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

Marfa, Texas Weather

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

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

Marfa, TX
Saturday, July 4 at 10:12 AM
80
°
Clear
Feels like
80°
Humidity
47%
Wind
5 mph
Sunrise
1:59 AM
Sunset
4:01 PM
Marfa, TX
Hour by hour · 24h
24-Hour ForecastMarfa, TX: 24-hour forecast. Temperatures range from 65 to 97 degrees Fahrenheit.
L 65°H 97°
Marfa, TX
7-day forecast
  1. Today
    Jul 4
    Heavy Drizzle
    14%
    0.05″
    97°63°
  2. Sunday
    Jul 5
    Overcast
    10%
    92°65°-5°
  3. Monday
    Jul 6
    Overcast
    90°68°-2°
  4. Tuesday
    Jul 7
    Overcast
    90°73°
  5. Wednesday
    Jul 8
    Overcast
    92°72°+2°
  6. Thursday
    Jul 9
    Clear
    93°73°+1°
  7. Friday
    Jul 10
    Mostly Clear
    23%
    96°74°+3°
Marfa, TX
Anemometer · 24h winds · from true
NESW
From · True
SSW
208° · veering 14°
Direction
SSW
208°
Sustained
5
mph
Gust
11
mph
Peak 24h
21
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 21 @ 5:00p
010203040MPHB1B2B3B4B5B6B7B8-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 365SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 14° from the ssw.
Marfa, TX
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
861.8
+4.3 mb in 3h · rising rapidly · 25.45 inHg
Now
861.8
mb
3h
+4.3
mb
12h
+1.9
mb
24h
-1.4
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 857864
850855860865870-21h-18h-15h-12h-9h-6h-3h-24hNOW864.2857.1861.8
−24h−18h−12h−6hnow
The low is filling — pressure climbing out of storm territory.
Marfa, TX
Air quality
54
AQI
Moderate
+2 in 6h

AQI 54 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 16.5 µg/m³ (AQI 65) with a 0.66 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.

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

PM 2.5DRIVERModerate
16.5μg/m³
PM 10Good
25μg/m³
NO₂Good
1μg/m³
OzoneModerate
77μg/m³
UV IndexModerate
3.8

What's driving it

Ozone × UV × Sky

Ozone at AQI 36 now. With UV 5.4 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 26 around 1 PM.

Present
AQI 36
UV peak
5.4 at 1 PM
Sky at peak
clear
Projected peak
AQI 26

PM × Wind × Precip

PM2.5 at 16.5 µg/m³ (AQI 65) with a 0.66 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.66
Wind
light
Recent rain
0h in last 6h
Pattern
stagnant smoke
Marfa, TX
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
80.7mi
UNLIMITED
115 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
15:12 UTC · Marfa, 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
15:12 UTC · Marfa, TX · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Marfa, TX
Satellite · infrared · animated
Marfa, TX
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Marfa, TX
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
6:32 AM
Sunrise
1:59 AM
Daylight
14h 02m
Sunset
4:01 PM
Civil dusk
9:30 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Marfa, TX
The moon
Waning Gibbous
81% illuminated
Moonrise
11:40 PM
Moonset
11:14 AM
In sign
♓︎ Pisces
Marfa, TX
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

bird
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Marfa at a glance

  • Today vs. normal: 80°F — typical for the season
  • Last frost: February 17 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 79843

16-Day Forecast — Marfa

  1. Sat97°63°14%
  2. Sun92°65°10%
  3. Mon90°68°4%
  4. Tue90°73°5%
  5. Wed92°72°4%
  6. Thu93°73°8%
  7. Fri96°74°23%
  8. Sat95°75°22%
  9. Sun89°71°21%
  10. Mon89°71°23%
  11. Tue92°71°9%
  12. Wed95°71°10%
  13. Thu99°72°6%
  14. Fri86°72°3%
  15. Sat91°71°10%
  16. Sun84°65°16%

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 — Marfa

SPC includes Marfa 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 Marfa

  • 79843

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.