11:10 AM
In sign
♓︎ Pisces
Marathon, TX
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

bird
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Marathon at a glance

  • Today vs. normal: 81°F — typical for the season
  • Last frost: February 16 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 79842

16-Day Forecast — Marathon

  1. Sat97°69°18%
  2. Sun91°68°6%
  3. Mon91°70°3%
  4. Tue90°73°2%
  5. Wed92°73°2%
  6. Thu94°74°7%
  7. Fri95°72°8%
  8. Sat94°73°18%
  9. Sun90°72°21%
  10. Mon90°74°16%
  11. Tue92°74°10%
  12. Wed96°74°3%
  13. Thu101°76°3%
  14. Fri89°74°3%
  15. Sat90°71°7%
  16. Sun88°67°11%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Peak growing season

As of July 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.

SPC Convective Outlook

Storm Prediction Center — Marathon

SPC includes Marathon in the general thunderstorm area today — no severe risk, but storms are possible.

  • TODAYTSTMGeneral Thunderstorms
  • TOMORROWTSTMGeneral Thunderstorms
  • DAY 3TSTMGeneral Thunderstorms

Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.

Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.

ZIP codes in Marathon

  • 79842

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.