MCDONALD OBSERVATORY, TX 79734 Weather Forecast & Current Conditions

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MARFA, TX
Current Weather

10:01 AM CDT JUN 19, 2026
Clear
75°F
Feels Like: 75°F
Dewpoint: 55°F
Rel. Hum.: 50%
Visibility: 10 miles
Wind: NE at 7 mph
Pressure: 30.12 inches
Last 72 hours

Local Area Snow Depth

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MCDONALD OBSERVATORY, TX 79734
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Partly cloudy. Scattered showers and thunderstorms this afternoon. Highs in the mid 80s. North winds 5 to 10 mph. Chance of rain 50 percent.
TONIGHT
Partly cloudy. Lows in the lower 60s. Northeast winds 10 to 15 mph.
SATURDAY
Sunny. Isolated showers and thunderstorms in the afternoon. Highs in the upper 80s. Southeast winds 10 to 15 mph. Chance of rain 20 percent.
SATURDAY NIGHT
Mostly clear. Lows in the mid 60s. East winds 10 to 15 mph, becoming southeast after midnight.
SUNDAY
Sunny. Highs in the mid 90s. West winds 10 to 15 mph, becoming northwest in the afternoon.
SUNDAY NIGHT
Mostly clear. Lows in the upper 60s.
MONDAY
Sunny. Highs in the mid 90s.
MONDAY NIGHT
Mostly clear. Lows in the upper 60s.
TUESDAY
Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent.
TUESDAY NIGHT
Partly cloudy. Lows in the mid 60s.
WEDNESDAY
Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent.
WEDNESDAY NIGHT
Partly cloudy. Lows in the mid 60s.
THURSDAY
Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 20 percent.

Visible Weather Satellite
MCDONALD OBSERVATORY, TX 79734
Infrared Weather Satellite
MCDONALD OBSERVATORY, TX 79734
NEXRAD Weather Radar
MCDONALD OBSERVATORY, TX 79734

MARFA, TX 3 hourly weather forecast

weather forecast created  8:00 PM EDT  6/18/2026
Friday
19 JUN 2026
MCDONALD OBSERVATORY, TX 79734 weather forecast Day 1, 0 hours 1 AM 73° 73° Mostly Cloudy 15%
RAIN
<.01 in
0% Thunder
( 25% severe)
WNW   9 51% 54°
Low 64° MCDONALD OBSERVATORY, TX 79734 weather forecast Day 1, 3 hours 4 AM 68° 68° Mostly Cloudy NNW   9 61% 54°
High 91° MCDONALD OBSERVATORY, TX 79734 weather forecast Day 1, 6 hours 7 AM 65° 65° Mostly Cloudy 11%
RAIN
<.01 in
0% Thunder
( 11% severe)
N   6 70% 55°

Mostly Cloudy

Rain Likely

MCDONALD OBSERVATORY, TX 79734 weather forecast Day 1, 9 hours 10 AM 79° 80° Partly Cloudy N   3 49% 58°
MCDONALD OBSERVATORY, TX 79734 weather forecast Day 1, 12 hours 1 PM 87° 86° Partly Cloudy 56%
RAIN
***
0% Thunder
( 67% severe)
E   6 36% 57°
MCDONALD OBSERVATORY, TX 79734 weather forecast Day 1, 15 hours 4 PM 85° 84° Mostly Cloudy N   7 36% 55°
MCDONALD OBSERVATORY, TX 79734 weather forecast Day 1, 18 hours 7 PM 84° 83° Partly Cloudy 17%
RAIN
.25–.5 in
0% Thunder
( 34% severe)
E   9 38% 56°
MCDONALD OBSERVATORY, TX 79734 weather forecast Day 1, 21 hours 10 PM 76° 78° Partly Cloudy E   7 56% 59°
Saturday
20 JUN 2026
MCDONALD OBSERVATORY, TX 79734 weather forecast Day 2, 0 hours 1 AM 70° 70° Partly Cloudy 2%

0% Thunder
( 9% severe)
SSE   5 73% 61°
Low 60° MCDONALD OBSERVATORY, TX 79734 weather forecast Day 2, 3 hours 4 AM 66° 66° Partly Cloudy   CALM 78% 59°
High 94° MCDONALD OBSERVATORY, TX 79734 weather forecast Day 2, 6 hours 7 AM 64° 66° Partly Cloudy 0%

0% Thunder
( 5% severe)
  CALM 81% 58°

Partly Cloudy



MCDONALD OBSERVATORY, TX 79734 weather forecast Day 2, 9 hours 10 AM 79° 80° Clear SSW   2 52% 60°
MCDONALD OBSERVATORY, TX 79734 weather forecast Day 2, 12 hours 1 PM 89° 87° Clear 12%
RAIN
<.01 in
0% Thunder
( 47% severe)
SSW   3 32% 55°
MCDONALD OBSERVATORY, TX 79734 weather forecast Day 2, 15 hours 4 PM 91° 88° Partly Cloudy NE   6 26% 51°
MCDONALD OBSERVATORY, TX 79734 weather forecast Day 2, 18 hours 7 PM 90° 87° Partly Cloudy 3%

0% Thunder
( 24% severe)
ENE   7 27% 52°
MCDONALD OBSERVATORY, TX 79734 weather forecast Day 2, 21 hours 10 PM 79° 80° Partly Cloudy ESE   12 47% 57°

MARFA, TX extended weather forecast

Sunday
21 JUN 2026
Monday
22 JUN 2026
Tuesday
23 JUN 2026
Wednesday
24 JUN 2026
Thursday
25 JUN 2026
Low 59° Low 60° Low 63° Low 61° Low 59°
High 97° High 99° High 91° High 91° High 96°
MCDONALD OBSERVATORY, TX 79734 weather forecast Day 3 MCDONALD OBSERVATORY, TX 79734 weather forecast Day 4 MCDONALD OBSERVATORY, TX 79734 weather forecast Day 5 MCDONALD OBSERVATORY, TX 79734 weather forecast Day 6 MCDONALD OBSERVATORY, TX 79734 weather forecast Day 7
Clear
1% Rain
Clear
5% Rain
Clear
19% Rain
Partly Cloudy
17% Rain
Clear
16% Rain
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