Water temperature in San Antonio today
This is a climate-model estimate, not a measurement: we have no measured water temperature for rivers, lakes and reservoirs yet. Real measurements are available for seas only.
Bite in San Antonio today — good 🎣
Pressure is steady, water +14° — most active: salmon and cod. Forecast by fish species and for the week ahead.
Bite forecast →
Water bodies in San Antonio 🌊
Map of water bodies in San Antonio
Water temperature in San Antonio for a month
There is no exact monthly water forecast — the reference is the climate normal: in summer the water warms to about +10°. The monthly normal is below.
Monthly water temperature in San Antonio 🗓️
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| +16 | +16 | +13 | +12 | +10 | +10 | +9 | +10 | +12 | +13 | +15 | +15 |
Climate normal (model estimate).
Water temperature archive in San Antonio on this day
| Year | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
|---|---|---|---|---|---|---|---|---|---|---|
| Water | +19° | +18° | +17° | +18° | +18° | +19° | +19° | +18° | +17° | +17° |
Climate normal (model estimate for this date), not a measurement archive.
Where else to swim nearby 🏝️
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FAQ about water in San Antonio ❓
What is the water temperature in San Antonio now?
Now +17° — Cool for swimming.
When is the water in San Antonio warmest?
Warmest in January — up to +16°.
What bodies of water are there in San Antonio?
Pacific Ocean.
Water temperature in San Antonio — in detail
A summary page of water temperature across all bodies of water in San Antonio: Pacific Ocean. Now about +17°. For seas the temperature is measured SST; for rivers and lakes it is a climate estimate.