temperatures.com

San Antonio, TX Hourly Forecast

Texas, United States 🇺🇸
95°
Sunny Feels like 89°
Updated 7 min ago

San Antonio temperature trend - Next 24 hours

95° 7 PM 7 PM - 95°F (35°C), Sunny 8 PM - 90°F (32°C), Clear 9 PM - 86°F (30°C), Clear 83° 10 PM 10 PM - 83°F (28°C), Clear 11 PM - 81°F (27°C), Clear 12 AM - 79°F (26°C), Clear, 6% precip 78° 1 AM 1 AM - 78°F (25°C), Clear, 8% precip 2 AM - 77°F (25°C), Clear, 9% precip 3 AM - 76°F (24°C), Clear, 10% precip 76° 4 AM 4 AM - 76°F (24°C), Clear, 11% precip 5 AM - 75°F (24°C), Clear, 11% precip 6 AM - 75°F (24°C), Clear, 12% precip 75° 7 AM 7 AM - 75°F (24°C), Clear, 12% precip 8 AM - 75°F (24°C), Sunny, 11% precip 9 AM - 78°F (26°C), Sunny, 8% precip 82° 10 AM 10 AM - 82°F (28°C), Sunny 11 AM - 86°F (30°C), Sunny 12 PM - 90°F (32°C), Sunny 93° 1 PM 1 PM - 93°F (34°C), Sunny 2 PM - 96°F (36°C), Sunny 3 PM - 98°F (37°C), Partly Cloudy 99° 4 PM 4 PM - 99°F (37°C), Overcast, 8% precip 5 PM - 97°F (36°C), Overcast, 9% precip 6 PM - 93°F (34°C), Overcast, 8% precip

The next 24 hours at a glance

  • Warmest hour: 4 PM - around 99°
  • Coolest hour: 6 AM - around 75°
  • Rain risk: low all day (peaks at 12%)
  • UV peak: 2 PM at index 9 - sun protection recommended
  • Windiest: 9 PM at 18 mph

San Antonio hourly weather - Tuesday, September 15

In San Antonio, expect a high near 95°F (35°C) around 7 PM and a low of 81°F (27°C) near 11 PM, with no meaningful precipitation risk.

TimeConditionsTemp FeelsRainWind HumidityUV
7 PM Sunny 95° 89° 0% 15 mph SE 27% 0
8 PM Clear 90° 83° 1% 17 mph SE 35% 0
9 PM Clear 86° 86° 1% 18 mph SE 43% 0
10 PM Clear 83° 85° 2% 16 mph SE 54% 0
11 PM Clear 81° 83° 4% 14 mph SSE 64% 0

San Antonio hourly weather - Wednesday, September 16

In San Antonio, expect a high near 99°F (37°C) around 4 PM and a low of 75°F (24°C) near 6 AM, with no meaningful precipitation risk.

TimeConditionsTemp FeelsRainWind HumidityUV
12 AM Clear 79° 80° 6% 12 mph SSE 71% 0
1 AM Clear 78° 80° 8% 9 mph SSE 77% 0
2 AM Clear 77° 81° 9% 6 mph SSE 80% 0
3 AM Clear 76° 81° 10% 5 mph SSE 83% 0
4 AM Clear 76° 81° 11% 5 mph SSE 84% 0
5 AM Clear 75° 81° 11% 4 mph SSE 86% 0
6 AM Clear 75° 81° 12% 4 mph SE 88% 0
7 AM Clear 75° 81° 12% 4 mph SE 88% 0
8 AM Sunny 75° 82° 11% 3 mph SSE 86% 0
9 AM Sunny 78° 83° 8% 5 mph SSE 77% 1
10 AM Sunny 82° 86° 4% 7 mph SE 64% 2
11 AM Sunny 86° 89° 2% 8 mph SE 53% 5
12 PM Sunny 90° 92° 1% 8 mph SE 45% 7
1 PM Sunny 93° 94° 1% 8 mph SE 38% 9
2 PM Sunny 96° 96° 1% 8 mph SE 33% 9
3 PM Partly Cloudy 98° 97° 2% 8 mph SE 29% 8
4 PM Overcast 99° 98° 8% 8 mph ESE 27% 5
5 PM Overcast 97° 93° 9% 13 mph SE 29% 2
6 PM Overcast 93° 90° 8% 13 mph SSE 35% 0
7 PM Partly Cloudy 91° 93° 4% 14 mph SSE 41% 0
8 PM Partly Cloudy 89° 90° 5% 12 mph SE 44% 0
9 PM Partly Cloudy 86° 88° 5% 15 mph SE 50% 0
10 PM Partly Cloudy 84° 86° 7% 13 mph SE 56% 0
11 PM Clear 82° 85° 4% 11 mph SE 60% 0

San Antonio hourly weather - Thursday, September 17

In San Antonio, expect a high near 91°F (33°C) around 5 PM and a low of 77°F (25°C) near 7 AM; precipitation risk peaks at 24% around 5 AM.

TimeConditionsTemp FeelsRainWind HumidityUV
12 AM Clear 81° 84° 5% 9 mph SE 65% 0
1 AM Cloudy 80° 82° 13% 7 mph SE 70% 0
2 AM Cloudy 78° 82° 15% 6 mph SE 75% 0
3 AM Overcast 78° 82° 22% 4 mph ESE 78% 0
4 AM Overcast 78° 83° 23% 4 mph E 80% 0
5 AM Overcast 77° 82° 24% 5 mph E 81% 0
6 AM Overcast 77° 82° 24% 5 mph E 82% 0
7 AM Overcast 77° 82° 24% 5 mph E 82% 0
8 AM Overcast 77° 82° 24% 6 mph ENE 81% 0
9 AM Overcast 79° 82° 20% 7 mph ENE 75% 1
10 AM Overcast 81° 85° 17% 7 mph E 69% 2
11 AM Patchy rain nearby 84° 88° 15% 7 mph E 63% 4
12 PM Patchy rain nearby 88° 92° 13% 8 mph E 55% 7
1 PM Overcast 91° 95° 11% 8 mph E 47% 8
2 PM Patchy rain nearby 91° 94° 13% 10 mph E 45% 5
3 PM Overcast 90° 92° 11% 12 mph ENE 46% 3
4 PM Overcast 89° 92° 11% 11 mph E 47% 2
5 PM Overcast 91° 93° 10% 10 mph E 43% 1
6 PM Overcast 91° 93° 10% 11 mph ESE 44% 1
7 PM Patchy rain nearby 89° 92° 11% 10 mph ESE 46% 0
8 PM Patchy rain nearby 85° 89° 14% 15 mph ESE 57% 0
9 PM Patchy rain nearby 84° 87° 16% 12 mph ESE 62% 0
10 PM Patchy rain nearby 83° 87° 17% 12 mph ESE 64% 0
11 PM Patchy rain nearby 82° 85° 18% 12 mph ESE 68% 0

Quick answers for the hours ahead

What is the warmest hour in San Antonio today?
4 PM is forecast to be the warmest, at about 99°F (37°C) with overcast.
Will it rain in San Antonio tonight?
Unlikely - the evening precipitation chance stays at or below 8%.
When is the UV index highest in San Antonio today?
Around 2 PM, when it reaches 9. From UV 3 upward, sun protection is recommended.

San Antonio hour-by-hour: what to expect

Over the next 24 hours in San Antonio, temperatures range from 75°F (24°C) around 6 AM up to 99°F (37°C) near 4 PM - about 8°F (4°C) above the typical September high of 91°F (33°C).

Precipitation chances stay minimal throughout, so plans can skip the umbrella. Wind picks up to 18 mph (28 km/h) from the SE near 9 PM. UV reaches 9 (2 PM) - sun protection recommended through midday.

The “feels like” column blends humidity and wind into an apparent temperature - see how it works in our feels-like temperature guide. Planning further ahead? Check the San Antonio 14-day forecast or the monthly climate averages.

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