Weather in San Antonio — today
Now in San Antonio
🌙
+20°
Mostly clear
Feels like +21° · humidity 86%
Today 27.10: +23° / +18°
🕐 03:25
Wind
11 km/h
UV index
0
Air (AQI)
25 · Good
Precipitation
13%
Humidity
86%
Pressure
1019 hPa
Sunrise / sunset
07:43 / 18:51
👕 What to wear today
Comfortable — a T-shirt, a light sweater for the evening.
💨 Windy
Weather for an activity:
Detailed weather information for San Antonio
Today, 27 October, Tuesday, in San Antonio (United States): cloudy, light rain in places, moderately warm. During the day the air will warm up to +23°, at night around +18°. Wind up to 26 km/h. No precipitation expected, you won't need an umbrella. A T-shirt is comfortable during the day, but take a light sweater or windbreaker for the evening. The sun will rise at 07:43 and set at 18:51 — daylight lasts 11 hours.Hourly weather in San Antonio
💧 The bars at the bottom show the hourly precipitation probability. Shaded areas of the chart are the dark hours (before sunrise 🌅 and after sunset 🌇).
Weather in San Antonio for 14 days
Tap a day to expand it by time of day and open the full forecast. The bar shows the range from the night low (left) to the day high (right).
▶
Today 27.10
🌦️
💧 13%
+18° +23°
Morning
☀️
+18°
Day
🌦️
+23°
Evening
🌇
+22°
Night
🌙
+18°
▶
Tomorrow 28.10
🌦️
💧 10%
+13° +18°
Morning
☁️
+20°
Day
🌦️
+18°
Evening
🌇
+24°
Night
🌙
+13°
▶
Thu 29.10
🌦️
💧 15%
+10° +14°
Morning
🌦️
+11°
Day
🌦️
+14°
Evening
🌇
+13°
Night
🌙
+10°
▶
Fri 30.10
⛅
💧 20%
+10° +22°
Morning
⛅
+14°
Day
⛅
+22°
Evening
🌇
+19°
Night
🌙
+10°
▶
Sat 31.10
🌤️
💧 24%
+13° +26°
Morning
🌤️
+18°
Day
🌤️
+26°
Evening
🌇
+23°
Night
🌙
+13°
▶
Sun 1.11
☁️
💧 23%
+18° +27°
Morning
☁️
+21°
Day
☁️
+27°
Evening
🌇
+25°
Night
🌙
+18°
🗺️ Precipitation radar
Precipitation radar (RainViewer) over a clean base map — updates every 5–10 minutes. Colours show nearby precipitation; if there is none, the map is simply clear — that is normal. Zoom with + / −.
Rain intensity:lightmoderateheavy
🎯 What to do in this weather — indices of the day
Comfort score from 0 (bad) to 100 (excellent), calculated from the day's weather. For “rain” and “UV” a percentage/risk level is shown.
🏃 Running
61 / 100
comfort for running · Average
🧴 UV
0%
moderate · low
☂️ Rain
13%
unlikely · low
✨ Stars
79 / 100
evening visibility · Good
🧺 Laundry drying
45 / 100
will dry outside · Average
🚗 Car wash
79 / 100
no rain expected · Good
🌫️ Air quality
25
Good air
European AQI
PM2.5: 7PM10: 10O₃: 67NO₂: 5
The air is clean — you can walk and exercise outside.
🌅 Sun, moon and sea
Sunrise
07:43
Sunset
18:51
Golden hour
18:18
Daylight
11 h (-2 min vs yesterday)
San Antonio climate by month
Long-term averages. Hover over a bar for details. The forecast for a specific month is a combination of the climate normal and the model forecast for the coming weeks.
+17°
+7°
Jan
+19°
+9°
Feb
+23°
+12°
Mar
+27°
+16°
Apr
+30°
+20°
May
+33°
+23°
Jun
+34°
+24°
Jul
+35°
+25°
Aug
+32°
+22°
Sep
+27°
+17°
Oct
+21°
+12°
Nov
+18°
+8°
Dec
swipe sideways →
Bar color shows temperature:frostcoolcomfortablewarmhot— best months to visit
| Month | Day | Night | Precipitation | What to pack and what makes the month notable (events, nuances) |
|---|---|---|---|---|
| January | +17° | +7° | 57 mm | Cool: around +17° by day, you'll need a warm layer. 🙂 a sweater for the evening. This is the coldest month of the year. |
| February | +19° | +9° | 60 mm | Ideal weather: +19° daytime — neither hot nor cold. 🙂 a sweater for the evening. |
| March | +23° | +12° | 80 mm | The most pleasant season: +23° by day, comfortable all day long. One of the wettest months (80 mm): downpours can derail plans. 🙂 a sweater for the evening. Weather-wise, one of the three best months to visit. |
| April | +27° | +16° | 80 mm | Warm and comfortable: +27° by day, +16° at night. It's a rainy month (80 mm) — an umbrella is a must. 😊 light summer clothing. Weather-wise, one of the three best months to visit. |
| May | +30° | +20° | 111 mm | Gentle warmth — about +30° daytime, great walking weather. Frequent rain (111 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Statistically the wettest month of the year. |
| June | +33° | +23° | 72 mm | A hot, dry month: +33° daytime, warm pleasant evenings. One of the wettest months (72 mm): downpours can derail plans. ☀️ water and sunscreen. The longest daylight hours of the year — more time for everything. |
| July | +34° | +24° | 54 mm | Hot (+34° by day) but dry — manageable with a sensible schedule. ☀️ water and sunscreen. |
| August | +35° | +25° | 50 mm | Up to +35° by day — hot, yet not muggy; mornings and evenings are pleasant. ☀️ water and sunscreen. This is the hottest month of the year in San Antonio. |
| September | +32° | +22° | 84 mm | A comfortable month: +32° by day without exhausting heat. One of the wettest months (84 mm): downpours can derail plans. 😊 light summer clothing. |
| October | +27° | +17° | 84 mm | Warm and comfortable: +27° by day, +17° at night. It's a rainy month (84 mm) — an umbrella is a must. 😊 light summer clothing. Weather-wise, one of the three best months to visit. |
| November | +21° | +12° | 68 mm | Ideal weather: +21° daytime — neither hot nor cold. Frequent rain (68 mm over the month) — keep indoor backup plans. 🙂 a sweater for the evening. |
| December | +18° | +8° | 63 mm | Cool weather: +18° by day, noticeably colder in the evening. One of the wettest months (63 mm): downpours can derail plans. 🙂 a sweater for the evening. The shortest daylight of the year — it gets dark early. |
When to visit San Antonio
✅ Recommended time to visit
🌟 Best time: March, April, October
Daytime air+23…+27°
Precipitationoften
Why: comfortable +23…+27° by day, little rain.
⚠️ Doable, with caveats
🌤️ Shoulder season: February, June, July, August, September, November
Daytime air+19…+35°
Precipitationoften
Why: noticeable rain risk (50–84 mm/month) — pack an umbrella and backup plans.
🔴 Not the best time
🌤️ Shoulder season: January, May, December
Daytime air+17…+30°
Precipitationoften
Why: the rainy season (57–111 mm/month) — downpours almost daily.
Bottom line: the best time to visit San Antonio is March, April, October, and the most comfortable months are March, April, October. The toughest months to visit are January, May, December: frequent rain.
🌡️ Today vs the climate normal
Today's high
+23°
Normal for October
+27°
Deviation
4° colder than normal
A year ago on this day
+30°
Record for this date
+34° (1995)
The normal, “a year ago” and the record come from the weather archive since 1940 (Open-Meteo / ERA5).
Weather archive for San Antonio
📅 See what the weather was like on any day since 1940. For example: “what was the weather on March 2, 2021”.
Show the archive for the selected day →
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Weather in cities near San Antonio
Frequently asked questions about the weather in San Antonio
What is the weather in San Antonio right now?＋
Mostly clear, +20°, feels like +21°.
Will it rain in San Antonio today?＋
Yes: 13% chance, 2 mm.
When is the best time to visit San Antonio?＋
Best time to visit — March, April, October.
What time are sunrise and sunset in San Antonio?＋
Sunrise 07:43, sunset 18:51.
Does it snow in San Antonio in winter?＋
No, it practically never snows.
What is the climate in San Antonio by month?＋
Summers up to +35° in August, winters around +7° in January; the wettest month is May.
How hot is it in San Antonio in summer?＋
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.