W Fork San Jacinto River water temperature
W Fork San Jacinto River, Humble, Texas · River
The current water temperature at W Fork San Jacinto River is 30.5 °C (as of September 21, 2026, source: USGS).
A river can change temperature within hours — snowmelt, rain or power-plant operations show up immediately. That is why the measured value counts here, not an estimate.
Measurement series & statistics
This measurement series includes 264 data points since July 23, 2026.
Lowest recorded value: 27.1 °C on August 29, 2026 · highest value: 34.6 °C on August 21, 2026.
In September, temperatures have ranged between 28.0 °C and 32.2 °C.
The current value is 0.3 °C above the September average of this series.
Nearby waters
More measuring points: W Fork San Jacinto River
Frequently asked questions
Can you swim at W Fork San Jacinto River right now?
The current water temperature is 30.5 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at W Fork San Jacinto River?
Currently 30.5 °C (updated continuously).
How warm is at W Fork San Jacinto River in September?
In September, the water temperature recently averaged 30.2 °C.
When is the water warmest at W Fork San Jacinto River?
Across the measurement record, August is on average the warmest month (32.0 °C).
