Current Conditions
San Marcos, Texas
Wind
S 9 mph14 km/h
Humidity
87%
Cloud Cover
93%
As of Tuesday, October 13, 2026 at 7:54 AM CDT
Today's Outlook
Day
Mostly cloudy and hot, with a high of 90°F32°C and morning low of 78°F26°C — feels like 97°F36°C. Breezy from the S at 11 to 12 mph17 to 20 km/h. 43% chance of drizzle around midday. Heat risk in the afternoon.
Night
Partly cloudy, with a low around 78°F26°C. Breezy from the SSE at 10 to 11 mph17 to 18 km/h.
7-Day Forecast
| Day | Condition | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| Drizzle | High 90°F32°CFeels 97°F36°C | Low 78°F26°C | Precip 0.02 in0.5 mm43% | Cloud 61% | Wind SSE 10 mph17 km/h | Tuesday: Mostly cloudy and hot, with a high of 90°F32°C and morning low of 78°F26°C — feels like 97°F36°C. Breezy from the S at 11 to 12 mph17 to 20 km/h. 43% chance of drizzle around midday. Heat risk in the afternoon. Tuesday Night: Partly cloudy, with a low around 78°F26°C. Breezy from the SSE at 10 to 11 mph17 to 18 km/h. | |
| Showers | High 88°F31°CFeels 96°F36°C | Low 78°F25°C | Precip 0.09 in2.4 mm81% | Cloud 50% | Wind SSE 10 mph16 km/h | Wednesday: Mostly cloudy and hot, with a high of 88°F31°C and morning low of 78°F25°C — feels like 97°F36°C. Breezy from the SSE at 10 to 11 mph15 to 18 km/h. 81% chance of showers around midday. Heat risk in the afternoon. Wednesday Night: Partly cloudy, with a low around 78°F26°C. Breezy from the SSE at 10 to 11 mph16 to 18 km/h. 60% chance of showers in the evening. | |
| Clear | High 85°F30°CFeels 88°F31°C | Low 71°F22°C | Precip 0 in0.1 mm2% | Cloud 38% | Wind SE 7 mph11 km/h | Thursday: Partly cloudy and warm, with a high of 85°F30°C and morning low of 71°F22°C. Breezy from the SSE at 6 to 7 mph10 to 11 km/h. Humid. Thursday Night: Partly cloudy, with a low around 72°F22°C. Breezy from the SE at 7 to 10 mph12 to 16 km/h. | |
| Showers | High 74°F23°C | Low 61°F16°C | Precip 0.06 in1.5 mm57% | Cloud 59% | Wind N 15 mph24 km/h | Friday: Mostly cloudy and mild, with a high of 68°F20°C. Windy from the N at 17 to 19 mph28 to 30 km/h. 57% chance of showers in the morning. Dry air. Friday Night: Partly cloudy, with a low around 61°F16°C. Windy from the N at 12 to 16 mph19 to 25 km/h. 45% chance of drizzle before dawn. | |
| Clear | High 64°F18°C | Low 51°F11°C | Precip 0 in0 mm— | Cloud 24% | Wind NNE 11 mph17 km/h | Saturday: Mostly clear and mild, with a high of 64°F18°C and morning low of 51°F11°C. Breezy from the NNE at 11 to 13 mph18 to 20 km/h. Dry air. Saturday Night: Partly cloudy, with a low around 52°F11°C. Breezy from the NNE at 11 to 15 mph17 to 24 km/h. | |
| Clear | High 68°F20°C | Low 46°F8°CFeels 43°F6°C | Precip 0 in0 mm— | Cloud 15% | Wind NE 6 mph9 km/h | Sunday: Mostly clear and mild, with a high of 68°F20°C and morning low of 46°F8°C. Light wind from the NE around 5 mph8 km/h. Dry air. Sunday Night: Mostly clear, with a low around 47°F8°C. Light wind from the ENE around 6 mph10 km/h. | |
| Clear | High 72°F22°C | Low 53°F12°C | Precip 0.02 in0.4 mm8% | Cloud 36% | Wind ESE 5 mph8 km/h | Monday: Partly cloudy and warm, with a high of 72°F22°C and morning low of 53°F12°C. Light wind from the ESE around 4 mph7 km/h. Dry air. Monday Night: Partly cloudy, with a low around 54°F12°C. Light wind from the SE around 6 mph9 km/h. |
15-Day Forecast
| Day | High | Low | Precip | Cloud Cover | Condition | Wind | |
|---|---|---|---|---|---|---|---|
| TuesdayOct 13 | 90°F32°C Feels 97°F36°C | 78°F26°C | 0.02 in0.5 mm· 43% | 61% | Drizzle | SSE 10 mph17 km/h | |
DayMostly cloudy and hot, with a high of 90°F32°C and morning low of 78°F26°C — feels like 97°F36°C. Breezy from the S at 11 to 12 mph17 to 20 km/h. 43% chance of drizzle around midday. Heat risk in the afternoon. NightPartly cloudy, with a low around 78°F26°C. Breezy from the SSE at 10 to 11 mph17 to 18 km/h. | |||||||
| WednesdayOct 14 | 88°F31°C Feels 96°F36°C | 78°F25°C | 0.09 in2.4 mm· 81% | 50% | Showers | SSE 10 mph16 km/h | |
DayMostly cloudy and hot, with a high of 88°F31°C and morning low of 78°F25°C — feels like 97°F36°C. Breezy from the SSE at 10 to 11 mph15 to 18 km/h. 81% chance of showers around midday. Heat risk in the afternoon. NightPartly cloudy, with a low around 78°F26°C. Breezy from the SSE at 10 to 11 mph16 to 18 km/h. 60% chance of showers in the evening. | |||||||
| ThursdayOct 15 | 85°F30°C Feels 88°F31°C | 71°F22°C | 0 in0.1 mm· 2% | 38% | Clear | SE 7 mph11 km/h | |
DayPartly cloudy and warm, with a high of 85°F30°C and morning low of 71°F22°C. Breezy from the SSE at 6 to 7 mph10 to 11 km/h. Humid. NightPartly cloudy, with a low around 72°F22°C. Breezy from the SE at 7 to 10 mph12 to 16 km/h. | |||||||
| FridayOct 16 | 74°F23°C | 61°F16°C | 0.06 in1.5 mm· 57% | 59% | Showers | N 15 mph24 km/h | |
DayMostly cloudy and mild, with a high of 68°F20°C. Windy from the N at 17 to 19 mph28 to 30 km/h. 57% chance of showers in the morning. Dry air. NightPartly cloudy, with a low around 61°F16°C. Windy from the N at 12 to 16 mph19 to 25 km/h. 45% chance of drizzle before dawn. | |||||||
| SaturdayOct 17 | 64°F18°C | 51°F11°C | 0 in0 mm· — | 24% | Clear | NNE 11 mph17 km/h | |
DayMostly clear and mild, with a high of 64°F18°C and morning low of 51°F11°C. Breezy from the NNE at 11 to 13 mph18 to 20 km/h. Dry air. NightPartly cloudy, with a low around 52°F11°C. Breezy from the NNE at 11 to 15 mph17 to 24 km/h. | |||||||
| SundayOct 18 | 68°F20°C | 46°F8°C Feels 43°F6°C | 0 in0 mm· — | 15% | Clear | NE 6 mph9 km/h | |
DayMostly clear and mild, with a high of 68°F20°C and morning low of 46°F8°C. Light wind from the NE around 5 mph8 km/h. Dry air. NightMostly clear, with a low around 47°F8°C. Light wind from the ENE around 6 mph10 km/h. | |||||||
| MondayOct 19 | 72°F22°C | 53°F12°C | 0.02 in0.4 mm· 8% | 36% | Clear | ESE 5 mph8 km/h | |
DayPartly cloudy and warm, with a high of 72°F22°C and morning low of 53°F12°C. Light wind from the ESE around 4 mph7 km/h. Dry air. NightPartly cloudy, with a low around 54°F12°C. Light wind from the SE around 6 mph9 km/h. | |||||||
| TuesdayOct 20 | 76°F24°C | 61°F16°C | 0.1 in2.6 mm· 36% | 55% | Showers | ESE 6 mph10 km/h | |
DayMostly cloudy and warm, with a high of 76°F24°C and morning low of 61°F16°C. Light wind from the ESE around 6 mph10 km/h. 36% chance of showers in the morning. NightPartly cloudy, with a low around 61°F16°C. Breezy from the ESE at 6 to 7 mph10 to 12 km/h. 31% chance of showers overnight. | |||||||
| WednesdayOct 21 | 80°F27°C | 67°F20°C | 0.09 in2.4 mm· 43% | 65% | Showers | SE 8 mph12 km/h | |
DayMostly cloudy and warm, with a high of 80°F27°C and morning low of 67°F20°C. Breezy from the SE at 8 mph12 km/h. 43% chance of light rain in the morning. Humid. NightMostly cloudy, with a low around 68°F20°C. Breezy from the SE at 8 mph12 km/h. 26% chance of showers overnight. | |||||||
| ThursdayOct 22 | 81°F27°C | 69°F21°C | 0.14 in3.6 mm· 48% | 70% | Light Rain | SE 8 mph13 km/h | |
DayMostly cloudy and warm, with a high of 81°F27°C and morning low of 69°F21°C. Breezy from the SE at 8 to 9 mph13 to 14 km/h. 48% chance of light rain in the morning. Humid. NightMostly cloudy, with a low around 70°F21°C. Breezy from the SE at 8 to 9 mph13 to 14 km/h. 23% chance of showers overnight. | |||||||
| FridayOct 23 | 79°F26°C | 69°F21°C | 0.2 in5 mm· 51% | 74% | Light Rain | SE 8 mph13 km/h | |
DayMostly cloudy and warm, with a high of 79°F26°C and morning low of 69°F21°C. Breezy from the SSE at 8 to 9 mph13 to 14 km/h. 51% chance of light rain in the morning. Humid. NightMostly cloudy, with a low around 70°F21°C. Breezy from the SE at 8 to 9 mph13 to 15 km/h. 33% chance of showers overnight. | |||||||
| SaturdayOct 24 | 78°F25°C | 68°F20°C | 0.21 in5.3 mm· 36% | 72% | Light Rain | SE 7 mph11 km/h | |
DayMostly cloudy and warm, with a high of 78°F25°C and morning low of 68°F20°C. Breezy from the SE at 7 mph11 km/h. 36% chance of light rain in the morning. NightMostly cloudy, with a low around 68°F20°C. Breezy from the SE at 7 to 8 mph12 to 13 km/h. 29% chance of showers overnight. | |||||||
| SundayOct 25 | 75°F24°C | 66°F19°C | 0.25 in6.4 mm· 33% | 70% | Showers | ENE 7 mph11 km/h | |
DayMostly cloudy and warm, with a high of 75°F24°C and morning low of 66°F19°C. Breezy from the NE at 7 mph11 km/h. 33% chance of light rain in the morning. NightMostly cloudy, with a low around 66°F19°C. Breezy from the E at 7 to 8 mph11 to 12 km/h. 30% chance of showers overnight. | |||||||
| MondayOct 26 | 74°F24°C | 64°F18°C | 0.16 in4.1 mm· 23% | 63% | Showers | NNE 7 mph11 km/h | |
DayMostly cloudy and warm, with a high of 74°F24°C and morning low of 64°F18°C. Breezy from the NNE at 7 mph11 km/h. 23% chance of showers in the morning. NightMostly cloudy, with a low around 64°F18°C. Breezy from the NE at 7 mph11 km/h. 20% chance of showers overnight. | |||||||
| TuesdayOct 27 | 73°F23°C | 62°F16°C | 0.13 in3.3 mm· 25% | 63% | Showers | ENE 7 mph11 km/h | |
DayMostly cloudy and warm, with a high of 73°F23°C and morning low of 62°F16°C. Breezy from the NE at 7 to 8 mph12 to 12 km/h. 25% chance of drizzle in the morning. NightMostly cloudy, with a low around 62°F17°C. Breezy from the ENE at 7 mph11 km/h. 19% chance of showers overnight. | |||||||
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Coordinates: 29.8833°N, 97.9414°W·Elevation: 188m·Timezone: America/Chicago·Population: 60,684