LOCKHART, TX 78644 Weather Forecast & Current Conditions

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78644 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
SAN MARCOS, TX Current Weather
3:56 AM CDT MAY 18, 2025
Broken Clouds 77°F
Feels Like:	78°F
Dewpoint:	77°F
Rel. Hum.:	100%
Visibility:	10 miles
Wind:	SE at 8 mph
Pressure:	29.80 inches
Last 72 hours
Local Area Snow Depth
Texas Current Weather
Texas MOS Forecast Weather

Weather Map

(Automated weather data from NWS/FAA)

78644 WEATHER FORECAST
10-Day model forecast maps 2024 Hurricanes	LOCKHART, TX 78644 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TODAY
Hazy this morning. Mostly cloudy. Highs in the mid 90s. South winds 15 to 20 mph with gusts up to 30 mph.

TONIGHT
Mostly cloudy. Lows in the mid 70s. South winds 15 to 20 mph with gusts up to 30 mph.

MONDAY
Mostly cloudy in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. South winds 15 to 20 mph with gusts up to 30 mph. Highest heat index readings up to 105.

MONDAY NIGHT
Partly cloudy. Isolated showers and thunderstorms in the evening. Lows in the lower 70s. South winds 10 to 15 mph with gusts up to 25 mph.

TUESDAY
Partly cloudy. Isolated showers and thunderstorms in the afternoon. Highs in the upper 90s. Southwest winds 5 to 10 mph, becoming northwest in the afternoon.

TUESDAY NIGHT THROUGH THURSDAY NIGHT
Partly cloudy. Lows in the upper 60s. Highs in the mid 90s.

FRIDAY
Partly cloudy in the morning, then clearing. Highs in the mid 90s.

FRIDAY NIGHT AND SATURDAY
Partly cloudy. Lows in the upper 60s. Highs in the upper 90s.

78644 WEATHER SATELLITE LOOPS

Visible Weather Satellite
LOCKHART, TX 78644

Infrared Weather Satellite
LOCKHART, TX 78644

78644 WEATHER RADAR LOOP

NEXRAD Weather Radar
LOCKHART, TX 78644

MOS COMPUTER WEATHER FORECAST

SAN MARCOS, TX 3 hourly weather forecast

weather forecast created 8:00 PM EDT 5/17/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Sunday
18 MAY 2025

1 AM

77°

78°

Mostly Cloudy

4%

0% Thunder
( 19% severe)

SSE 10

90%

74°

Low 74°

4 AM

76°

75°

Mostly Cloudy

SSE 10

97%

75°

High 96°

7 AM

75°

75°

Mostly Cloudy

11%
RAIN
<.01 in

0% Thunder
( 19% severe)

SSE 10

100%

75°

Mostly Cloudy

10 AM

82°

89°

Mostly Cloudy

S 15

82%

76°

1 PM

91°

100°

Mostly Cloudy

5%

0% Thunder
( 17% severe)

S 18

56%

73°

4 PM

95°

102°

Mostly Cloudy

S 20

45%

70°

7 PM

90°

95°

Mostly Cloudy

4%

0% Thunder
( 15% severe)

SSE 20

50%

69°

10 PM

81°

85°

Mostly Cloudy

SSE 17

72%

71°

Monday
19 MAY 2025

1 AM

76°

76°

Mostly Cloudy

6%

0% Thunder
( 17% severe)

S 15

94%

74°

Low 75°

4 AM

76°

75°

Mostly Cloudy

S 14

97%

75°

High 97°

7 AM

76°

76°

Mostly Cloudy

2%

0% Thunder
( 22% severe)

S 13

94%

74°

Mostly Cloudy

Breezy

10 AM

83°

90°

Mostly Cloudy

S 17

77%

75°

1 PM

91°

100°

Mostly Cloudy

17%
RAIN
<.01 in

0% Thunder
( 24% severe)

S 21

56%

73°

4 PM

95°

104°

Partly Cloudy

S 20

48%

72°

7 PM

92°

100°

Partly Cloudy

11%
RAIN
<.01 in

0% Thunder
( 17% severe)

S 17

52%

72°

10 PM

82°

87°

Partly Cloudy

SSE 15

74%

73°


SAN MARCOS, TX extended weather forecast
Tuesday 20 MAY 2025	Wednesday 21 MAY 2025	Thursday 22 MAY 2025	Friday 23 MAY 2025	Saturday 24 MAY 2025
Low 70°	Low 63°	Low 67°	Low 65°	Low 69°
High 97°	High 94°	High 89°	High 88°	High 93°

Partly Cloudy 14% Rain	Partly Cloudy 7% Rain	Overcast 37% Rain	Partly Cloudy 34% Rain	Partly Cloudy 14% Rain

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