Hickey Run at National Arboretum at Washington, Dc water temperature
Hickey Run at National Arboretum at Washington, Dc · River
The current water temperature at Hickey Run at National Arboretum at Washington is 22.8 °C (as of September 20, 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 166 data points since July 22, 2026.
Lowest recorded value: 20.9 °C on September 8, 2026 · highest value: 26.4 °C on August 13, 2026.
In September, temperatures have ranged between 20.9 °C and 25.5 °C.
The current value is 1.0 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Hickey Run at National Arboretum at Washington right now?
The current water temperature is 22.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Hickey Run at National Arboretum at Washington?
Currently 22.8 °C (updated continuously).
How warm is at Hickey Run at National Arboretum at Washington in September?
In September, the water temperature recently averaged 23.8 °C.
When is the water warmest at Hickey Run at National Arboretum at Washington?
Across the measurement record, July is on average the warmest month (25.3 °C).
