MCDONALD OBSERVATORY, TX 79734 Weather Forecast & Current Conditions

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MARFA, TX
Current Weather

5:01 PM CDT APR 4, 2026
Few Clouds
63°F
Feels Like: 60°F
Dewpoint: 37°F
Rel. Hum.: 38%
Visibility: 10 miles
Wind: NNE at 26 mph, gusts to 31
Pressure: 30.25 inches
Last 72 hours

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MCDONALD OBSERVATORY, TX 79734
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly cloudy. A chance of showers after midnight. Breezy with lows in the lower 40s. East winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 30 percent.
SUNDAY
Mostly cloudy. A chance of rain showers in the morning, then rain showers likely with a slight chance of thunderstorms in the afternoon. Breezy with highs in the lower 50s. East winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 60 percent.
SUNDAY NIGHT
Mostly cloudy with a 50 percent chance of rain showers. Lows in the upper 30s. East winds 10 to 20 mph with gusts up to 35 mph.
MONDAY
Mostly cloudy. Highs around 60. East winds 10 to 15 mph.
MONDAY NIGHT
Mostly cloudy. A slight chance of showers after midnight. Lows in the lower 40s. Southeast winds 10 to 15 mph. Chance of rain 20 percent.
TUESDAY
Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 50 percent.
TUESDAY NIGHT
Mostly clear. Lows in the mid 40s.
WEDNESDAY
Sunny. Not as cool with highs in the upper 70s.
WEDNESDAY NIGHT
Partly cloudy in the evening, then mostly cloudy with a slight chance of showers after midnight. Lows in the lower 50s. Chance of rain 20 percent.
THURSDAY
Partly cloudy. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 40 percent.
THURSDAY NIGHT
Partly cloudy. A slight chance of showers in the evening. Lows in the lower 50s. Chance of rain 20 percent.
FRIDAY
Mostly sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 40 percent.
FRIDAY NIGHT
Partly cloudy. A chance of showers, mainly in the evening. Lows around 50. Chance of rain 40 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  7:00 AM EST  4/ 4/2026
Saturday
4 APR 2026
MCDONALD OBSERVATORY, TX 79734 weather forecast Day 1, 12 hours 12 PM 58° 53° Partly Cloudy 5%

0% Thunder
( 0% severe)
NE   26 53% 41°
High 62° MCDONALD OBSERVATORY, TX 79734 weather forecast Day 1, 15 hours 3 PM 61° 57° Partly Cloudy NE   25 42% 38°
Mostly Cloudy




Windy
MCDONALD OBSERVATORY, TX 79734 weather forecast Day 1, 18 hours 6 PM 58° 54° Mostly Cloudy 8%

0% Thunder
( 1% severe)
NE   21 44% 36°
MCDONALD OBSERVATORY, TX 79734 weather forecast Day 1, 21 hours 9 PM 52° 46° Mostly Cloudy ENE   20 44% 31°
Sunday
5 APR 2026
MCDONALD OBSERVATORY, TX 79734 weather forecast Day 2, 0 hours 12 AM 48° 42° Mostly Cloudy 33%
RAIN
<.01 in
0% Thunder
( 5% severe)
NE   14 47% 29°
Low 40° MCDONALD OBSERVATORY, TX 79734 weather forecast Day 2, 3 hours 3 AM 45° 39° Mostly Cloudy ENE   13 51% 28°
High 56° MCDONALD OBSERVATORY, TX 79734 weather forecast Day 2, 6 hours 6 AM 44° 38° Mostly Cloudy 52%
RAIN
.1–.25 in
0% Thunder
( 9% severe)
ENE   13 53% 28°

Mostly Cloudy

Rain Likely


Breezy
MCDONALD OBSERVATORY, TX 79734 weather forecast Day 2, 9 hours 9 AM 49° 43° Mostly Cloudy ENE   18 48% 30°
MCDONALD OBSERVATORY, TX 79734 weather forecast Day 2, 12 hours 12 PM 53° 48° Mostly Cloudy 68%
RAIN
>2 in
0% Thunder
( 21% severe)
E   20 41% 30°
MCDONALD OBSERVATORY, TX 79734 weather forecast Day 2, 15 hours 3 PM 52° 46° Mostly Cloudy E   18 46% 32°
MCDONALD OBSERVATORY, TX 79734 weather forecast Day 2, 18 hours 6 PM 50° 44° Mostly Cloudy 38%
RAIN
.1–.25 in
0% Thunder
( 8% severe)
ENE   16 52% 33°
MCDONALD OBSERVATORY, TX 79734 weather forecast Day 2, 21 hours 9 PM 45° 39° Mostly Cloudy E   14 63% 33°
Monday
6 APR 2026
MCDONALD OBSERVATORY, TX 79734 weather forecast Day 3, 0 hours 12 AM 43° 37° Mostly Cloudy 26%
RAIN
.01–.1 in
0% Thunder
( 2% severe)
E   10 62% 31°
Low 37° MCDONALD OBSERVATORY, TX 79734 weather forecast Day 3, 3 hours 3 AM 40° 35° Mostly Cloudy E   8 70% 31°
High 63° MCDONALD OBSERVATORY, TX 79734 weather forecast Day 3, 6 hours 6 AM 40° 35° Mostly Cloudy 11%
RAIN
<.01 in
0% Thunder
( 0% severe)
ENE   7 73% 32°

Mostly Cloudy



MCDONALD OBSERVATORY, TX 79734 weather forecast Day 3, 9 hours 9 AM 47° 43° Mostly Cloudy E   8 63% 35°
MCDONALD OBSERVATORY, TX 79734 weather forecast Day 3, 15 hours 12 PM 56° 54° Mostly Cloudy 7%

0% Thunder
( 3% severe)
ESE   9 47% 36°
MCDONALD OBSERVATORY, TX 79734 weather forecast Day 3, 18 hours 3 PM 61° 60° Mostly Cloudy ESE   10 41% 37°
MCDONALD OBSERVATORY, TX 79734 weather forecast Day 3, 21 hours 6 PM 61° 60° Mostly Cloudy     SE   10 41% 37°

MARFA, TX extended weather forecast

Tuesday
7 APR 2026
Wednesday
8 APR 2026
Thursday
9 APR 2026
Friday
10 APR 2026
Saturday
11 APR 2026
Low 41° Low 39° Low 48° Low 46° Low 44°
High 70° High 79° High 82° High 81° High 81°
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 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Overcast
27% Rain
Partly Cloudy
12% Rain
Partly Cloudy
11% Rain
Partly Cloudy
9% Rain
Partly Cloudy
13% Rain
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